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1. 4 Connect a probe to channel 1 such as 020 2924 00 the P2221 with the MSO DPO2000 or DPO DEMO 2 the P6139A with the MSO DPO3000 or SS ee MSO DPO4000 Then connect the ground Lie en ee lead of the probe to a point labeled GND dot CLILO 4 977 ss pus on the Demo 2 board Attach the probe b Bg aeii ae i tip to the square pin on the Demo 2 board TE LUS RARE_ANOM labeled CNT CLK Fal a rane NOTE CNT CLK is a clock used for a JL ee AU S irae y Fa SET FREQ ANOM GND RARE_ANOM Fd Color J901 Op 2347 002 CNT CLK Demo 2 Board Instruction Manual 6 Push Autoset Goose to give a usable display of the signal of Getting Started with the MSO DPO2000 MSO DPO3000 and MSO DP04000 Series Oscilloscopes Autoset automatically adjusts the interest You should now see several 1785010 5 Push Default Setup to put the oscilloscope back to a known starting point In general Default this is a good thing to do any time you are starting a new task horizontal vertical and trigger parameters cycles of the clock signal 4 Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DP03000 and MSO DPO04000 Series Oscilloscopes Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DP04000 Series Oscilloscopes Demo Il Using Vertical Controls 1 Turn the front panel channe
2. Demo 2 Board Instruction Manual 13 Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DP04000 Series Oscilloscopes 4 Push Cursors two more times to turn them off Demo VII Taking Measurements 1 Push the front panel Measure button ie 2 Push the lower bezel Add Measurement button 14 Cursors O 1785 048 Measure Add Mea Remove Indicators y N Bring Configure surement Measure Cursors on Cursors ment More Screen Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DP03000 and MSO DPO04000 Series Oscilloscopes 3 Turn multipurpose knob a to select Frequency Frequency Push the side bezel OK Add Measurement button 4 Turn multipurpose knob a to select Period Period Push the side bezel OK Add Measurement button 5 Push Menu Off to the lower right of the display to remove the side menu 1785 057 6 Observe the measurement readout Std Dev requency 4 250MHz 45 44 Period 800 0ns 31 98 The readout indicates the frequency and period On the MSO DPO3000 and MSO DPO4000 it also shows the mean minimum maximum and standard deviation of the measurements Demo 2 Board Instruction Manual 15 Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DP04000 Series Oscilloscopes 7 Push the lower bezel Remove Measurement button 8 Push the side bezel Remove All ee A Measurements or Remove All button o 9 Push Menu Off to t
3. Giving Demos of Advanced Oscilloscope Features Demo IX Setting Up I2C Signals 1 Connect the ground lead of a probe to a point labeled GND on the Demo 2 board Connect the probe from channel 1 on the oscilloscope to the 12C CLK test point on the Demo 2 board 2 Connect the ground lead of a second probe to a point labeled GND on the Demo 2 board Connect the second probe from channel 2 on the oscilloscope to the 12C DATA test point on the Demo 2 board 26 Or oe B gt C amp BERRRRABIS i a Go Ca SPI_SS GND st l J920 i _ C pac_ino OO oacin OO pac_ine OO lac_in OO c_n l OO bacins l IOO lacne O ac Inr l RS232 TX I2C_DATA 12C OO 2 ono O Frexrar_exste GND C O FLEXRAY_BM GND O CO FLEXRAY_BP O C 2NS_PULSE a Zz Aer a a os a om Le Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 3 Push the front panel Default Setup button er Default Setup 4 Turn the front panel Trigger Level knob to set the trigger level to approximately 2 V lt 8 f 2 00 V 5 Push the front panel channel 2 button to turn on channel 2 Demo 2 Board Instruction Manual 27 Giving Demos of Advanced Oscilloscope Feat
4. 114 Demo 2 Board Instruction Manual Locating Signals The SPI bus signals are set as follows SCLK is the rising edge latch E SS is active low E MOSI is active high This is the beginning of the mixed signal chain See the descriptions of these signals DAC Input Parallel and DAC Output Packets occur approximately every 5 ms The SPI packet contents are transferred to the Parallel DAC Input bus at the end of the packet The Parallel DAC Input bus then changes the voltage output of the DAC The resulting DAC output is a sine wave with an amplitude of 0 to 3 volts and a period of 310 ms The clock rate is a 100 kHz 0 to 5 volt signal system uC Port Expander DAC Parallel Out lt OUT SPI Bus SPI Bus 2525 002 Figure 2 Mixed signal chain block diagram Demo 2 Board Instruction Manual 115 Locating Signals 116 DAC Input Parallel Board label DAC_INO DAC_IN7 Connector grid location F1 F2 Description These are the 8 bit parallel output signals of the port expander in the middle of the mixed signal chain The sine wave data from the SPI bus is converted to 8 parallel bits to drive the DAC DAC INO is the LSB See Figure 2 See the previous SPI Bus description for packet details DAC Output Board label DAC OUT Connector grid location 12 Description This is the output of the DAC at the end of the mixed signal chain The DAC is driven from the port expander The DAC output is a sine wave Sin
5. 3 Push Default Setup Demo 2 Board Instruction Manual F ffEO_ANOM r G9 915 Giving Demos of MSO Features e 020 2924 00 ne _ m 1 am e m 7 am p arPb _ T F ma as b E la fi t N GND O O cnT_cLk GND RARE_ANOM JOTSY SINE 4 ro 2347 005 XTALK1 Default Setup 1785 032 105 Giving Demos of MSO Features 4 Push Acquire 5 Push the lower bezel menu Record Length Mode record Piat ae eng iz isplay Position button if not already active and the side bezel menu 1M points button 6 Push D15 D0 2121 211 106 Demo 2 Board Instruction Manual 7 Push Height to select L large 8 Push Autoset 9 Turn the Horizontal Scale knob to select 1 us as the time per division 10 Turn the channel 1 Vertical Position knob to position the analog channel 1 waveform near the middle of the top half of the graticule if it is not already there Demo 2 Board Instruction Manual 1887 013 Giving Demos of MSO Features 1785 010 107 Giving Demos of MSO Features 108 11 12 13 14 15 Push D15 D0 2121 211 Turn multipurpose knob b to position the digital channel waveform near the middle of the bottom half of the graticule Push Thresholds Confirm that D0 is selected If not turn multipurpose knob a to select it Turn multipurpose knob b to set the threshold
6. Confirm that the side menu Number of Data Bits button Is still set to 7 12 Push the side menu Define Bits button if not already active Confirm that the source type is set to Clock If not turn a to select it Turn multipurpose knob b to select D7 as the clock source 13 Push Menu Off to the lower right of the display to remove the side menu Demo 2 Board Instruction Manual Define Inputs Clocked Data No Clock Edge M S Number of Data Bits Define Bits b D7 1785 057 Giving Demos of MSO Features 97 Giving Demos of MSO Features 98 14 Take another acquisition by pressing the Single button Notice that the oscilloscope decodes the bus every time it sees a rising clock edge 15 Push the lower bezel Event Table button Push the side bezel Event Table button select On Notice that each data value in the table is displayed with its associated time stamp MSO oscilloscopes can export these values to a CSV file 16 Push Event Table to Off 17 Push Menu Off 1 900ps 1 800ps 1 700ps 1 600ps 1 500ps 1 400ps 1 300ps 1 200ps 1 100ps 1 000ps 900 m 1785 057 1785 061 Demo 2 Board Instruction Manual Giving Demos of MSO Features Demo XXI Triggering on Parallel Bus Data Values MSO2000 MSO3000 and MSO4000 Models The MSO04000 MSO3000 and MSO2000 can trigger on specific parallel bus data values 1 Push the front pane
7. This is a 156 kHz square wave signal and a delayed copy Use the nominal 350 ps delay to demonstrate the 60 6 ps timing resolution of the MSO4000 Random Burst Board label RNDM BURST Connector grid location C6 Demo 2 Board Instruction Manual Locating Signals Description This is the signal that produces Bursts of 100 ns wide logic pulses every 6 6 ms The pattern is a pseudorandom bit sequence that repeats every 128 bursts and has a 6 32 us duration Frequent Anomaly Board label FREQ_ANOM Connector grid location C6 F7 Description There are two frequently occurring anomalies in this pulse train A half height runt signal occurs approximately every 104 8 ms Use a Runt trigger to isolate the signal A 50 ns narrow pulse appears approximately every 104 8 ms Use a Pulse Width trigger to isolate the signal The pulse train is a repeating group of three pulses The three pulses are 100 ns 200 ns and 100 ns wide with a 100 ns low between The group repeats at a 1 6 us rate The anomaly is a group of four pulses The four pulses are 100 ns 50 ns narrow 100 ns runt and 100 ns wide with a 100 ns low between except for a 50 ns low before the runt Rare Anomaly Board label RARE_ANOM Connector grid location C5 D7 Demo 2 Board Instruction Manual 123 Locating Signals 124 Description There are two less frequent anomalies in this pulse train that can show up with DPO on DPO3000 MSO3000 DPO4000 and MSO4000
8. 11 Push the lower bezel Bus Display button Display HO pigh ipigigiigig ULU LL Bus and Waveforms 46 Demo 2 Board Instruction Manual 12 Select Binary from the side bezel menu to show that you can decode into either Hex or Binary Switch back to Hex as it is easier to view 13 Push the lower bezel Event Table button Demo 2 Board Instruction Manual Hex Giving Demos of Advanced Oscilloscope Features Binary 47 Giving Demos of Advanced Oscilloscope Features 14 Push the side bezel menu Event Table button nm a cgi a are to select On The event table ait Terre eee creer Ts i ar ee ee ee ee E S L E ls similar to a state listing window in a logic i analyzer display m Allows you to easily view the contents of every packet captured in the acquisition to trace system activity m Includes timestamps for each packet met nee This makes taking relative timing z sae a o measurements easy m Provides an easy way to view a lot of data on one screen m Allows you to save the list in a CSV format 15 Push the side bezel menu Event Table button Event Table to select Off On Gi 48 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 16 There is more to the Tektronix serial solution than just decoding and viewing bus waveforms There is also triggering and searching Push the front panel Trigger Menu button 1785042 Demo 2 Board Instruction Man
9. 2 ns Pulse Board label 2NS PULSE Connector grid location B4 Description This signal is a 2 ns to 3 ns 2 5 V pulse at a 3 3 ms repetition rate Use this signal to demonstrate the minimum pulse width capture specification of an instrument s digital acquisition system 2 ns Pulse Trigger Board label 2NS_TRIG Connector grid location B4 Description This is the trigger edge signal for the 2 ns pulse A falling edge on this signal occurs approximately 1 ns before the 2 ns pulse Demo 2 Board Instruction Manual Locating Signals Crosstalk 1 Crosstalk 2 Board label XTALK1 XTALK2 Connector grid location C6 Description These two signals have significant crosstalk between them Use them to demonstrate MagniVu Fast Edge Board label FAST_EDGE Connector grid location 13 Description This is a 156 kHz capacitively coupled square wave signal with a 3 ns rise and fall time Fast FF Clock Board label FAST _FF_CLK Connector grid location H5 Description This is the 1 25 MHz clock input signal to a fast flip flop Demo 2 Board Instruction Manual 119 Locating Signals Fast FF Data Board label FAST FF_D Connector grid location H6 Description This is the 1 25 MHz data input signal to a fast flip flop that is asynchronous to the clock input Fast FF Q Output Board label FAST_FF_Q Connector grid location H6 Description This is the Q output signal of the fast flip flop This signal shows metastable be
10. A NTS aed seeas aude Oran naasecearn merous E ome 79 Tour the MSO Front PANG 25 irnetcaceleaa on a ence tenectetacd ene dawiaeeade thea nsagesetatanteledteamsecned ankle 81 Demo XVII Setting up Digital Channels MSO2000 MSO3000 and MSO4000 Models cccc cece ee eee ees 82 Demo XVIII Discovering Per Channel Thresholds MSO4000 Only cccccceeeeee eset ee eeeeeeeeeeeseeeeeneeenaes 89 Demo XIX Labeling Channels MSO2000 MSO3000 and MSO4000 Models c cece ee eeee eee eeeee eee ene es 91 Demo Xx Exploring Parallel Buses MSO2000 MSO3000 and MSO4000 Models 00 cece cece ee eee eens 93 Demo XXI Triggering on Parallel Bus Data Values MSO2000 MSO3000 and MSO4000 Models 00005 99 Demo XXII Searching for Parallel Bus Data Values MSO2000 MSO3000 and MSO4000 Models 0 102 Demo XXIII Zooming in on White Edges MSO4000 Only 0 cece cece cece cece cette eee ee eee seats eeeae eee enaees 104 SVMPCUNIO IS OCs eces 65 tote nea cece See issn eee oct ea ws te A O phen aad chelate tanta tee Satna 111 OCAUNG SIGN AIS z2ta acta teeta ceased mae T ected ian cates Ral newer aire bans ueeuen A Sead N tnt ageges 112 ii Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DP03000 and MSO DPO04000 Series Oscilloscopes Getting Started with the MSO DPO2000 MSO DP03000 and MSO DPO4000 Series Oscilloscopes These instructions quickly
11. Demo 2 Board Instruction Manual 19 Giving Demos of MSO Features 80 m MagniVu MSO4000 MS03000 MagniVu provides timing resolution down to 60 6 ps MSO4000 121 2 ps MSO3000 for 10 000 samples The maximum MagniVu sample rate is 16 5 GS s and the record length is 10 000 points centered on the trigger The main acquisition has a sample rate of 500 MS s and a record length of up to 10M points MagniVu is acquired every acquisition You can switch between the MagniVu record and the main record at any time running or stopped Per channel threshold settings MSO4000 The MSO4000 allows the user to set a unique logic threshold for each channel This supports customer designs with multiple logic families all on the same board Multiple buses The MSO4000 monitors up to four serial or parallel buses simultaneously The MSO2000 MS03000 monitors two buses simultaneously Setup Hold bus triggering The MSO models provide setup hold time violation triggering across an entire parallel bus including any or all of the 16 digital channels and the 4 analog ones You can trigger on all 20 analog and digital channels if you use Aux In as the clock Parallel bus triggering The MSO models add user defined logic triggering on a parallel bus You can assign all of the 4 analog and 16 digital channels to define a logic pattern Deep memory The MSO4000 provides 10 M record length on each of the analog and digital channels standard on all models The MSO30
12. Source Bus MRPEKOG Bus with multipurpose knob a B1 RS 232 amp Holdoff Push the lower bezel Trigger On button and use multipurpose knob a to select Tx Data Push the lower bezel Data button Then push the side bezel Data button Enter the Hex value 54 ASCII character T with multipurpose knobs a and b Notice that the side bezel menu displays the character T for you Push Menu Off e Push Single Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features The oscilloscope should now trigger on the letter T Hex 54 You should see the word Tektronix on the display l fli IE Tektronixe Demo 2 Board Instruction Manual i 1 I Ip i Bila i i re f 1 1 1 I E 69 Giving Demos of Advanced Oscilloscope Features Demo XVI FilterVu MSO DPO2000 This demo covers the FilterVu feature of the MSO2000 and DPO2000 FilterVu provides a variable low pass filter allowing you to take unwanted noise out of your signal while still capturing high frequency events such as narrow glitches It does this by showing two waveforms a foreground waveform that you can filter and a background glitch capture min max sampled waveform FilterVu s foreground filtered waveform m Reveals characteristics of your signal previously overshadowed by noise More precisely locates signal edges and amplitude levels increasing your confidence in cursor measurem
13. connected both probes to the correct pins on the Demo 2 board Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features Demo X Using the Wave Inspector s Zoom and Pan Functionality This section shows how to use the Wave Inspector s Zoom Pan knob to demonstrate zoom and pan functionality 1 Notice the Wave Inspector portion of the front panel This set of dedicated Search T controls makes navigating and analyzing waveforms easier Ce ex SD 1887 010 Demo 2 Board Instruction Manual 31 Giving Demos of Advanced Oscilloscope Features The pan zoom control consists of the following a ee F ep 2 An outer pan knob 3 An inner zoom knob 1887 014 4 Turn the zoom inner knob a few clicks clockwise The zoom feature should turn on You are seeing O m The entire acquisition in the top window m What you are Zooming in on within the gray top window brackets 1785 069 m The zoomed view in the bottom window 32 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 5 Zoom in and out to illustrate how the center knob works End in a spot where you are zoomed in on a single burst of clocks Notice that you do not have to turn a horizontal position control many times to move the zoom window to the beginning of the acquisition nor do you have to Zoom way back out so you could move the window quickly and then zoom back in when you a
14. guide you through basic controls and capabilities of the MSO DPO2000 MSO DPO3000 and MSO DPO4000 series oscilloscopes To learn about more advanced capabilities read the corresponding oscilloscope user manual NOTE The MSO4000 and DPO4000 series oscilloscopes described in this manual require firmware version 2 XX or higher To check the firmware version number push the Utility front panel button and view the Version If your oscilloscope uses firmware version 1 XX download new firmware and update your oscilloscope using procedures described in your oscilloscope user manual NOTE This manual is part of the Tektronix 020 2924 XX Demo 2 board kit The kit includes a Demo 2 board this manual and a USB cable Demo 2 Board Instruction Manual 1 Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DP04000 Series Oscilloscopes Demo l Acquiring a Signal 1 Connect the host side of the USB cable to the USB port on the lower left corner of the oscilloscope front panel or to either of the two USB host ports on the rear panel of some models Connect the other end of the cable to the device port on the Demo 2 board The POWER LED will light on the Demo 2 board Demo 2 Board Instruction Manual Getting Started with the MSO DP0O2000 MSO DP03000 and MSO DPO04000 Series Oscilloscopes
15. inewtcayasseeshewtmeaneanio 24 Wave Inspector BEINGS 2 canctncmaak eaters achiseseiuacnateGe seecheaeensenabeewentdeereeuansiaetossatunaasahomehadeldesoaness 20 Demo IX Setting Up I2C Signals ccccc ence ec ee cece eee eee e eee e ee ene Ee eee ee Ed E EE ESE ESSE EAS EE EEE SEES DEES ESSE EES 26 Demo X Using the Wave Inspector s Zoom and Pan Functionality cccccee cece eee cence eee eeee eee eneeeeennaees 31 Demo XI Using the Wave Inspector s Search Functionality cccccceeeeeeeeeeeeeseeeeseeeeeeeeeeseeeeenenenaes 37 Demo XII Using Serial Triggering and Analysis nnunnnnnnnennnnnenrrnnrnrrrrnrnrrrrrrrrrrrrrrrrrrrerrrrrrrrrrrre gt 42 Demo XIII Searching Serial SignalS ccccc cece ee enee eee nsec ee eens eee ene ee eee seeeeeageeeeeeeeseeesaneeteeganees 55 Demo XIV Monitoring and Decoding RS 232 Signals nnuennnnnnennnnurenrrnrrerrrrrrrrrrrrrrrrrrrerrrrrerrrrrre gt 59 Demo 2 Board Instruction Manual i Table of Contents Demo XV Triggering on a Serial Data Pattern e g RS 232 ccccccec cece ee eeseeeeeeee seats seneeeseeeeennerennes 67 DemoXv Filter ui MSOiDPO2Z000 ma aiae etic canada nak ald Wann awe dae ts ales May ead tua EE 70 Giving DEmos OriNis PeauleSucs tnr Nad date a Moe ea nea Sanat tale eae a a o duleloaiueutuce 79 Se OU Ger eet ele een OEE EE pharm den aaomtaueacadinneaan A a a echt teGnt REE EEEE 79 Pe ITONMAN CS 5 iipiccatcrtrea tne
16. notice that the oscilloscope highlights each left side channel marker in turn As you continue to turn knob a after the display highlights the D7 base line indicator and then the right side D7 D0 channel row the display highlights the upside down triangle located above the D7 indicator and it simultaneously highlights all the channel indicators immediately below the triangle With the triangle and adjacent channel markers highlighted turn multipurpose knob b A white outline moves on the left side of the display when you turn the knob The waveforms themselves move when you stop turning knob b Multipurpose 1785 039 Multipurpose Multipurpose 4887 022 Demo 2 Board Instruction Manual Giving Demos of MSO Features To move individual channels just turn multipurpose knob a to highlight the single desired channel and move that channel by turning knob b If the individual channel is no longer adjacent to the other channels it is no longer a member of their group To reconnect it to the group just move it adjacent to the other waveforms in the group Demo XVIII Discovering Per Channel Thresholds MSO4000 Only With the MSO4000 you can set a unique logic threshold for each digital channel This allows for defining different logic high and low voltage levels on different channels Other oscilloscopes including the MSO2000 MS0O3000 only allow one threshold for eight or more signals NOTE Start fro
17. push the front panel Save button By default the lower bezel Assign Save to button is set to Image Now whenever you push the front panel Save button a screen image with an automatically Save incremented filename is saved to the storage location you specified To change what is saved each time you Assign push the front panel Save button push the a lower bezel Assign Save to button and then push one of the side bezel buttons Screen Image Waveform Setup or Image Waveform and Setup Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features Giving Demos of Advanced Oscilloscope Features This section demonstrates a few features that set the Tektronix MSO DPO2000 MSO DPO3000 and MSO DP04000 series oscilloscopes apart from other oscilloscopes on the market Overall Package Large Display Oscilloscopes are visual tools and as such work well with large bright displays The MSO DPO4000 has a 10 4 inch XGA display the MSO DPO3000 has a 9 inch XGA and the MSO DPO2000 has a 7 inch WQVGA Knob per Channel Vertical Controls Many oscilloscopes multiplex the vertical controls so you have to select a channel before changing its vertical scale or position A separate adjustment knob for each channel makes the oscilloscope more efficient and intuitive USB Host Ports The front panel USB ports make it easy to transfer screen images oscilloscope setups and waveform data from the oscilloscope to your wor
18. 00 provides 5 M record length on each channel The MSO2000 provides 1 M record length on each channel Waveforms second The MSO4000 MSO3000 provides a 50 000 waveform second waveform capture rate on the analog channels The MSO2000 provides a 5 000 waveform capture rate A higher rate means less dead time and more probability of detecting waveform anomalies Demo 2 Board Instruction Manual Giving Demos of MSO Features The MSO models provide parallel bus support The DPO models do not provide parallel bus support All DPO4XXX application modules work with both MSO4000 and DPO4000 models All DPO3XXX application modules work with both MSO3000 and DPO3000 models All DPO2XXX application modules work with both MSOQ2000 and DPO2000 models Tour the MSO Front Panel D15 D0 button Display or remove digital channels from the display and access the digital channel setup menu Bus buttons Define and display up to four different serial and parallel buses at a time with the MSO4000 and two buses with the MSO2000 MSO03000 E Logic probe connector Plug the P6316 or P6516 digital probe with 16 digital connections into this front panel receptacle m Wave Inspector Extended to support Zooming panning and searching digital channels Demo 2 Board Instruction Manual 81 Giving Demos of MSO Features 82 The demo procedures in the sections that follow cover key points of the MSO Mixed Signal Oscilloscopes Demo XVII Setting up Digital Chann
19. 10 Using the multipurpose knob a on the gee ee ee ee ee ee ee a MSO DPO4000 or MSO DPO3000 or b on the nmk a EETNTAETENN CEEE MSO DPO2000 change the pulse width to around 2 us This is where you should begin seeing marks pr Hint To get to 2 us faster first push the a satis pone front panel Fine button if lit to turn off the pol Fine function Notice both the hollow white triangles placed in the graticule and the number of search events found shown in the lower left corner of the display Hollow triangles show search results and solid triangles show user placed marks Change the pulse width to 5 us to show that as you adjust the search criteria the search results update Then change it back down to 2 US 11 On the MSO DPO2000 push Menu Off to the right of the display to remove the side menu 1785 057 ees oof al ley 40 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 12 Jump from mark to mark using the front panel lt previous and next arrow buttons 1785 054 13 Turn the zoom inner knob if needed to zoom in to give you a good view of each pulse Ee that met the criteria For example try a zoom factor of 5kX on the MSO DPO4000 or 1kXon amp ePPao the MSO DPO2000 and MSO DPO3000 NOTE The oscilloscope displays the zoom value near the top of the display 1887 027 14 When you finish th
20. 5 Demo 2 Board Instruction Manual 37 Giving Demos of Advanced Oscilloscope Features 2 Push the lower bezel Search button Source Polarity Set mark Threshold Positive When 2 00 VI 3 Push the side bezel Search button to select Search On Off 4 Push the side bezel Clear All Marks button at You are removing the marks that you manually placed on the waveform 5 Push the lower bezel Search Type button ea and turn multipurpose knob a to select Pulse I Width from a list of choices Width Review all the search choices available and the flexible capability of the your oscilloscope 38 Demo 2 Board Instruction Manual 6 Push the lower bezel Source button and turn multipurpose knob a to select 2 from the list of channels on the screen 7 Confirm the polarity is positive The lower bezel Polarity button should include the word Positive below it If not push Polarity and then the side bezel Positive button 8 Push the bottom bezel Threshold button Then turn multipurpose knob a to set the threshold to approximately the midpoint of the channel 2 waveform e g 2 00 V 9 Push the lower bezel Set Mark When button If it is not already selected push the side bezel Pulse Width lt 8 00 ns button On the MSO DP0Q2000 use multipurpose knob b instead Demo 2 Board Instruction Manual Set Mark When Giving Demos of Advanced Oscilloscope Features 39 Giving Demos of Advanced Oscilloscope Features
21. Demo 2 Board Instruction Manual The low pass noise filter frequency is initially Noise Fil set to 200 MHz as shown on the side bezel pa menu a 200 MHz Glitch Cap ture Back ground On Off Back ground In tensity b30 11 Change the filter frequency by slowly turning Multipurpose a knob counter clockwise As you turn it towards the 2 2kHz limit at this horizontal scale setting you can see the change in the waveform The yellow foreground waveform now shows the true signal and has the noise filtered out With this setting the oscilloscope only passes through frequency content below 2 2 kHz It filters out the high frequency noise Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features TT Giving Demos of Advanced Oscilloscope Features When you change the filter setting the oscilloscope brightens the amber background trace and shows the random glitches that also occur on the trace along with the noise signature on the waveform The background trace contains the peak detect information including transients 12 Turn Multipurpose b clockwise Change the intensity of the background waveform from 5 to 100 using this control 13 Turn the background trace off completely by pressing the Glitch Capture background side bezel button 78 Demo 2 Board Instruction Manual Giving Demos of MSO Features Giving Demos of MSO Features The MSO2000 MSO3000 and MSO4000 Series
22. E oo ma om Rag RSSI Q ent_out_o z an 051 m O Olar oti S a F GRRR m m m O O ent_out_z y T peng 3 B mmm O Orrea aon o J C Olen oua F gz am om t C344 m oop on meg O O ruon surest 9 0 Olen oute LY A as OO wou ee Sp oo R49 UUW eS 6 S e arty RAOG RASA z O Ofar ors a Q C 350_ps_DELay_cLk OO 58 2 pa gS O OC cnt_out_ OO Ss BB Q ent_evk 2 Ww aN i _ a OO EFS w wo B H OO San MH203 OMH13 RESET pas s 7 O O I25_WS5 I125_5CK FREQ_ANOM GND RARE_ANOM o NOISY_SINE i L _ p Y L _ Cos CSG Ges O C s mien GSE 904 2347 014 Figure 1 Tektronix Demo 2 board and locator grid Demo 2 Board Instruction Manual 113 Locating Signals Noisy Sine Board label NOISY_SINE Connector grid location B7 Description The Noisy Sine signal is an audio frequency 1 25 kHz sine wave with power supply switching noise style spikes 156 kHz and very high frequency noise 20 MHz pseudorandom caused by a micro controller DSP system I2C Bus Board label I2C_CLK I2C_DATA Connector grid location A2 G1 Description These are the 12C Inter IC Communication bus signals between the uC and a serial EEPROM There are several different types of data packets The clock rate is a 100 kHz 0 to 5 volt signal SPI Bus Board label SPI_SCLK SPI_SS SPl_MOSI Connector grid location F1 G1 G2 H1 Description These are the SPI Serial Peripheral Interface serial bus signals See Figure 2
23. MSO DPO2000 MSO DPO3000 and MSO DPO04000 Series Oscilloscope Demo 2 Board Instruction Manual AMIDA TAU OAL U AT AA OTIT Tektronix 071 2347 01 y MSO DPO2000 MSO DP03000 and MSO DP04000 Series Oscilloscope Demo 2 Board Instruction Manual www tektronix com Tektronix 071 2347 01 Copyright Tektronix All rights reserved Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc FilterVu and Wave Inspector are trademarks of Tektronix Inc For safety information on your oscilloscope refer to its user manual Contacting Tektronix Tektronix Inc 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support n North America call 1 800 833 9200 Worldwide visit www tektronix com to find contacts in your area Table of Contents Table of Contents Getting Started with the MSO DP02000 MSO DPO3000 and MSO DPO4000 Series Oscilloscopes ccceeeeeee eee ees 1 Demo l Acquiring a SIGMA cx ctnsnacatacounnatae wes faeces eeweaws qn senee dramas coeur den
24. Mixed Signal Oscilloscopes capture and display multiple digital and analog signals Ease of Use m Wave Inspector extended to support digital channels The MSO models enhance the Wave Inspector to work with its digital channels The digital channels work with the zoom pan play pause search and user mark features m Familiar design The MSO models work like tools that engineers already know how to use They possess the look and feel of an oscilloscope and are simple to operate P6516 Digital Probe The MSO4000 works with the P6516 digital probe This probe has two eight channel pods The coax on the first channel of each pod is blue making it easy to identify The common ground uses an automotive style connector so that customers can easily create their own ground wires for connecting to their device under test When connecting to square pins the P6516 has an adapter that can be attached to the probe head extending the probe ground flush with the probe tip so that you can attach it to a header P6316 Digital Probe The MSO2000 MSO3000 works with the P6316 digital probe This probe has two eight channel pods m Next generation digital waveform display The MSO models are designed with color coded highs lows white edge multiple transition indication gray fuzzy edge uncertainty indicators and waveform grouping Performance 16 digital channels The MSO models add 16 digital channels to the 2 or 4 analog channels found in DPO models
25. P DPO3COMP or DPO4COMP application module before running this demo Demo 2 Board Instruction Manual 59 Giving Demos of Advanced Oscilloscope Features 1 Attach a probe to channel 1 Then attach it to the Demo 2 board s GND point and RS 232_TX signal DPODEMO2 Uma ole r AART N Jo oo I Ssa ae ca coc w ae oe on eS I on TE OO00000H CoO000000 8 Q Zo 00000000E OO0O000O00og Kat i ssSggg 2 FEE O Dy GND J924 hi 3 GND Ae O0000000 foC0000n fcco000d Q 2e OO000000dE oOoodcoods Bd00d0008 sW a sp eeogeees Seah are cet ed Tes j Eig Gla glasg eegzsgect as donee UART A RS232_TX IZC_DATA 12C_CLK nooy G9 5 C 9 lt SSDeos 2347 004 60 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features o i er Default Setup 3 Push Autoset 1785 010 4 Push Acquire 5 Push the lower bezel menu Record Length Mode peer poa al button if not already active and the side bezel T Position ee menu 1M points button Demo 2 Board Instruction Manual 61 Giving Demos of Advanced Oscilloscope Features 6 Turn the Horizontal Scale knob to select a time per division setting of 20 ms 7 Push B14 8 Push the lower bezel Bus button 62 a 1785 041 1887 013 Demo 2 Board Instruction Manual 9 Turn multipurpose knob a t
26. ce the output is not filtered the digitizing levels are obvious in the output waveform See Figure 2 The resulting DAC voltage is a sine wave with an amplitude 0 to 3 volts and a period of 310 ms I2S Inter IC Sound Bus Board label 12S SCK I2S_WS I2S_SD Connector grid location G2 G7 H7 I6 Demo 2 Board Instruction Manual Locating Signals Description This is an 12S Inter IC sound serial bus The clock rate is 2 5 MHz CAN Bus Board label CAN_H CAN_L Connector grid location B3 C1 D1 Description These are the CAN Controller Area Network bus signals between two CAN transceivers The bit rate of the data packet is 500 kbps LIN Bus Board label LIN Connector grid location B1 B4 Description This is the LIN Local Interconnect Network bus signal between two LIN transceivers The bus speed is 19 2 kbaud The signal contains a mix of version 1 x and 2 x frames RS232 UART Transmit Board label RS232_UART RS232_TX Demo 2 Board Instruction Manual 117 Locating Signals 118 Connector grid location A3 A5 B4 Description The UART signal is the logic level input to the RS 232 UART from the uC The transmit signal TX is the RS 232 voltage level serial bus signal The decoded data packets display the ASCII string Tektronix Enabling Innovation There are no matching receive or data flow control signals The baud rate is 9600 The data format is 1 start bit and 8 data bits with no parity
27. de bezel Write button Direction Read or Write 26 Push Single to make an acquisition 1785 061 52 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 27 Turn the zoom inner knob to a zoom factor of 100 1 000 if needed so that you can read the bus address values found 28 Turn the pan outer knob to move the zoom jj li H box the gray bars at the at the top of the screen to the trigger position icon the T on an orange background to reveal what you have triggered on E E Demo 2 Board Instruction Manual 53 Giving Demos of Advanced Oscilloscope Features The waveform found illustrates that you have triggered on what you specified NOTE The trigger occurs after all the bits that constitute the search value have gone by y 54 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features Demo XIll Searching Serial Signals This demo shows how to search on serial bus signals 1 Push the front panel Trigger Menu button if not already active Push the lower bezel Type button and turn multipurpose knob a to select Bdge Setting the trigger back to Edge helps 1786 042 return random data for the search exercises described below 2 Push Single to make an acquisition 1785 061 3 Push the front panel Search button 1785 055 Demo 2 Board Instruction Manual 55 Giving Demos of Advanced Oscilloscope Featu
28. dules installed The MSO DPO02000 s DPO2EMBD MSO DPO3000 s DPOS3EMBD and MSO DP04000 s DPO4EMBD modules support 12C 5 Push the lower bezel Define Inputs button 6 On the side menu confirm that the SCLK Input is set to channel 1 and that the SDA Input is set to channel 2 7 Push the lower bezel Thresholds button Define Thresholds Include B1 Label Bus Display Event Table Inputs R W in 12C address D Define Inputs SCLK Input SDA Input Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 8 Turn multipurpose knobs a and b to set the Soe i thresholds at about the midpoint of each laba waveform SDA 2 Threshold b 2 40 V 9 Push the front panel Menu Off button once to remove the side menu This extremely simple setup procedure steps 3 through 8 has just enabled you to define and decode a serial bus 1785 057 Demo 2 Board Instruction Manual 45 Giving Demos of Advanced Oscilloscope Features 10 Using the pan zoom controls zoom in on the different parts of the bus display Notice what the oscilloscope is showing m Start of packet as indicated by a green vertical bar m Address The yellow box shows the address R is read W is write m Data The blue box shows the Data content m Missing Ack as indicated by a red box with an exclamation point in it m Stop end of packet as indicated by a red vertical bar
29. e yest oandaentaceanarareece ameuete tees 2 Demo Il Using Vertical Controls tcc eeensnncsenacuua tenses eusensnegenct eed a tetesacntanenma tonne eeann aese ean ban aneeteneeene est 6 Demo lll Using Horizontal Controls sccnssasisarsnsstumaniraerepeneete piletewn tab eeriaaeneehnie ne eeeneniedaarearies 8 Demo IV Using Run Stop COMMONS 2cnataccecaccacestssaraceadndcagussuserecnaadereasecasiveee vorentonar eats sovecoabecuasarda 9 Demo V Using Trigger Controls 0 ccc cece cece eee n een EEE EEE EE DDE E EE EE EEE EEE ED EE EEE SDE E EE EE EEE EES 9 CMO Vi Using C UNG ONS conse cert crte oneness use ans Ner REOR A ERENS REEERE EEEE EENET 12 Demo Vik Taking WEASUPCMICNIS 2 01iececcnne dau acseuard slat wew needa end ataniednae es EEEN EN SNEER Ea reae A 14 Demo VIII Saving a Screen IMAGG cekivsceosacesevecovavsdodece caaovdeomeedleed ousbe es m tersmeregehiwesctsaeavede dd deeere 17 Giving Demos of Advanced Oscilloscope Features cc cece cece cece eee eee e eee eee e teen enna e nent etna este eee e nee e tenes 21 overall Pe ele racer AER EEE A Hannan tumnien tien endaentaaer earn aan ites 21 MSO DP04000 Series Performance cds ccsnenxcasnviaimmenmavtauabanane candy wars iepun Desde cus nee een va band elaasaneebee kee 22 MSO DPO3000 Series PemOnMAN CC inca ticnten catia psanatianeadniseaeronmiaeniemiets pr anani re ser Enosis stie 23 WiSOIDPO2Z000 Series Performance 2s uinanscabueriaundrasnatnewnionssnacweewdnaweddondsawiai tas
30. earch marks became filled in They are now saved You could run a new search while keeping the old search results marked Very powerful eee oe ey ett fe a li eit A ee irom I a att reat eld mE j i Pr ee l DEE d Save All Marks Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 14 Notice that Search and Trigger capabilities are very similar Triggering is used while running to obtain a stable display and to ensure that the event you are looking for is in the acquisition when you push the front panel Run Stop button Triggering does nothing for you after you have stopped acquiring though That is where search comes in Search allows you to find what you are looking for in a mass of data To make it easier for you to harness the power of both Triggering and Searching the MSO DPO02000 MSO DPO3000 and MSO DP04000 series link the two so you can quickly copy your search settings into the trigger engine usually to acquire new data centered around the event of interest or copy your trigger settings into the search engine typically to see if any other trigger events occurred in the acquisition Demo XIV Monitoring and Decoding RS 232 Signals All MSO DP02000 MSO DPO3000 and MSO DPO4000 series oscilloscopes can help you debug RS 232 circuits They can decode these serial bus transactions into hexadecimal binary and ASCII values NOTE Install the appropriate DPO2ZCOM
31. els MSO2000 MSO3000 and MSO4000 Models 1 Connect the appropriate Digital Probe from the oscilloscope front panel to the counter pins on the Demo 2 board For the MSO4000 connect each of the probe s digital group 1 channels DO to D6 to each of the Demo 2 board s count signals CNT OUT 0 to CNT OUT 6 Connect the probe s D7 channel to the board s CNT CLK D7 CNT CLK D6 CNT OUT 6 D5 CNT OUT 5 D4 CNT OUT 4 D3 CNT OUT 3 D2 CNT OUT 2 D1 CNT OUT 1 DO CNT OUT 0 020 2924 00 DPO DEMO 2 5 ooo 4 ure ARE_ANOM H e32 J916 GND OOOO OCI T a _ RARE_ANOM FREQ_ANOM RNDM_BURST A XTALKL 512 MHZ e O O CO XTALK2 O O 1 AA cN NOISY_SINE Hott OSE J904 _ e arm pikig ba iha T_CLK 2347 007 Demo 2 Board Instruction Manual Giving Demos of MSO Features For the MSO4000 and the P6516 digital probe remember to properly ground each probe pin using the flush mount adapter 1887 026 For the MSO2000 MSO03000 and the P6316 simply plug the 16 connector pod into the corresponding 16 pin array on the Demo 2 board Be sure to line up the eight ground pins on the pod with the corresponding row of eight ground pins on the board 2347 009 Demo 2 Board Instruction Manual 83 Giving Demos of MSO Featu
32. ents Blocks out high frequency components of your signal that could cause your oscilloscope to alias FilterVu s background glitch capture waveform shows signal attributes up to the full bandwidth of the oscilloscope enabling you to capture glitches as narrow as 5 ns 70 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 1 Attach a P2221 probe to channel 1 on the 020 2924 00 MSO DPO2000 oscilloscope Then attach the DPO DEMO 2 js probe to one of the GND points and to the eas or Noisy Sine signal on the Demo 2 board al ie wr 7 p on cen e J922 F R536 aaa es A _ C Ss_Putse x C ent_out_o ra OO IO Olat oti 3 l it CO RARE_ANOM O ent_out_2 Z 2 JO OC FREG_ANOM O ent_out_3 Se a sae 9 O O rnow_purst O O ent_out_4 C XTALK2 O ent_out_s O XTALK1 O CNt_ouT_6 O O 512 MHZ O O CNT_CLK F RARE_ANOM NOISY_SINE 2347 008 Demo 2 Board Instruction Manual T1 Giving Demos of Advanced Oscilloscope Features 2 Push Default Setup 2319007 3 Turn the Horizontal Scale to 10 mS div Horizontal Position 2347 014 72 Demo 2 Board Instruction Manual G iving Demos of Advanced Oscilloscope Features 4 Turn the vertical Scale knob to 500 mV div 5 Adjust the vertical Position knob to center the wavef
33. er On the MSO DPO2000 and MSO DPO3000 push the Level knob This will set the trigger level to the midpoint m EF ERR C e i Demo 2 Board Instruction Manual 11 Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DP04000 Series Oscilloscopes Demo VI Using Cursors 1 Push the front panel Cursors button Cursors Two vertical bar cursors now appear in C the graphic above the graticule The corresponding cursor readout displays the time of each cursor relative to the trigger and amplitude along with the deltas wer between the cursors 2 Using the multipurpose a and b knobs bring the cursors on screen Multipurpose a I Cursors Intensity z Multipurpose 6 lt I 1785 068 12 Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DP03000 and MSO DPO04000 Series Oscilloscopes Hint To move the cursors faster turn off fine mode by pushing the Fine button X if lit on the front panel between the two multipurpose knobs 3 Place one cursor at the midpoint of the gi b r r first falling edge Place the other cursor at Ses the midpoint of the second falling edge to measure the signal s period The cursor readout should show a difference between i i the cursors of approximately 800 ns Hint To move the cursors more slowly turn the fine mode back on by pushing the Fine button if unlit on the front panel between the two multipurpose knobs
34. es 2 Push the lower bezel Edit Labels menu D15 D0 Thresholds Edit Labels MagniVu Height button On Off On Gi s iL 3 Use the keyboard to add labels for channels DO through D6 Call them Count 0 Count 1 Count 2 Count 3 Count 4 Count 5 and Count 6 Use the keyboard s Enter key or the side menu s down arrow key to select the next channel to label Alternatively you can add a label by pressing Select Preset Label then turning multipurpose knob b to select a preset label from a list and pressing the side menu Insert Preset Label button Try this out by adding the preset label CLOCK to D7 92 Demo 2 Board Instruction Manual Giving Demos of MSO Features 4 When done push Menu Off and admire your list of labels on the screen Demo XX Exploring Parallel Buses MSO2000 MS03000 and MSO4000 Models All MS04000 MSO3000 and MSO2000 series oscilloscopes are designed to efficiently analyze parallel buses such as those used in embedded circuits The MSO s bus triggering and searching capabilities all support parallel bus analysis 1785 041 Demo 2 Board Instruction Manual 93 Giving Demos of MSO Features 94 Confirm that the selected bus is defined as Parallel If not push the lower bezel Bus button and turn multipurpose knob a to select Parallel Select Define Inputs from the lower bezel menu Push the side bezel Number of Data Bits button and enter the number of bits as 7 by tu
35. gnal that is enabled by the SINGLE SHOT push button grid location 14 FlexRay Board label FLEXRAY_BP FLEXRAY_BM FLEXRAY_TX RX Demo 2 Board Instruction Manual 125 Locating Signals 126 Connector grid location C4 C5 Description These FlexRay signals consist of the following test points m FlexRay_BP the positive half of a differential FlexRay bus m FlexRay_BM the negative half of a differential FlexRay bus m FlexRay_Tx Rx the single ended logic signal between the controller and the transceiver The data rate is at 10 Mb s The swing is 0 to 3 3 V Tri state is at 1 65 V BP and BM only There are 15 individual 198 bit long frames Reset Button Board label RESET Grid location E7 Description Press the RESET button to start RS 232 signals from a common start point Single Shot Button Board label SINGLE SHOT Grid location 14 Description Push the SINGLE SHOT button to initiate a 200 ns pulse and to enable the 512 MHz signal The Demo 2 board provides one pulse per button push Demo 2 Board Instruction Manual
36. have found something in the waveform that you are interested in mark it for further reference To do this push the Set Clear button on the front panel to place a mark m Notice the solid white triangle that appears on the display Later you will see why the triangles are solid m This triangle is like a bookmark on the waveform Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 1785 054 35 Giving Demos of Advanced Oscilloscope Features 9 Use the pan outer knob to quickly move to a few other interesting points in the waveform and place marks on them 10 Use the front panel lt previous and next arrow buttons arrows around Set Clear to navigate back and forth between marks instantly 36 E m eee Sie 1785 054 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 11 Push the Set Clear button to remove a mark from the waveform The zoom pan play pause setting clearing navigating of marks are all very useful features for manually navigating and inspecting the waveform NOTE To remove a mark with Set Clear first center the zoom box on the mark either with the and lt arrow buttons or panning on the mark Demo XI Using the Wave Inspector s Search Functionality This section shows how to use the powerful search engine to find events for you 1 Push the front panel Search button 1785 05
37. havior infrequently Slow FF Clock Board label SLOW _FF_CLK Connector grid location H5 Description This is the 1 25 MHz clock input signal to a slow flip flop 120 Demo 2 Board Instruction Manual Locating Signals Slow FF Data Board label SLOW_FF_D Connector grid location H5 Description This is the 1 25 MHz data input signal to a slow flip flop that is asynchronous to the clock input Slow FF Q Output Board label SLOW_FF_Q Connector grid location H5 Description This is the Q output signal of the slow flip flop This signal shows metastable behavior frequently Counter Clock Board label CNT CLK Connector grid location B6 Description This is the 1 25 MHz clock signal for the 7 bit Counter Output described next Demo 2 Board Instruction Manual 121 Locating Signals 122 Counter Output Bits Board label CNT_OUTO CNT_OUT6 Connector grid location B5 B6 Description These are the 7 bits of the binary counter The LSB is CNT OUTO at 625 KHz that is half of the counter input clock There are random setup and hold time changes of 500 ps on bits 2 CNT OUT1 and 4 CNT OUT3 of this bus Use these signals to demonstrate setup time and hold time bus triggering using MagniVu The Counter Output Bits and the Counter Clock signals are on eight adjacent sets of header pins for easy connection to a digital probe 350 ps Delayed Clock Board label 350 _PS_DELAY_CLK Connector grid location H6 Description
38. he lower right of the display to remove the side menu Push it again to remove the lower bezel menu 1785 057 16 Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DPO04000 Series Oscilloscopes Demo VIII Saving a Screen Image 1 Insert a USB flash drive There is one USB 2 0 Host port on the front some oscilloscopes also have one or more ports on the rear of the oscilloscope i 1785 113 1785 056 2 Push the front panel Save Recall Menu button Demo 2 Board Instruction Manual 17 Getting Started with the MSO DPO2000 MSO DPO3000 and MSO DPO4000 Series Oscilloscopes 3 Push the lower bezel Save Screen Image button 4 If needed use multipurpose knob a to select the drive that you are using Multipurpose 1785 039 18 Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DPO04000 Series Oscilloscopes 1785 049 5 Push the front panel Select button This lets you expand or contract your view into the contents of the drive that you are using cl wt media tE 1 a G E E E EJ Expanded list Contracted list 6 Select the desired file format with the File Format side bezel button png 7 Push OK Save Screen Image Demo 2 Board Instruction Manual 19 Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DP04000 Series Oscilloscopes 20 8 To easily save multiple images
39. illoscopes offer standard 5 M record lengths on all channels MSO DPO2000 Series Performance DPO2024 amp DPO2014 amp DPO2012 amp Characteristic MS02024 MS02014 MS02012 Bandwidth 200 MHz 100 MHz 100 MHz DPO2000 Channels 4 4 2 MSO2000 Channels 4 16 4 16 2 16 Max Analog Sample Rate all channels 1 GS s 1 GS s 1 GS s Main Record Length all channels 1M 1M 1M 1 M Record Lengths on All Channels All MSO DPO2000 series oscilloscopes offer standard 1 M record lengths on all channels 24 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features Wave Inspector Demos Background Digital oscilloscope record lengths have gone from 500 points in the early 1980 s to millions of points today The MSO DPO2000 MSO DPO3000 and MSO DPO4000 series place emphasis not only on the quantity of record length provided but also on the usability of the data Imagine trying to find what you are looking for on the Web these days without search engines like Google E As record lengths have gotten longer virtually every digital oscilloscope has implemented a zoom model However most zoom models are operated with controls buried in menus or front panel controls that are multiplexed with other functions The zoom controls are easily accessible on the front panel The following are general demonstration procedures that cover the key points of Wave Inspector and Serial Triggering and Analysis Demo 2 Board Instruction Manual 25
40. instruments A half height runt signal occurs approximately every 838 8 ms Use a Runt trigger to isolate the signal A 50 ns narrow pulse appears in approximately 838 8 ms Use a Pulse Width trigger to isolate the signal The pulse train is a repeating group of three pulses The three pulses are 100 ns 200 ns and 100 ns wide with a 100 ns low between each pulse The group repeats at a 1 6 us rate The anomaly is a group of four pulses The four pulses are 100 ns 50 ns narrow 100 ns runt and 100 ns wide with a 100 ns low between each pulse except for a 50 ns low before the runt 40 MHz Board label 40 MHZ Connector grid location A4 Description This is a 40 MHz square wave signal AM Modulation Board label AM MOD Connector grid location 15 Description This is a 1 25 MHz carrier amplitude signal modulated by a 1 25 kHz sine wave signal Demo 2 Board Instruction Manual Locating Signals The AM Mod signal is centered around ground Set the oscilloscope trigger level to either the top or bottom of the waveform to stabilize it on the display Single Shot Pulse Board label SS PULSE Connector grid location C5 14 Description This is a 200 ns wide positive pulse that is initiated by the SINGLE SHOT push button grid location 14 The Demo 2 board provides one pulse per button push 912 MHz Board label 512_MHZ Connector grid location C6 Description This is a 512 MHz 600 mV peak to peak sine wave si
41. is demo turn off Search by Search pushing the lower bezel Search button If needed then push the side bezel Search Search button so it highlights Off On G Demo 2 Board Instruction Manual 41 Giving Demos of Advanced Oscilloscope Features 15 Push Menu Off to the right of the display to remove the side menu Push it again to remove the lower bezel menu 8 Demo XII Using Serial Triggering and Analysis This demo shows a much easier and more efficient way to analyze your serial buses NOTE Start from where you finished the last demo 1 Turn the zoom inner knob to adjust your zoom factor to 250 X on the MSO DPO4000 or 200 X on the MSO DPO2000 and MSO DPO3000 Hint The oscilloscope will display the zoom value near the top of the display 1887 021 42 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 2 Pan the zoom window as needed nm LLSLAT LN EAARMN RMA Notice how easy it is to set up a bus on the your oscilloscope while you do steps 3 through 9 3 Push the B1 button 1785 041 Demo 2 Board Instruction Manual 43 Giving Demos of Advanced Oscilloscope Features 44 4 Push the lower bezel Bus button and turn knob a to scroll through a list of buses that the oscilloscope supports such as Parallel 12C SPI CAN and RS 232 Select I2C NOTE The specific list of supported buses that you see depends on the model of oscilloscope used and the application mo
42. kstation MSO DPO4000 models also have CompactFlash ports Some oscilloscopes also have one or more USB ports on the rear of the oscilloscope Short Depth MSO DPO2000 MSO DPO3000 and MSO DP04000 series use a small amount of bench space especially given its performance level allowing customers to set their device under test in front of the oscilloscope which is only 140 mm 5 4 inches deep Portable Light weight and a sturdy handle make these oscilloscopes easily portable The MSO DPO04000 weighs only 5 kg 11 pounds The MSO DPO3000 weighs 4 17 kg 9 2 pounds The MSO DPO2000 weighs 4 08 kg 9 pounds Localization The user interface of all of these oscilloscopes is available in these 11 languages English French German Italian Spanish Portuguese Brazilian Russian Japanese Korean Simplified Chinese and Traditional Chinese Demo 2 Board Instruction Manual 21 Giving Demos of Advanced Oscilloscope Features 22 m 5X Oversampling on All Channels All MSO DPO2000 MSO DPO3000 and MSO DP04000 series oscilloscopes offer 5x over sampling on all channels with sin x x interpolation standard This ensures full single shot bandwidth on all channels Oscilloscopes with lower sample rates and or linear interpolation often only offer full single shot bandwidth on fewer channels Waveform Labels These oscilloscopes support adding labels to signals on the display This is increasingly useful as the number of signals on the display i
43. l 1 Vertical Scale knob in both directions and observe how the display changes Also notice the channel 1 readout on the lower left of the display shows the current volts div setting Set the Vertical Scale to 1 V div Turn the front panel channel 1 Vertical Position knob in both directions and observe how the display changes Position the waveform in the center of the display 9006 a D R 1785 119 Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DPO3000 and MSO DPO04000 Series Oscilloscopes 3 Push the front panel channel 2 button to gi turn on channel 2 Push it again to turn off channel 2 Demo 2 Board Instruction Manual T Getting Started with the MSO DPO2000 MSO DPO3000 and MSO DP04000 Series Oscilloscopes Demo Ill Using Horizontal Controls 1 Turn the front panel Horizontal Scale an knob in both directions and observe the display Also notice the horizontal readout indicating the current time div setting Set c 2 the Horizontal Scale to 200 ns div 2 Turn the front panel Horizontal Position Aiie knob both directions and observe the display Notice that this affects the trigger position icon the big T on an orange background Return the trigger position icon to center screen Met 1887 025 3 Take alook at he graphic shown above i T the graticule The long yellow bar represents the overall acquisition while the gray brackets indicate the porti
44. l Trigger Menu button 1785 042 Type Source Bus Data Mode B1 Parallel amp Holdoff 2 Push the lower bezel Type button 3 Turn multipurpose knob a to select Bus Multipurpose 1785 039 Demo 2 Board Instruction Manual 99 Giving Demos of MSO Features 4 Push the lower bezel Data menu button 5 Turn multipurpose knobs a and b to enter a value of 7F in Hex all 1 s in Binary You are measuring a counter The oscilloscope will trigger when the counter reaches a state where all channels reach the 1 state green Multipurpose a I Cursors Intensity ay Multipurpose I 6 Push Menu Off 1785 057 100 Demo 2 Board Instruction Manual Giving Demos of MSO Features 7 Push the front panel Run Stop button Notice that the oscilloscope triggers when the TF the all 1 s green data value you selected j above occurs Triggering on a data pattern is BIZ GATED a common request from engineers working on embedded designs Tek Run 6 COUNT 6 S COUNT 5 _ Rico UNT 3 COUNT 2 bore OT COUNT 0 es Demo 2 Board Instruction Manual 101 Giving Demos of MSO Features Demo XXII Searching for Parallel Bus Data Values MSO2000 MSO3000 and MSO4000 Models The MSO4000 MSO3000 and MSO2000 can search a parallel bus for values that you specify 1 Push the front panel Search button 2 Push the lower bezel Search button and the side bezel Search button to turn sea
45. m where you finished the last demo Demo 2 Board Instruction Manual 89 Giving Demos of MSO Features 1 Push the front panel D15 D0 button if the lower bezel D15 D0 menu is not already displayed 2121 211 2 Push the lower bezel Thresholds menu button Notice that you can set each channel s threshold voltage individually MSO4000 only or as a group with multipurpose knobs a and b For this exercise leave the thresholds the way they are On the MSO2000 MSO3000 you can set the threshold voltage for Group 1 or Group 2 90 Demo 2 Board Instruction Manual Giving Demos of MSO Features Demo XIX Labeling Channels MSO2000 MSO3000 and MSO4000 Models You can add custom labels to each digital waveform As the number of signals on the oscilloscope display increases it becomes more and more helpful to attach labels to each signal NOTE Start from where you finished the last demo In other words you should have pushed the front pane D15 D0 button to bring up the D15 D0 lower bezel menu 0 E U 1 Connect a USB keyboard to one of the USB ports Use either the front panel or if available a rear panel USB port O ra 0000 09 009010 0 000 o O o O OOOO OOOO OO dag oo o OOOOOOOOOOOOOW ggg gag 0000 B08 Oo O00 A 008 9 O O 1887 018 Demo 2 Board Instruction Manual 91 Giving Demos of MSO Featur
46. mo 2 Board Instruction Manual 65 Giving Demos of Advanced Oscilloscope Features 17 Push the lower bezel Event Table 18 Push the side bezel Event Table button to select On The event table presents information in an alternative way to the graphical bus waveform display It resembles a state listing window in a logic analyzer Notice that you can now view each character in the listing display 19 Turn off the event table 66 Event Table Event Table Off 8 51M5 85 18M5 1 95m5 8 63M5 75 40IM5 f2 07 ms 68 85 M5 6 5 52 MS 62 30Mm5 x5 OTK oO 4 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 20 Push the lower bezel Configure button Push the side bezel Packets button to On Then push Menu Off once to remove the side menu Notice that the messages are all contained in packets for easier reading of the ASCII data Enablings nnovation Demo XV Triggering on a Serial Data Pattern e g RS 232 MSO DPO02000 MSO DPO3000 and MSO DP04000 series oscilloscopes can trigger on a user specified serial data pattern such as you would find in RS 232 data NOTE Install the appropriate DPO2ZCOMP DPO3COMP or DPO4COMP application module before running this demo 1 Push Trigger Menu 1785 042 Demo 2 Board Instruction Manual 67 Giving Demos of Advanced Oscilloscope Features 68 Push the lower bezel Type button and select
47. ncreases MSO DP0O4000 Series Performance DPO4104 amp DPO4054 amp DPO4034 amp DPO4032 amp Characteristic MS04104 MS04054 MS04034 MS04032 Bandwidth 1 GHz 500 MHz 350 MHz 350 MHz DPO4000 Channels 4 4 4 2 MS0O4000 Channels 4 16 4 16 4 16 2 16 Max Analog Sample Rate all channels 5 GS s 2 0 GS s 2 0 GS s 2 0 GS s Main Record Length all channels 10 M 10 M 10 M 10 M MS0O4000 MagniVu Record Length all digital 10 K 10 K 10 K 10 K channels Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 10 M Record Lengths on All Channels All MSO DP04000 series oscilloscopes offer standard 10 M record lengths on all channels Not only is this more than any other midrange oscilloscope s standard offerings it is also more than many offer even with very expensive options MSO DPO3000 Series Performance Characteristic Bandwidth DPO3000 Channels MS0O3000 Channels Max Analog Sample Rate all channels Main Record Length all channels MSO3000 MagniVu Record Length all digital channels Demo 2 Board Instruction Manual DP03054 DPO3052 amp MS03054 500 MHz 4or2 4or2 16 2 5 GS s 5 M 10 k DP03034 DP03032 MS03034 amp MS03032 300 MHz 4or2 4or2 16 2 5 GS s 5 M 10 k DPO3014 DPO3012 MSO3014 amp MSO3012 100 MHz 4or2 4or2 16 2 5 GS s 5 M 10 k 23 Giving Demos of Advanced Oscilloscope Features 5 M Record Lengths on All Channels All MSO DPO3000 series osc
48. nual Locating Signals H G F E D C B A J398 JST J909 J903 JEST J5SB JIA CES C2 GS CEa GES SPI SCLK SP MOSI SPI SS GND z CAN H CANL o LIN MH200 MHZo2 T3919 1920 PE SN gjg 1312 306 0308 o o 5 Oleee Oac no Z Sa O OF 204TA O O Joac_int 2 EL OJSPLss O O pac_tne D 0 gt O SPLMOST O O Joac_tna Y L O O sise O O oac_tna SE ae omz O Ols O fac ns zE p k 1925 O O 12s_so o O pac_ins 50_oHM_A _ O 50_OHM_B OO t2s_Ws SO O fac m A OMH207 n 2k_OHM_A O C 2k_OHM_B aa E Y 100K_0HM A O O 100K_oHM_B DOOO000OL RSE R fe v re 2 ETP 0 01UF_B 3 3 lt a TE OO00000 F o x 10n a O O h aO O mre cuo C333 mom 3E B OO F INF_1NH_A _1NH_ oe om 8 can H Q R333 mm mm 334 a M 5 DIOBE_A OQ DIODE_B m oa o m o m RS232 Ty oe oooeo eo Lt wo 5600 RE sonant AO O RESONANT_B TEK 7 RONIX aacaas Zs 7 n D wi O at 5606506259 23 E af UART w GND 2X _GAIN_IN OF0 P9F4 XKX nm pre Oe wat m BB y D LIN GND OQ ZK_GAIN_OUT cs24 IYEN g M M OTP409 D O Raiz C806 amp DPO DEMO 2 m ae 3 OTP410 as 40_MHZ ocom oo m R544 U40 FLEXRAY_RX TX A SINGLE SHOT P81 mm B R813 O MHIO C608 pgg ili FLEXRAY_BH O nsmie S ii A Senna metas ae am oo Sf FLEKRAY_BP 2ns_PuLse egg mkg uao awor oban pS ceod m mm T U506 a BEBE 88888 8V7 at 5 an TAS uzg m oo a 2 se R557 gS ae a
49. o select RS 232 NOTE Ifyou do not see the RS 232 choice check that you have a properly installed the appropriate DPO2COMP DPO3COMP or DPO4COMP application module in your oscilloscope RS 232 10 Push the lower bezel Define Inputs button Look at the side menu and confirm that channel 1 is set to Tx Input If not set it there with multipurpose knob a NOTE With MSO oscilloscopes you can select both analog and digital channels to measure TX and RX signals 11 Confirm on the lower bezel Configure button that the bit rate is set to 9600 This is the default value 12 Push the lower bezel Bus Display button and the side bezel ASCII button Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 63 Giving Demos of Advanced Oscilloscope Features 13 Push Single 1785 061 UE UEC ALNA 14 Turn the zoom inner knob of the Wave Inspector to zoom in on the decoded bus display until you can read the ASCII characters e g 10 X Notice that each box contains a character 1887 024 O B 2121 232 64 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 15 Push the Wave Inspector play button to have the oscilloscope scroll through the message SO you can see what it says Push the play button again to stop the scrolling D 1785 074 Z 16 Turn off zoom by pressing the front panel zoom button 1785 070 De
50. on of the acquisition you are looking at on the screen 8 Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DP03000 and MSO DPO04000 Series Oscilloscopes Demo IV Using Run Stop Controls 1 Push the Run Stop button This stops acquisitions with the last acquired Rare waveform on the display 2 Push Single to have the oscilloscope acquire a single waveform and then stop A Autoset 3 Push the Run Stop button again to restart mise7 ot acquisitions Demo V Using Trigger Controls 1 Turn the Trigger Level knob in both directions and observe the display Turn it far enough to move the trigger level off the waveform m1 887 007 Demo 2 Board Instruction Manual 9 Getting Started with the MSO DPO2000 MSO DPO03000 and MSO DPO04000 Series Oscilloscopes Notice that the oscilloscope loses its stable trigger and the waveform now appears to randomly scroll by 2 Push the Force Trig button once and notice that the oscilloscope shows a single acquisition for a moment This gives you an idea of what the waveform looks like So you can set an appropriate and stable trigger 10 ey Set to 50 m1887 008 Demo 2 Board Instruction Manual Getting Started with the MSO DPO2000 MSO DP03000 and MSO DPO04000 Series Oscilloscopes 3 On the MSO DPO4000 push the Set to LS y 90 button This automatically sets the trigger level to the midpoint of the signal for a stable trigg
51. orm on the screen 6 Turn the Trigger Level knob to 1 3 V Demo 2 Board Instruction Manual 2347 013 73 Giving Demos of Advanced Oscilloscope Features You may occasionally notice the waveform bouncing around on the display seeming to not trigger Because the waveform that you are looking at has high frequency noise on it use high frequency reject triggering to have the trigger ignore the noise and obtain a stable waveform It will provide a stable display without changing how the oscilloscope displays the waveform on the screen 7 Push the front panel Trigger Menu button 14 1785 042 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 8 Press the Coupling bottom bezel button Type Source Geno Slope Level Mode acces amp Holdoff 9 Press the HF Reject side bezel button Demo 2 Board Instruction Manual 15 Giving Demos of Advanced Oscilloscope Features The waveform is now stable in the display This signal represents the output of a DAC Different voltage levels connected together form the displayed sine waveform This waveform has noise on it included glitches that you may see come and go randomly In order to get a better view of the actual signal and filter out the noise turn on FilterVu and set the filter value to one that allows the desired waveform shape to come through 10 Press the front panel FilterVu button 2319 100 FilterVu 76
52. rch to On 3 Select the side bezel Copy Trigger Settings to Search The trigger settings used in the previous demo are now your search criteria Note that any white diamonds on the top of the display depict each incidence of the search value found in the record 102 Demo 2 Board Instruction Manual Giving Demos of MSO Features 4 Push the lower bezel Data button Use the multipurpose a and b knobs to change the data value to 7X The X value stands for any value and will ensure the search returns as many or more results than did the previous step Tale Run Y Y Ei Paral S cou NTS COUNT 4 g cou NT3 COUNT 2 AECOUNTI L OCOUNTO 5 Push Menu Off 1785 057 Demo 2 Board Instruction Manual 103 Giving Demos of MSO Features Demo XXIII Zooming in on White Edges MSO4000 Only White vertical edges on displayed digital waveforms inform the user that more information is available at that point in the display You can zoom in on these white edges to see more details NOTE Run this demo with an MSO4104 MSO4054 or MSO4034 104 Demo 2 Board Instruction Manual 1 Attach a P6139A probe to channel 1 on the MS04000 oscilloscope Then attach the probe to one of the GND points and to the XTALK 1 signal on the Demo 2 board 2 Also attach a P6516 digital probe DO to the XTALK 1 signal You have now attached both the analog and the digital probes to the same test point
53. res 2 Push Default Setup 3 Push the front panel channel 1 button as many times as needed e g two times to remove the channel 1 waveform from the display 4 Turn the front panel Horizontal Scale knob to set the time division to 200 ns div 5 Push the front panel D15 D0 button 84 Default Setup 1785 032 a 2347 010 a 1887 013 2121 211 Green Blue Demo 2 Board Instruction Manual Giving Demos of MSO Features Notice the green and blue colors of the horizontal portions of the digital channel waveform The green indicates the signal is at a logic high level and the blue indicates it is at a logic low level NOTE If you do not see a digital signal on the display check that you properly connected the digital probe to both the oscilloscope and to the Demo 2 board in step 1 6 Confirm that the digital waveform height is PES Thresholds Edit Labels MagniVu Height already set to M medium on the lower bezel On Off On Gil SL menu 7 Push the lower bezel D15 D0 menu button not the front panel button with the same name On the resulting side menu DO should already be checked as displayed 2121 215 Demo 2 Board Instruction Manual 85 Giving Demos of MSO Features 86 10 11 12 13 14 Push the side bezel Turn On D7 D0 button to turn on the display of channels DO through D7 Alternatively you could turn on those channels indi
54. res 56 Push the lower bezel Search button if the Source Bus Search For side menu is not already displayed B1 12C Start Push the side bezel Search button to select On Push the lower bezel Search Type button and turn multipurpose knob a to select Bus from a list of choices The source bus should already be set to B1 If it is not push the lower bezel Source Bus button and turn multipurpose knob a to select B1 On the MSO DPO3000 use the side menu Push the lower bezel Search For button and turn multipurpose knob a to select from all of the criteria that you can search on Select Start Demo 2 Board Instruction Manual 9 Use the front panel lt previous and gt next arrow buttons to jump from one mark to the next This shows how easy it is to move from packet to packet 10 Push the lower bezel Search For button if it is not already active and select Address with multipurpose knob a 11 Push the lower bezel Address button Demo 2 Board Instruction Manual Address Giving Demos of Advanced Oscilloscope Features 1785 054 57 Giving Demos of Advanced Oscilloscope Features 08 12 Turn multipurpose knobs a and b to enter a hex address of 00 Notice that there are fewer results now Again jump around using the front panel previous and next arrow buttons 13 Push the lower bezel Search button and the side bezel Save All Marks button The hollow s
55. rning multipurpose knob a Push the side bezel Define Bits to see a display of which bits are associated with which channels You can define the inputs with multipurpose knobs a and b The channels do not have to be in the same order as the bus You can select any of the 20 channels to represent the bus For this exercise leave DO as the least significant bit LSB and D6 as the most significant bit MSB Bus B1 Define Inputs Parallel Thresholds B1 Label Bus Display Event Table Parallel Demo 2 Board Instruction Manual 6 Push Menu Off to the lower right of the display to remove the side menu 7 Turn knob a to move the parallel bus display above the display of digital channels so you can more easily read the decoded bus Observe the decoded bus values on the display The bus transitions everywhere that the data transitions Demo 2 Board Instruction Manual Giving Demos of MSO Features 1785 057 SSS BEE BEE En COU NT 4 COUNT 3 COU NT gt E ECOUNT 1 Ei COUNT F a5 7 95 Giving Demos of MSO Features Now let s create a clocked bus 8 Push Define Inputs from the lower bezel Bus B1 Thresholds B1 Label Bus Display Event Table menu Parallel Inputs 96 Demo 2 Board Instruction Manual 9 Push the side bezel Clocked Data button to select Yes 10 Confirm that the side bezel Clock Edge button is set to the rising edge icon 11
56. rrived at the new location This is where the pan function helps an 4 Ny ED 6 Turn the pan outer knob counterclockwise a bit Notice the extremely intuitive nature of the zoom pan controls Ea Counterclockwise turning moves the zoom box left Clockwise turning moves the zoom box right Gn m The further you turn the pan knob the faster the Zoom box moves 1785 073 E You can move from one end of the acquisition to the other end in a couple of seconds even with the MSO DP04000 s 10 M record length Demo 2 Board Instruction Manual 33 Giving Demos of Advanced Oscilloscope Features 7 If you do not want to hold the pan knob while looking through the waveform use the play pause feature Pressing the play pause button will cause the oscilloscope to scroll the waveform automatically for you To show this push the play pause button The waveform should start scrolling m Play speed is adjusted by turning the pan knob Jo pan in the other direction just turn the pan knob the other way to slow the zoom box down and have it change direction m To quickly jump to another portion of the record and resume playing when done turn the pan knob all the way in that direction This is pan on top of play pause m Push the play pause button again to stop when there is something anything of interest on the screen 34 D 1785 074 Demo 2 Board Instruction Manual 8 When you
57. to 1 00 V Push Menu Off 8 Push Run Stop Notice any vertical white edges on the digital waveform If none are visible push Run Stop again Demo 2 Board Instruction Manual Giving Demos of MSO Features 16 As needed turn the pan outer knob and navigate using the zoom window to bring one of the white edges to center screen Alternatively push the play button to do this 17 Turn the zoom inner knob of the Wave Inspector to zoom in on one of the white edges Note you can now see a narrow pulse that you couldn t see before you zoomed in 1887 023 UN 2121 214 Demo 2 Board Instruction Manual 109 Giving Demos of MSO Features This completes the Tektronix MSO DP02000 MSO DPO3000 and MSO DPO04000 series demos 110 Demo 2 Board Instruction Manual Troubleshooting lf your Demo 2 board does not appear to work Check the power lf the Demo 2 board is receiving power the power indicator will be lighted If it is not try gently pushing in the power cable on the USB Device port Demo 2 Board Instruction Manual m1887 005 Troubleshooting 111 Locating Signals Locating Signals The diagram includes a grid to help you locate signal pins on connectors and on headers To find the desired signal on the diagram look up the grid location in the signal description and then use the grid to find that location on the diagram and on the board See Figure 1 112 Demo 2 Board Instruction Ma
58. ual 49 Giving Demos of Advanced Oscilloscope Features 50 17 18 19 Push the lower bezel Type button and turn Source Bus multipurpose knob a to select Bus Push the lower bezel Source Bus button and the appropriate side menu button to select the specific bus You only have to define a bus once The rest of the oscilloscope like the trigger menu now knows what it is so you do not have to assign channels or thresholds again in this menu Push the lower bezel Trigger On button Notice the list of trigger choices The key thing is that you can trigger on all the important components of an 12C packet Prior to this you had to hope that the acquisition you were making contained the data of interest Now you can guarantee it by specifying the trigger condition Trigger On Address Direction Mode amp Holdoff Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 20 Turn multipurpose knob a to select Address 21 Push the lower bezel Address button 22 The side bezel Address button should already Address be selected Multipurpose a I Cursors Intensity z Multipurpose I 1785 068 23 Turn multipurpose knobs a and b to enter a hex address of 50 While doing this notice the pre programmed addresses 24 Push the lower bezel Direction button Demo 2 Board Instruction Manual 51 Giving Demos of Advanced Oscilloscope Features 25 Select the si
59. ures 6 Turn the front panel channel 1 and channel 2 Vertical Scale knobs so that both channel 1 and channel 2 are set to 2 0 Vidiv 7 Turn the channel 1 and channel 2 Vertical Position knobs to position channel 1 near the top of the graticule and channel 2 near the middle or bottom 8 Push the front panel Acquire button to display the acquire menu 28 ap 2 00V 2 00 V HET EG ST ppp nner Na n E i To maa i t 1785 046 Demo 2 Board Instruction Manual Giving Demos of Advanced Oscilloscope Features 9 Push the lower bezel Record Length button if not already active and the side bezel 1M points button 10 Turn the front panel Horizontal Scale knob to set the horizontal scale to 20 0 ms div on the MSO DP04000 Set it to 2 0 ms div on 20 0 ms the MSO DPO2000 and MSO DPO3000 Tt 0 00000s Hint If you want to save this setup so that you can recall it at the beginning of each Demo 2 push the front panel Save Recall Menu button the lower bezel Save Setup button and select where you want to store the setup 11 Push the front panel Single button to ee acquire a single acquisition gle Demo 2 Board Instruction Manual 29 1785 056 Giving Demos of Advanced Oscilloscope Features 30 You are now looking at the clock yellow ch1 and data blue ch2 lines of an 12C bus Hint If the waveforms do not look anything like the display to the right go back to step 1 and confirm that you
60. vidually as shown in steps 9 through 11 Turn multipurpose knob a to highlight D1 Push the side bezel Display button to turn on the display of that channel Push the Display button six more times to display channels D2 through D7 Push the front panel Trigger Menu button Push the lower bezel Source button Turn multipurpose knob a to select D7 as the trigger source S S G E 8 8 S amp 40 V 40 V 40 Y 40 Y 40 Y 40 Y 40 Y 40 V 1785 042 Demo 2 Board Instruction Manual Giving Demos of MSO Features 15 Push Menu Off to remove the side menu 1785 057 You should now see all seven counter data signals and the counter clock Notice the upside down triangle on the left side of the i display above the channel 7 marker This is Bl the channel s group marker 5 When multiple channels are placed adjacent to each other on the screen they form a group Groups provide you with an easy way to set Bi j up multiple digital channels at once You can zf ae a ee eee E use the group to easily position multiple digital n waveforms on the screen You can also use mi S _ them to easily alter the voltage thresholds for fo ff all the channels in the group Demo 2 Board Instruction Manual 87 Giving Demos of MSO Features 88 16 Positioning a group of signals on the screen is easy To demonstrate this push the front panel D15 D0 button turn multipurpose knob a and

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