ZS Series High-Impedance Active Probes
Contents
1. 7 LOIG rq 8 E E A E E aai 8 FOGI 9 Pr b Operaatio ii aa Ea 9 Handling the Probe gt a en eer ne ee 9 Connecting the Probe to an Oscilloscope 9 Operation with a Teledyne LeCroy Oscilloscope 10 Connecting the Probe to the Test 10 High Frequency 11 Probe Impedance and Equivalent Circuit 14 Zo1x00 mpedance eo tends 14 ZS1x00 Equivalent 14 Zo29500 7 pedalie 15 Zo2500 Equivalent GG 15 924282 00 ZS Series High Impedance Active Probes Care and n nana nnn rnnt 16 aa P 16 Calibration 16 SENICE OIL ale edP 16 Returning Probe for Calibration or Service 16 Replacement P allScsssseseviscvide 18 Performance Verification2. 18 Required Test 18 Preliminary 19 Functional 20 Verification 21 Performance Verification Test Record 24 Reference Material wi 26 26 CEC UON e 26 Contact Teledyne 28 ii 924282 00 Rev A Operator s Manual Safety Instructions This section contains instructions that must be observed to keep this oscilloscope accessory operating in a correct and safe condition You are required to follow generally accepted safety procedures in addition to the precautions specified in this section The overall safety of any system incorporating this accessory is the responsibility of the assembler of the system Symbols These symbols may appear on the probe body or in this manual to alert you to important safety considerations AN CAUTION Potential for damage to probe or instrument it is connected to Attend to the accompanying information to protect against personal injury or damage Do not proceed until conditions are fully understood and met ELECTROSTATIC DISCHARGE ESD HAZARD The probe is susceptible to AM damage if anti static measures are not taken CAUTION E DOUBLE INSULATION Precautions Connect and disconnect properly Connect probe to the measurement instrument before connecting the test leads t
3. mm TELEDYNE LECROY Everywhereyoulook we gt n S Operator s Manual 251000 751500 252500 High Impedance Active Probe 251000 251500 252500 High Impedance Active Probes Operator s Manual WA TELEDYNE LECROY Everywhereyoulook WA TELEDYNE LECROY Everywhereyoulook 2 2014 Teledyne LeCroy Inc All rights reserved Unauthorized duplication of Teledyne LeCroy documentation materials other than for internal sales and distribution purposes is strictly prohibited However clients are encouraged to distribute and duplicate Teledyne LeCroy documentation for their own internal educational purposes WaveSurfer WaveRunner WavePro WaveMaster and Teledyne LeCroy are registered trademarks of Teledyne LeCroy Inc Windows is a registered trademark of Microsoft Corporation Other product or brand names are trademarks or requested trademarks of their respective holders Information in this publication supersedes all earlier versions Specifications are subject to change without notice Warranty Teledyne Lecroy warrants this oscilloscope accessory for normal use and operation within specification for a period of one year from the date of shipment Spare parts replacement parts and repairs are warranted for 90 days In exercising its warranty Teledyne LeCroy at its option will either repair or replace any assembly returned within its warranty period to the Customer Service Department or an
4. Probus CF01 T 5 00 Probe Output Zero Voltage Test Setup 1 Connect one end of a BNC cable to the female BNC connector on the probe end of the ProBus extender cable Connect the precision 50 O terminator to the other end of the BNC cable 2 Connect the banana plugs of the Precision terminator to the input of the DMM Make sure that the plug corresponding to the BNC shield marked Ground is connected to the LOW or COMMON input of the DMM 3 Setthe OFFSET on the oscilloscope to zero 4 Setthe DMM to read DC Volt on the most sensitive range 5 Record the voltage measured on the DMM to 10 resolution as Output Zero Voltage in the Test record 6 Check that the voltage indicated by the DMM is between 200 UV 7 Disconnect the DMM from the precision 50 terminator Leave the remaining setup in place for the next step 924282 00 Rev A 21 ZS Series High Impedance Active Probes B LF Attenuation Accuracy 22 Teledyne LeCroy Oscilloscope Function Generator 25 00 Probe Precision 50 ohm Terminator LF Attenuation Accuracy Setup Disconnect the BNC tee at the power supply from the dual banana plug adapter Connect the BNC tee to the output of the function gen erator Use a 50 termination if the function generator requires such a load Carefully insert the Straight Tips supplied in accessory kit into the sockets of the probe head Attach the red lead of the mini grabber
5. bh m 2 nr k ZS1000 ZS1500 ZS2500 Probe Exploded View Diagram 4 924282 00 Rev A Tips Straight Tip IC Lead Tip Pogo Tip NG 924282 00 Rev A Operator s Manual The straight tip is rugged and designed for general probing Fits in either probe socket PK ZS 001 The IC Lead Tip is covered in insulation on all sides except for a small edge this tip was designed to prevent shorting neighboring IC leads The gold part of the tip is not insulated and should touch the IC lead to be tested It is one size fits all and will work with any IC lead pitch Fits in either probe socket PACC PTOO3 The Bent Tip is made out of titanium this tip is ideal for situations that require the user to hold the probe parallel to the circuit board under test Also gives you more control when holding the probe like a pencil Fits in either probe socket PACC PTOO5 The pogo tip provides z axis compliance The tip can fit into a socket or via and onto an IC leg ZS Series High Impedance Active Probes Tips continued Discrete SMD Tip The crescent shape of this tip is designed to fit tightly on capacitors resistors transistors and other surface mount components with discrete leads Fits in either probe socket 2 54 mm Square Pin 2 54 mm Square Pin Adapter The 2 54 mm square pin Adapter adapter fits into both the input and ground lead of the ZS probe for easy connection to standard
6. 2 ea Cable Pomona 5697 36 BNC Tee Connector Male to Dual Female 32085 3285 Calibration Fixture ProBus Extender Cable Teledyne PROBUS CF01 Terminator Precision 50 0 05 Teledyne LeCroy BNC TERM CF01 Banana Plug Adapter Female BNC to Dual Banana Pomona 1269 2 ea Plug BNC to Mini grabber BNC Mail to Mini grabber Pomona 5187 C 36 Cable 36 Preliminary Procedure 1 Connect the ZS1000 ZS1500 or ZS2500 probe to the female end of the ProBus Extension Cable Connect the male end of the ProBus Extension Cable to channel 1 of the oscilloscope 2 Turn the oscilloscope on and allow at least 30 minutes warm up time for the ZS1000 ZS1500 or ZS2500 and test equipment before performing the Verification Procedure 924282 00 RevA 19 ZS Series High Impedance Active Probes 3 the other test equipment and allow them to warm up for the manufacturer s recommended timeframe 4 While the instruments are reaching operating temperature make a photocopy of the Performance Verification Test Record located in Appendix A and fill in the necessary data 5 Select the channel to which the probe is connected Set the oscilloscope scale factor to 20 mV div 6 Disconnect the ProBus Extender Cable from the oscilloscope Verify that the scale factor changes from 20 mV div to 2 mV div 7 Reconnect the ProBus extender Cable to the oscilloscope The warranted characteristics of the 251000 25
7. connect to the input or ground socket of the probe body and may be used for general purpose probing Short and Long Right These leads have a socket on one end with a right Angle Pin Lead angle and a square pin on the other to connect to the input or ground socket of the probe body and may be used for general purpose probing Y Lead Adapter This lead is used for both ground and input lead Sen simultaneously It has two sockets on one end and two SS square pins on the other and may be used for general BW purpose probing 99 p Grabbers Micro and Mini The micro grabbers are ideal for connecting to small Grabbers IC legs or pins very tightly spaced VE gt SN 2 LE Y 3 XC 8 924282 00 Rev A Operator s Manual Probe Holder Freehand Probe Holder The FreeHand lets you focus on the oscilloscope screen DT instead of on maintaining contact to multiple test N points It allows the user to concentrate on what is really important the waveform It is designed to keep most of the weight on the probe gt tip and will prevent lost contact when a bump to the table shakes the circuit under test Probe Operation Handling the Probe The ZS series probe is a precision test instrument Exercise care when handling and storing the probe Always handle the probe by the probe body or compensation box Avoid putting excessive strain or exposing the probe cable to sharp bends ESD Sensitive The
8. makes probing signals on the package easier and makes for the shortest lead length for the best signal fidelity To illustrate how dramatic this effect is we will work a simple example Assuming an input capacitance of 0 9 pF and a total lead length input and ground of 2 inches inductance of 25 nH inch such a setup may cause ringing with a resonant frequency f0 of po e SU a 12 Am4 50x10 x0 9 x 10 This frequency is well within the passband of the probe and therefore shows up as part of the measured signal at faster time div settings To determine how fast a waveform to be measured can be without causing ringing on a probe like this divide the BW ringing frequency of the probe into 0 35 0 35 0 35 Lus BW 750 gt 0 47 ns Any input signal with a rise time faster than 0 47 ns can cause ringing Capacitive Loading Capacitive loading is usually the most troublesome of the three loading effects It can affect the rise time bandwidth and delay time measurements At higher frequencies the capacitive loading can affect the amplitude as well as the waveshape of the measured signal by introducing an exponential response to the waveform For a simple RC network the time constant of this exponential response is 22xC x frise X Rota 12 924282 00 RevA Operator s Manual Where Ctotal is the combined probe and circuit capacitance and Rtotal is combined circuit and probe resista
9. returning a probe to a different country also e Mark shipments returned for service as a Return of US manufactured goods for warranty repair recalibration there is a cost involved in the service put the service cost in the value column and the replacement value of the probe in the body of the invoice marked For insurance purposes only e Bevery specific as to the reason for shipment Duties may have to be paid on the value of the service 924282 00 RevA 17 ZS Series High Impedance Active Probes Replacement Parts The probe connection accessories and other common parts can be ordered through the North America Customer Care Centers Refer to Standard Accessories table after the Introduction of this manual Performance Verification This procedure can be used to verify the warranted characteristics of the 251000 251500 and 252500 High Impedance Active Probe The recommended calibration interval for the model 751000 251 500 and 252500 is one year The complete performance verification procedure should be performed as the first step of annual calibration Test results can be recorded on a photocopy of the Test Record provided in Appendix A at the end of the manual Performance verification can be completed without removing the probe covers or exposing the user to hazardous voltages Adjustment should only be attempted if a parameter measured in the Performance Verification Procedure is outside the specification
10. tips of the probes are sensitive to Electrostatic 24 Discharge ESD Avoid causing damage to the probe by always auto following anti static procedures wear wrist strap etc when using or handling the probe Connecting the Probe to an Oscilloscope The 251000 251500 and ZS2500 probes have been designed for use with Teledyne LeCroy s WaveSurfer WaveRunner WavePro and WaveMaster platforms equipped with the ProBus interface When you attach the probe output connector to the oscilloscope s input connector the oscilloscope recognizes the probe provides proper termination and activates the probe control functions in the user interface 924282 00 Rev A ZS Series High Impedance Active Probes Operation with a Teledyne LeCroy Oscilloscope When the 251000 251500 or 252500 probe is connected to any compatible Teledyne LeCroy oscilloscope the displayed scale factor and measurement values are automatically adjusted Tab of dialog indicates the attached probe s model name Select the dialog by touching this tab Trace On Scale Vidiv 50 0 mV P ol V A Actions for trace C1 sure 00 m Math D eco de The probe can be controlled through the oscilloscope graphical user interface When connected a Probe dialog appears behind the corresponding channel dialog Refer to your oscilloscope s manual for specific operation instructions Turning the Volts Div knob controls the oscilloscope s scale fact
11. 100 10 HE EE ERE E 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz 100 4000 0000 2 252500 Equivalent Circuit 100 924282 00 Rev A 15 ZS Series High Impedance Active Probes Care and Maintenance Cleaning The exterior of the probe and cable should be cleaned using a soft cloth moistened with water The use of abrasive agents strong detergents or other solvents may damage the probe Always ensure that the input leads are free of debris CAUTION The probe case is not sealed and should never be immersed in any fluid Calibration Interval The recommended calibration interval is one year from the time the probe is put into service Service Strategy The 251000 251500 and 252500 probes utilize fine pitch surface mount devices It is therefore impractical to attempt to repair in the field Defective probes must be returned to a Teledyne LeCroy service facility for diagnosis and exchange Defective probes under warranty are repaired or replaced A probe that is not under warranty can be exchanged for a factory refurbished probe for a modest fee You must return the defective probe in order to receive credit for the probe core Returning a Probe for Calibration or Service Return a probe for calibration or service by contacting your local Teledyne LeCroy sales representative They will tell you where to return the product All returned products should be identified by both model and serial number Provide your
12. 1500 and ZS2500 are valid at any temperature within the Environmental Characteristics listed in the Specifications However some of the other test equipment used to verify the performance may have environmental limitations required to meet the accuracy needed for the procedure Be sure that the ambient conditions meet the requirements of all the test instruments used in his procedure NOTE The correct operation of the 252500 controls requires software version 6 5 0 5 or higher The software version in the test oscilloscope can be verified by selecting Utilities gt Utilities Setup gt Status tab Contact your local Teledyne LeCroy representative or visit teledynelecroy com if the software in your oscilloscope requires updating Functional Check The functional check verifies the basic operation of the probe functions It is recommended that the Functional Check be performed prior to the Performance Verification Procedure 1 Return to the factory default settings by e Selecting File gt Recall Setup from the menu bar e Then touch the Recall Default button 2 Touch the C1 trace label to open the C1 Vertical Adjust dialog 3 Verify that the probe model is sensed and displayed on the Probe tab 20 924282 00 Rev A Operator s Manual Verification Procedure A Output Zero Voltage Teledyne LeCroy Oscilloscope dix ya i Precision 50 ohm Terminator
13. 2 54 mm square pin spacing on a circuit board 6 924282 00 Rev A Grounds Offset Ground Ground Blade narrow and Ground Blade wide 924282 00 Rev A Operator s Manual The offset pin is designed to be attached to either socket of the probe head The offset pin is the highest quality grounding solution and is recommended in high frequency applications The offset ground is designed to connect to the ground socket and wrap around the probe head This gives the ability to a probe signal and ground that are extremely close together The short length provides high quality grounding for high frequency applications The Ground Blade and Copper Pad are intended to work together for the best grounding solution for probing an IC The Ground Blade is designed to provide a short low inductance ground path The Copper Pad is adhesive backed to stick to the top of an IC and can then be soldered to the IC ground The wide ground blade is ideal for use when the best quality ground is needed The wide blade offers the minimal inductance compared to the narrow ground blade ZS Series High Impedance Active Probes Leads While longer leads provide greater flexibility when connecting the probe to a circuit the added inductance may degrade the fidelity of high frequency signals See Section 4 for additional information Short and Long These leads have a socket on one end and a square pin Straight Pin Lead on the other to
14. 69 845 425 2000 FAX 845 578 5985 teledynelecroy com Support contact coro teledynelecroy com Sales customersupport teledynelecroy com European Headquarters Teledyne LeCroy SA 4 Rue Moise Marcinhes Case postale 341 1217 Meyrin 1 Geneva Switzerland Ph 41 22 719 2228 2323 2277 FAX 41 22 719 2233 contact sa teledynelecroy com applications indirect teledynelecroy com teledynelecroy com europe Protocol Analyzers Ph 44 12 765 03971 China Teledyne LeCroy Corporation Beijing Rm 2001 Office Rm 2002 Service Center Unit A Horizon Plaza No 6 Zhichun Road Haidian District Beijing 100088 China Ph 86 10 8280 0318 0319 0320 FAX 86 10 8280 0316 Service Rm 2002 Ph 86 10 8280 0245 Taiwan LeColn Technology Co Ltd Far East Century Park C3 9F No 2 Chien 8th Road Chung Ho Dist New Taipei City Taiwan Ph 886 2 8226 1366 FAX 886 2 8226 1368 28 United States Protocol Solutions Group Teledyne LeCroy Corporation 3385 Scott Boulevard Santa Clara CA 95054 USA FAX 408 727 0800 teledynelecroy com Sales and Service Ph 800 909 7211 408 727 6600 contact corp teledynelecroy com Support Ph 800 909 7112 408 653 1260 psgsupport teledynelecroy com Singapore Oscillosocpes Teledyne LeCroy Singapore Pte Ltd Blk 750C Chai Chee Road 02 08 Technopark Chai Chee Singapore 469003 Ph 65 64424880 FAX 65 64427811 Singapore Protocol Analyzers Genetro
15. Particular requirements for testing and measuring circuits EN 61010 031 A1 2008 Safety requirements for electrical equipment for measurement control and laboratory use Part 031 Safety requirements for hand held probe assemblies for electrical measurement and test Environmental Compliance END Or LiFE HANDLING The probe is marked with this symbol to indicate that it complies with the applicable European Union requirements to Directives 2002 96 EC and 2006 66 EC on Waste Electrical and Electronic Equipment WEEE and Batteries The probe is subject to disposal and recycling regulations that vary by country and region Many countries prohibit the disposal of waste electronic equipment in standard waste receptacles For more information about proper disposal and recycling of your Teledyne LeCroy product please visit teledynelecroy com recycle RESTRICTION OF HAZARDOUS SUBSTANCES ROHS The product and its accessories conform to the 2011 65 EU RoHS2 Directive as it has been classified as Industrial Monitoring and Control Equipment per Article 3 Paragraph 24 and is exempt from RoHS compliance until 22 July 2017 per Article 4 Paragraph 3 924282 00 RevA 27 ZS Series High Impedance Active Probes Contact Teledyne LeCroy Teledyne LeCroy Service Centers United States and Canada World Wide Corporate Office Teledyne LeCroy Corporation 700 Chestnut Ridge Road Chestnut Ridge NY 10977 6499 USA Ph 800 553 27
16. authorized service center However this will be done only if the product is determined by Teledyne LeCroy s examination to be defective due to workmanship or materials and the defect is not caused by misuse neglect accident abnormal conditions of operation or damage resulting from attempted repair or modifications by a non authorized service facility The customer will be responsible for the transportation and insurance charges for the return of products to the service facility Teledyne LeCroy will return all products under warranty with transportation charges prepaid This warranty replaces all other warranties expressed or implied including but not limited to any implied warranty of merchantability fitness or adequacy for any particular purposes or use Teledyne LeCroy shall not be liable for any special incidental or consequential damages whether in contract or otherwise 924282 00 May 2014 Operator s Manual TABLE OF CONTENTS Safety INStrUCHIONS cm 1 ve cp T E 1 ise m 1 Operating 000001 anaa aana anaa aana anara 2 LE OCC NOI aa aa a aaa Ba Waa aa A NR a an a aaa a al 2 2 Standard Accessories 2 nnne nnne nnne nnns 3 Features and Accessories 1 111111111111 4 THOS c Q 5
17. d record the reading to 100 UV resolution as Measured Output Voltage top range in the Test Record Calculate the error by dividing the measured top range output voltage recorded in step B10 by the expected top range output voltage recorded in step B 8 Subtract 1 from this ratio and multiply by 10096 to get the error in percent Record the calculated error to two decimal places 0 xx as Gain Error top range in the test record Verify that the error is less than 1 0 96 Disconnect the precision 50 terminator from the DMM Connect the banana plug adapter connected via a BNC cable to the BNC tee at the function generator to the DMM Verify that the side of the plug marked Ground is connected to the Low or Common input of the DMM Adjust the sine wave generator output amplitude to approximately 2 5 Vrms as measured on the DMM Record the reading to 1 mV resolution as Generator Output Voltage mid range in the Test Record Be careful not to alter the output amplitude after the reading is recorded Divide the reading recorded in step B 17 by 10 Record the result to 100 uV resolution as Expected Output Voltage mid range in the test record 924282 00 Rev A 23 ZS Series High Impedance Active Probes 20 Remove the banana plug adapter from the DMM and connect the precision 50 O terminator to the DMM making sure that the banana plug side marked GROUND is connected to the LOW or COMMON input of the DMM 21 Aft
18. d to the following specifications as listed in the Official Journal of the European Communities EN 61326 1 2006 EN 61326 2 1 2006 EMC requirements for electrical equipment for measurement control and laboratory use European Contact Teledyne LeCroy Europe GmbH Waldhofer Str 104 D 69123 Heidelberg Germany Tel 49 6221 82700 AUSTRALIA amp NEW ZEALAND DECLARATION OF CONFORMITY EMC Probe complies with the EMC provision of the Radio Communications Act per the following standards in accordance with requirements imposed by Australian Communication and Media Authority ACMA CISPR 11 2003 Radiated and Conducted Emissions Group 1 Class A in accordance with EN61326 1 2006 and EN61326 2 1 2006 Australia New Zealand Contacts Vicom Australia Ltd Vicom New Zealand Ltd 1064 Centre Road 60 Grafton Road Oakleigh South Victoria 3167 Auckland Australia New Zealand 26 924282 00 RevA Operator s Manual Safety Compliance EC DECLARATION OF CONFORMITY LOW VOLTAGE The probe meets intent of EC Directive 2006 95 EC for Product Safety Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 61010 1 2010 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements EN 61010 2 030 2010 Safety requirements for electrical equipment for measurement control and laboratory use Part 2 030
19. er the DMM has stabilized record the reading to 100 UV resolution as Measured Output Voltage mid range in the Test record 22 Calculate the error by dividing the measured mid range output voltage recorded in step B 21 by the expected mid range output voltage recorded in step B 19 Subtract 1 from this ratio and multiply by 10096 to get the error in percent 23 Record the calculated error to two decimal places 0 xx 96 as Gain Error mid range in the Test record 24 Verify that the mid range gain error is less than 1 0 This completes the Performance Verification of the 251000 251500 or 252500 Complete and file the Test Record as required to support your internal calibration procedure Apply suitable calibration label to the 251000 751500 or 252500 housing as required NOTE The function generator used in this Performance Verification Procedure is used for making relative measurements The output of the generator is measured with a DMM or oscilloscope in this procedure Thus the generator is not required to be calibrated Performance Verification Test Record The next page can be used to record the results of measurements made during the performance verification of the ZS Series Probes Permission is granted to photocopy it and record the results on the copy File the completed record as required by applicable internal quality procedures The section in the test record corresponds to the parameters tested in the performa
20. ircuit Actual diagrams p 14 The ground lead is the primary return path for the current resulting from the input voltage acting on the probe s input impedance The ground lead and input lead inductances act with the probe s input capacitance to form series L C network The impedance of a series LC network drops dramatically at its resonant frequency This is the cause of the ring we often see after the leading edge of pulses in measured waveforms This effect is referred to as ground lead corruption Because it is impossible to eliminate either the L or C from this circuit the method to improve waveform fidelity is to raise the resonant frequency beyond the bandwidth of interest in the measurement The resonant frequency of a simple LC circuit can be represented by 1 YA 924282 00 Rev A 11 ZS Series High Impedance Active Probes The resonant frequency of a series LC circuit can be raised by decreasing the inductance capacitance or both Since the input capacitance is already very low and cannot be reduced you can only try to reduce the inductance This can be accomplished by using the shortest possible input lead as well as the shortest possible ground lead For example to obtain the shortest possible ground lead when measuring IC related signals attach a small piece of copper clad material to the top of the IC package and connect this to the package grounding wires Using the shortest ground lead and input lead available
21. limits NOTE Adjustment should only be performed by qualified personnel This procedure tests the following specifications e Output Zero Voltage LF Attenuation Accuracy Required Test Equipment The Standard Accessories table after the Introduction of this manual lists the test equipment and accessories or their equivalents that are required for performance verification of the 251000 251500 and 252500 probes This procedure has been developed to minimize the number of calibrated test instruments required Only the parameters listed in boldface in the Minimum requirements column must be calibrated to the accuracy indicated 18 924282 00 Rev A Operator s Manual Because the input and output connector types may vary on different brands and models of test instruments additional adapters or cables may be required List of Required Equipment Description Minimum Requirement Test Equipment Examples Digital Oscilloscope ProBus Interface Windows Teledyne LeCroy based WaveRunner WavesSurfer Xs Digital Multimeter 4 5 digit Agilent Technologies 34401A d with test probe 0 1 Accuracy Fluke 8842A 09 AC 0 196 Accuracy Function Generator Sine Wave output amplitude Agilent Technologies 33120A adjustable to 14 14 Vp p 5 ford R h DS34 Vrms into 1 MO at 70 Hz Stanford Research DS340 Power Power Suppy 0 12 V settable to 10 mV HP 1A Cable Male to Male 50 O 36 Pomona 2249 X 36
22. n Singapore Pte Ltd 37 Kallang Pudding Road 08 08 Tong Lee Building Block B Singapore 349315 Ph 65 9760 4682 Korea Teledyne LeCroy Korea 10th fl lldong Bldg 968 5 Daechi dong Gangnam gu Seoul 135 280 Korea Ph 82 2 3452 0400 FAX 82 2 3452 0490 Japan Teledyne LeCroy Japan Hobunsya Funchu Bldg 3F 3 11 5 Midori cho Fuchu Shi Tokyo 183 0006 Japan Ph 81 4 2402 9400 FAX 81 4 2402 9586 teledynelecroy com japan 924282 00 RevA WA TELEDYNE LECROY Everywhereyoulook Y 700 Chestnut Ridge Road Chestnut Ridge NY 10977 USA 800 Village Walk 316 e Guilford CT 06437 optix Ph 203 401 8093 Email orders to sales xsoptix com Fax orders to 800 878 7282 teledynelecroy com
23. name and contact number and a description of the defect or failure if possible Products returned to the factory require a Return Material Authorization RMA acquired by contacting your nearest Teledyne LeCroy sales office representative or the North America Customer Care Center NOTE It is important that the RMA be clearly shown on the outside of the shipping package for prompt redirection to the appropriate department 16 924282 00 Rev A Operator s Manual Return shipment should be prepaid Teledyne LeCroy cannot accept COD or Collect Return shipments We recommend air freighting Follow these steps for a smooth product return 1 Contact your local Teledyne Lecroy sales or service representative to obtain a Return Material Authorization 2 Remove all accessories from the probe Do not include the manual Pack the probe in its case surrounded by the original packing material or equivalent and box 4 Label the case with a tag containing The Name and address of the owner e Probe model and serial number e Description of failure 5 Package the probe case in a cardboard shipping box with adequate padding to avoid damage in transit 6 Markthe outside of the box with the shipping address given to you by the Teledyne Lecroy representative be sure to add the following e ATTN lt RMA assigned by the Teledyne Lecroy representative e FRAGILE Insure the item for the replacement cost of the probe If
24. nce For a setup where Ct 0 9 pF and a source resistance is 250 the measured rise time will be 0 495 ns which will correspond to a bandwidth of 909 MHz assuming no inductive loads tise 2 2x 0 9 x 10 12 x 250 0 495 ns Parallel combination of 250 and 1 is still 250 zc 250 T L 0 9 pF Source y 11 He je Example Probe input equivalent circuit Actual diagrams p 14 To illustrate the effect of capacitive loading at higher frequencies At a frequency of 750 MHz the reactance of the 0 9 pF capacitance is 236 O and at 1 0 GHz the reactance has been lowered to 177 If at a given frequency the source impedance is large with respect to the input impedance a measurable reduction in the output signal amplitude may occur out m ia where Zprobe is the probe s input impedance and Zsource is the source impedance For example At 750 MHz where the probe input impedance has reduced to 236 and a source resistance of 250 the probe output amplitude is reduced to Be oaan F oui 236 250 0 49 x V 924282 00 Rev A 13 ZS Series High Impedance Active Probes Probe Impedance and Equivalent Circuit ZS1x00 Impedance 1000000 100000 10000 1000 100 10 1kHz 100kHz 10MHz 1000MHz ZS1x00 Equivalent Circuit 100 100k 14 924282 00 Rev A Operator s Manual 252500 Impedance 1000000 100000 HH 10000 1000
25. nce verification procedure The numbers preceding the individual data records correspond to the steps in the procedure requiring the recording of data Results to be recorded in the column labeled Test Result are the actual specification limit check The test limits are included in all of these steps Other measurements and the results of intermediate calculations that support the limit check are to be recorded in the column labeled Intermediate Results 24 924282 00 Rev A Operator s Manual Tested Serial Number Technician Equipment Used Instrument Model Serial Number Calibration Due Date Funeton Generator Jo Test Record OUTPUT ZERO VOLTAGE Step Description Intermediate Data LF ATTENUATION ACCURACY Step Description Intermediate Data Measured Output Voltage top range Gain Error top range Test Limit 1 096 Gain Error top range Test Limit 1 096 924282 00 Rev A 25 ZS Series High Impedance Active Probes Reference Material Specifications Please refer to the Teledyne LeCroy website at teledynelecroy com for detailed specification information Certifications This section contains the instrument s Electromagnetic Compatibility EMC Safety and Environmental certifications EMC Compliance EC DECLARATION OF CONFORMITY EMC The probe meets intent of EC Directive 2004 108 EC for Electromagnetic Compatibility Compliance was demonstrate
26. o a circuit signal being tested Use only within operational environment listed Do not use in wet or explosive atmospheres Use indoors only Keep product surfaces clean and dry Be careful with sharp tips The tips may cause bodily injury if not handled properly Do not operate with suspected failures Do not use the probe if any part is damaged Cease operation immediately and sequester the probe from inadvertent use 924282 00 Rev A 1 ZS Series High Impedance Active Probes Operating Environment The accessory is intended for indoor use and should be operated in a clean dry environment Before using this product ensure that its operating environment is maintained within these parameters Temperature 5 to 40 C Humidity Maximum relative humidity 80 96 for temperatures up to 31 C decreasing linearly to 50 96 relative humidity at 40 C Altitude Up to 10 000 ft 3 048 m Introduction The 251000 251500 and ZS2500 are small high impedance active probe designed to meet today s increasing demand for measurements on a variety of test points With low input capacitance and high input resistance circuit loading is minimized The ZS2500 can be used with Teledyne LeCroy s WaveSurfer WaveRunner WavePro and WaveMaster series platforms with firmware version 6 5 0 5 or later With the ProBus interface the 251000 251500 and ZS2500 become an integral part of the oscilloscope The probe can be controlled from the o
27. or to give full available dynamic range up to 2 V div 16 V peak to peak Turning the channel Offset knob controls the probe input offset circuit over its range of 12 V Connecting the Probe to the Test Circuit To maintain the high performance capability of the probe in measurement applications care must be exercised in connecting the probe to the test circuit Increasing the parasitic capacitance or inductance in the input paths may introduce a ring or slow the rise time of fast signals Input leads which form a large loop area will pick up any radiated electromagnetic field which passes through the loop and may induce noise into the probe input Using one of the available accessories makes the ZS2500 probe with its small profile and low mass head ideally suited for applications in dense circuitry 10 924282 00 RevA Operator s Manual High Frequency Measurements Probe Input Loading When you touch a probe to the circuit under test the probe will affect your measurement because of the probe s input impedance introduced into the circuit All probes present resistive capacitive and inductive loading Inductive Loading Lead Length A significant element in this circuit is the inductance shown in the input ground leads of the oscilloscope probe Input inductance Input At Le Input capacitance I lt lt Input resistance Circuit KO X Y round 9 Ground lead inductance Example probe input equivalent c
28. scilloscope s front panel The oscilloscope provides power to the probe so there is no need for a separate power supply or batteries Key Benefits High frequency performance Low input capacitance Wide dynamic range e ProBus interface 2 924282 00 Rev A Operator s Manual Standard Accessories The 251000 251500 and 252500 probes are shipped with the following standard accessories Standard Accessory Quantity Replacement Part Number Channel ID Clips Set of 4 colors Certificate of Calibration ZS CC For part number information for standard and optional accessories refer to Care and Maintenance Replaceable Parts List 924282 00 RevA 3 ZS Series High Impedance Active Probes Features and Accessories The 251000 251500 and 2525005 probes are provided with numerous features and accessories to make probing and connecting to different test points easier than ever e The small low mass probe head is designed for ease of use and high performance e The probe tip socket fits easily onto 0 025 inch square pins for direct access to test points Several different adapters are available which connect directly in the probe socket e ground socket will accept several different ground leads to provide short ground path for high frequency performance E i as ds E ra E ig CM E 15 V ux T 196 2 m i
29. to the signal input and the black lead to the ground input of the probe head Connect the BNC tee to the output of the function generator Use a 50 termination if the function generator requires such a load Attach a BNC cable to the unused female port of the BNC tee and connect a dual banana plug adapter to the other end of the cable and plug the dual banana plug adapter into the DMM input Be sure the side of the banana plug adapter corresponding to the BNC shield marked GROUND is connected to the LOW or COMMON input of the DMM Set the DMM to read AC volt and set the range to measure 5 0 Vrms 924282 00 Rev A Operator s Manual 10 11 12 13 14 15 16 17 18 19 Set the mode of the function generator to sine wave the frequency to 70 Hz and the output amplitude to 5 Vrms 10 mV as measured on the DMM Record the output voltage to 1 mV resolution as Generator Output Voltage in the Test Record Be careful not to alter the output amplitude after the reading is recorded Divide the reading recorded in step B 7 by 10 and record the result with 100 UV resolution as Expected Output Voltage top range in the Test Record Remove the banana plug adapter connected to the function generator from the DMM and connect the precision 50 O terminator to the DMM making sure that the banana plug side marked GROUND is connected to the LOW or COMMON input of the DMM After the DMM reading has stabilize
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