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ATS660 User Manual

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1. Exiting API Panel Open the File menu and click on Exit ATS660 User Manual 53 API Panel screen is divided into five sections 1 2 3 4 5 Data Display Area Hardware Control Area Display Control Area Information Area Menu Area Information Area Data Display Area Menu Area p Ti ge Control System Specie esea ESI Gi Sel T SSS ea SEUI iv bra Suez Lr mva E i Range untz Pero Sur Za e BSE Range Ean EK Sho ing JAC EA coupling fac Z coping Level iMm z impedence from KE I Eoin Pelatonstip Mode Trigger Delay d IEE SE dio 7 D Display Control Area Hardware Control Area 54 ATS660 User Manual Data Display Area is an oscilloscope style grid of 8 vertical and 10 horizontal divisions By default all signals are overlapped with the zero level being the vertical mid point of the area Hardware Control Area provides the user complete control over the hardware parameters of the ATS660 API Panel also performs complete error checking on all user selections to make sure that only valid settings are passed on to the hardware The following controls are included in this area Sampling Clock Control This control is not available on Slave dig
2. MemoySize Statue Gre Num Or Recs eChannel Zea faveform Graph d al eti E erea Si m e Timestamp ck d Can add display of the delay between acquistion ATS660 User Manual 5 ATS Linux for ATS660 The ATS Linux for ATS660 can be used for programming the ATS660 under Linux operating system A binary driver is supplied that has been compiled for Kernel 2 6 running on an i386 platform Sample program is supplied in C The API is identical to the Windows API ATS660 User Manual Optional Upgrades AlazarTech offers the following upgrades and accessories for use with your ATS660 digitizer ATS660 External Clock Upgrade ATS660 Master Slave SyncBoard 2 position ATS660 Master Slave SyncBoard 4 position ATS660 Master Slave SyncBoard 8 position ATS660 8M to 128M Memory Upgrade ATS660 User Manual 7 Chapter 2 Installation and Configuration This chapter describes how to unpack install and configure your ATS660 8 ATS660 User Manual What You Need to Get Started To set up and use your ATS660 you will need the following e One or more ATS660 digitizers e ATS660 Install Disk e For Master Slave operation only SyncBoard of appropriate width SyncBoard 2X for up to 2 digitizers ATS660 User Manual 9 Syn
3. ATS660 User Manual 16 Bit 125 MS s Waveform Digitizer for PCI Bus Written for Hardware Version 1 1 October 2006 Edition Part Number 660 USR 1 Copyright 2006 AlazarTech All rights reserved AlazarTech Contact Information AlazarTech Inc 3551 St Charles Unit 640 Kirkland Quebec Canada H9H 3C4 Telephone 514 633 0001 Fax 514 633 0021 E mail info alazartech com Web site www alazartech com To comment on the documentation for ATS660 send e mail to support alazartech com Information required when contacting AlazarTech for technical support Owned by Serial Number Purchase Date Purchased From Software Driver Version SDK Version API Panel Version AlazarDSO Version Operating System ATS660 User Manual Important Information Warranty The ATS660 is warranted against defects in materials and workmanship for a period of one year from the date of shipment as evidenced by receipts or other documentation AlazarTech Inc will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and labor The media on which you receive AlazarTech Inc software are warranted not to fail to execute programming instructions due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation AlazarTech Inc will at its option repair or replace s
4. a pipelined ADC must also have a duty cycle close to 50 This maximizes the dynamic performance of the ADC See Fast External Clock section below for more details External clock input impedance is fixed at 50 Ohms External clock input coupling can be set to AC or DC under software control There are three types of External Clock supported by ATS660 e Fast External Clock e Slow External Clock e 10 MHz Clock Reference The following paragraphs describe the three types of External Clock input and outline the restrictions on each of them 46 ATS660 User Manual Fast External Clock This setting must be used when the external clock frequency is in the range of 1 MHz to 125 MHz The frequency can change from one cycle to the next as long as it stays within this range It is highly recommended that the external clock signal have a duty cycle of 50 5 If the External Clock supplied is lower than 1 MHz measurement quality will be compromised Measurement errors may include gain errors signal discontinuities and general signal distortion If you want to clock slower than the lower limit of Fast External Clock you must use the Slow External Clock range Slow External Clock This setting must be used when the external clock frequency is slower than the lower limit of Fast External Clock In this range the input clock is tracked by the 125 MHz internal clock and a sample is taken on every rising or falling clock e
5. benign apparatus or cables To obtain the DoC for this product click Declaration of Conformity at http www alazartech com support documents htm This web page lists all DoCs by product family Select the appropriate product to download or read the DoC Certain exemptions may apply in the USA see FCC Rules 15 103 Exempted devices and 15 105 c Also available in sections of CFR 47 The CE Mark Declaration of Conformity will contain important supplementary information and instructions for the user or installer ATS660 User Manual v Table of Contents CHAPTER 1 INTRODUCTION rss 1 About Your AT S660 uraza iera 2 Acquiring Data with Your ATZEEUN rrura 3 Interactively Controlling your ATS660 with API ESS rss 4 ATS2SDK API AAA 5 ATSV BINAKA 5 ATS Linux for ATS660 rrura 6 Optional alasa 7 CHAPTER 2 INSTALLATION AND CONFIGURATION 8 What You Need to Get GSren 9 UNPACKING AAO 11 Installing the ATZDRD sutu iada ener 12 Installing the ATS660 in a Linux System 25 Compiling the ATS660 Linux Driver rrura 26 Configuring Internet Security and Virus Protection Software to Allow Proper Operation of ATS Class Digitizers rrura 27 Updating ATS660 Driver rss 29 CHAPTER 3 HARDWARE OVERVIEW rss 31 Jaiei egiela euala 32 Signal CONNECTIONS raa 33 Lula Mae 34 Pipelined AD etzie sive cacti etn ia deiadar 35 Pre Trigger Multiple Record Acquisition rra 35 Specifying Record Length rra 35 Specifying Pretrigger DOE 3
6. configured as a Master Slave system Good Installation Bad Installation e You must connect the appropriate SyncBoard to all of the ATS660 digitizers in your system Note that all SyncBoards are polarized so you cannot make a mistake in inserting them e If you are using fewer than the maximum number of digitizers allowed by the SyncBoard make sure that the connector labeled M Master on the SyncBoard is connected to one of the ATS660 digitizers Any over hang of the SyncBoard should be beyond the last slave board in your system ATS660 User Manual 4B The presence of a SyncBoard is detected by the ATS660 driver when the ATSApi DLL is loaded This DLL gets loaded when you run any application program written for ATS660 Examples of such application programs are API Panel one of the sample programs supplied with ATS SDK or ATS VI or any custom software written using ATS SDK or ATS VI If you run API Panel or your own software that loads the ATSApi DLL after having installed a SyncBoard the ATS660 driver will automatically recognize that the digitizers are now configured as Master Slave As such there is no need to have your hardware upgraded or modified in any way to go from a set of independent boards to Master Slave and vice versa 44 ATS660 User Manual HyperDisP Display Technology ATS660 uses proprietary HyperDisP technology to allow the user to display datasets as long as 128 Million points in a few se
7. of communications DOC of Industry Canada regulates wireless interference in much the same way Digital electronics emit weak signals during normal operation that can affect radio television or other wireless products By examining the product you purchased you can determine the FCC Class and therefore which of the two FCC DOC Warnings apply in the following sections Some products may not be labeled at all for FCC if so the reader should then assume these are Class A devices FCC Class A products only display a simple warning statement of one paragraph in length regarding interference and undesired operation Most of our products are FCC Class A The FCC rules have restrictions regarding the locations where FCC Class A products can be operated FCC Class B products display either a FCC ID code starting with the letters EXN or the FCC Class B compliance mark Consult the FCC web site http www fcc gov for more information FCC DOC Warnings This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the instructions in this manual and the CE Mark Declaration of Conformity may cause interference to radio and television reception Classification requirements are the same for the Federal Communications Commission FCC and the Canadian Department of Communications DOC Changes or modifications not expressly approved by AlazarTech Inc could void the user s authority to op
8. 00 or 8 000 000 Record Length 16 or for the 8M version and lower of 256 000 or 128 000 000 Record Length 16 for the 128M model If any settings are found to be illegal an error message is generated and the user is asked to enter the selections again 58 ATS660 User Manual Display Control Area allows the user to select the View Record and the display timebase It also displays the 40 bit timestamp for the record selected This area also includes the Start Stop and Force Trigger command buttons A Trigger indicator is also included in this area The user is not allowed to set View Record to be greater than the number of records captured Note that API Panel checks View Records against the number of records captured in the last capture and not the current selection of Number of Records to Capture field in the Acquisition Memory Control section This feature is very useful if you are capturing signals using One Shot trigger mode The minimum setting of the timebase depends on the sampling clock frequency The timebase limits are given by Minimum Timebase 1 fz where f is the frequency of the sampling clock Maximum Timebase 2 Record Length 1 f 10 In other words the user is not allowed to set a timebase that results in displaying less than 10 points or more than 200 of record length The 40 bit timestamp is displayed as a 40 bit hexadecimal number Each count of the timestamp corresponds to
9. 0KHz 65 MHz 1dB from DC to 10 MHz with DC coupling 1dB from 50Hz to 10 MHz with AC 1 MQ 1dB from 200 KHz to 10 MHz with AC 509 20 MEZ typical Software selectable for each input channel independently 2 simultaneously sampled 125 MS s single shot internal clock 130 MS s single shot external clock 1 KS s single shot internal clock 1 MS s single shot Fast External Clock 200mV 400mV 800mV 2V 4V GON and 16V software selectable 200mV 400mV 800mV 2V and 4V software selectable 2 of full scale in all input ranges AC or DC software selectable 509 or 1MQ 1 in parallel with 30 pF 10pF software selectable 28V DC peak AC for CH A CH B and EXT only without external attenuation 5V DC peak AC for CH A CH B and EXT only without external attenuation Amplifier Bypass Mode DIP Switch Selectable Input Range Input Coupling Input Impedance Input Bandwidth 3dB Yes independently for each channel Approximately 550 mV rms DC irrespective of input coupling setting for the channel 50 Q irrespective of input impedance setting for the channel 85 MHz ATS660 User Manual 63 Acquisition Memory System Acquisition Memory channel For ATS660 8M Up to 8 000 000 samples per channel standard For ATS660 128M Up to 128 000 000 samples per channel standard Record Length Software selectable with 16 point resolution Record length must be a minimum of 128 po
10. 2 sample clocks This count is initialized to zero when the software instructs the ATS660 to start acquiring data and start looking for a trigger ATS660 User Manual 59 Information Area displays all the AlazarTech systems installed on the computer This information is displayed in an Explorer like tree structure By expanding any System users can check how many digitizers are included in the system and whether they are ATS660 or another type of digitizer Users can also expand each digitizer to see how many input channels that digitizer provides When one of the channels is selected by clicking the left button of the mouse on the channel name the vertical scrolling slider is activated for that channel User can also enable or disable the displaying of a particular channel by right clicking on that channel 60 ATS660 User Manual Menu Area provides the standard Windows menus File menu allows the user to save acquired signals as comma separated ASCII values or FlexPro compatible ASCII files Select Exit command from the file menu to terminate API Panel Preferences menu allows the user to select whether the individual points should be displayed as circles or they should be connected by a straight line A Find Trigger command is also provided to make it easy to scroll back to the trigger point Help menu allows the user to check which version of API Panel ATS660 driver and SDK are being used This feature
11. 6 Specifying Record Count rra 36 Amplifier Bypass OOIO rss 37 Calibration E 41 Master Slave Operation rra 42 e a a EE EE T E ET 43 HyperDisP Display Technology rra 45 Optional External Clock rra 46 Fast External Clocks AE 47 Slow External Oketa Eat aaria ataraten 47 10 MHZ Clock Reference rss 47 Optional Dual Port Memory amp AUDGDMA rss 48 The Effects of the Operating System rra 48 Real Time Operating Systems ss 49 D al P r NGIODD errezita ae aera 50 AutoDMA for PRF Captures and Streaming Applications 51 CHAPTER 4 USING API PANEL SOFTWARE ssccseeeeessereeeees 53 APPENDIX A SPECIFICA IONS rss 62 vi ATS660 User Manual Chapter 1 Introduction This chapter describes the ATS660 and lists additional equipment ATS660 User Manual 1 About Your ATS660 Thank you for your purchase of an ATS660 The ATS660 PCI based waveform digitizer has the following features Two 16 bit resolution analog input channels Real time sampling rate of 125 MS s to 1 KS s e 8 Million samples of onboard memory per channel standard Optional 128 Million samples of on board memory per channel 65 MHz analog input bandwidth e DIP switch selectable Amplifier Bypass Mode for optimum signal integrity Dual Port Memory e Half length PCI bus card Analog trigger channel with software selectable level and slope Software selectable AC DC coupling and 1MQ 50Q input impedance Sof
12. ILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM ALAZARTECH INC s TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE ALAZARTECH INC PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY ALAZARTECH INC THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF ALAZARTECH INC PRODUCTS WHENEVER ALAZARTECH INC PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION ATS660 User Manual iii Compliance FCC Canada Radio Frequency Interference Compliance Determining FCC Class The Federal Communications Commission FCC has rules to protect wireless communications from interference The FCC places digital electronics into two classes These classes are known as Class A for use in industrial commercial locations only or Class B for use in residential or commercial locations Depending on where it is operated this product could be subject to restrictions in the FCC rules In Canada the Department
13. ITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF ALAZARTECH INC SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER ALAZARTECH INC WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of AlazarTech Inc will apply regardless of the form of action whether in contract or tort including negligence Any action against AlazarTech Inc must be brought within one year after the cause of action accrues AlazarTech Inc shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the AlazarTech Inc installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonable control Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of AlazarTech Inc Trade
14. Note that AlazarDSO has been compiled using GTK 2 4 libraries If you intend to use an operating system other than Fedora Core 4 make sure that the GTK 2 4 libraries have been installed on your machine ATS660 User Manual 25 Compiling the ATS660 Linux Driver If you need to compile the ATS660 driver for a version of Linux other than Fedora Core 4 follow the following steps 1 Install the Linux kernel header files 2 Extract the driver sources using the command tar xvfz PlxLinux 2006 01 10 tgz This will create a folder named PlxLinux with the driver files inside 3 Set the shell environment variable PLX_SDK_DIR to the root location where the PlxLinux directory was created For example if using bash and the PlxLinux directory is in your home directory then add the following line to the bashrc declare x PLX_SDK_DIR HOME PIxLinux 4 To build the ATS660 driver type cd PlxLinux linux driver builddriver 660 This will create the file Pci9056 ATS660 ko the loadable driver file You can change build defines in PlIxLinux linux makefiles Gcc def Copy the driver to usr local AlazarTech bin 5 Load the driver by rebooting the computer or typing cd usr local AlazarTech bin ATS660 rc start The customer should be able to run the AlazarDSO application or Acq2Disk sample in usr local AlazarTech samples AT S660 6 If it is necessary to rebuild the library type cd PlxLinux linux api make This will creat
15. cBoard 4X for up to 4 digitizers SyncBoard 8X for up to 8 digitizers SyncBoard460 8X ATS660 User Manual Unpacking Your digitizer is shipped in an antistatic package to prevent electrostatic damage to the digitizer Electrostatic discharge can damage several components on the digitizer To avoid such damage in handling the digitizer take the following precautions Ground yourself via a grounding strap or by holding a grounded object Touch the antistatic package to a metal part of your computer chassis before removing the digitizer from the package Remove the digitizer from the package and inspect the digitizer for loose components or any other sign of damage Notify AlazarTech if the digitizer appears damaged in any way Do not install a damaged digitizer into your computer Never touch the exposed pins of the connectors ATS660 User Manual 11 Installing the ATS660 There are four main steps involved in installation 1 Physically install the digitizer s and SyncBoard if any in your computer 2 Install ATS660 software driver when prompted by the operating system 3 Install API Panel software that allows you to setup the hardware acquire signals and view and archive them 4 Optionally install the ATS SDK software development kit or ATS VI LabVIEW VI or ATS Linux Linux drivers which enable you to programmatically control the ATS660 The following paragraphs will guide you through this pro
16. cess in a step by step manner 12 ATS660 User Manual 1 Physically install the digitizer in your computer Make sure that your computer is powered off before you attempt to insert the ATS660 digitizer in one of the free PCI slots For best noise performance leave as much room as possible between your ATS660 and other hardware f Always screw the digitizer bracket to the chassis in order to create a stable and robust connection to chassis ground In the absence of such a connection ATS660 is not guaranteed to operate within the specifications listed elsewhere in this manual ATS660 User Manual 13 For Master Slave Installation If you are installing multiple ATS660 digitizers that will be configured as a Master Slave system make sure that you insert all cards in adjacent slots The connector on the SyncBoard that is labeled as M Master must be inserted into the Master Slave connector of the left most digitizer if you are facing the BNC connectors of the ATS660 digitizers ATS660 User Manual If you are installing fewer than the maximum number of digitizers supported by your SyncBoard the unused SyncBoard connectors must be on the right hand side of the digitizers if you are facing the BNC connectors of the ATS660 digitizers Once you have completed this step you should power the computer on ATS660 User Manual 15 2 Install ATS660 software driver when prompted The follo
17. conds This provides the user with instantaneous feedback on the screen compared to many tens of seconds or even minutes it may take with other product on the market Displaying large datasets under Windows is difficult to say the least The first problem is that Windows does not like to allocate large data buffers This implies that a large data buffer will inevitably thrash to disk slowing down display processing Secondly standard Windows draw routines are not optimized for large datasets and slow down the display even if the data does not thrash to disk HyperDisP is a proprietary hardware technology contained in the ATS660 that reduces large datasets to a more manageable size without losing any of the information contained in the signal In other words HyperDisP enables fast screen updates not by simply skipping data points but by doing data processing on every captured point and mapping it to one of the screen pixels ATS660 User Manual 45 Optional External Clock ATS660 PCI Digitizer optionally allows you to supply the ADC clock This option is extremely important in many RF applications in which phase measurements must be made between the inputs themselves or between the inputs and an external event Driving high performance ADCs must be done carefully as any injection of phase jitter through ADC clocks will result in reduction in data conversion quality Aside from phase noise the clock signal for
18. dge As such there will be a timing error of 0 to 8 nanoseconds For low bandwidth signals this error can be considered to be negligible Note that if you use Slow External Clock and your clock frequency is higher than 10 MHz you may see significant signal distortion 10 MHz Clock Reference ATS660 allows the user to synchronize the sampling clock to an external 10 MHz reference signal This is useful in many RF applications Reference clock frequency must be 10 MHz 0 5 MHz It should be noted that the user can set the sampling frequency from 100 MHz to 130 MHz with 1 MHz resolution ATS660 User Manual 47 Optional Dual Port Memory amp AutoDMA One of the most unique features of the ATS660 is its dual port memory and the associated AutoDMA mechanism of transferring data to host PC memory without any appreciable in process software involvement These features are particularly useful for applications that require a Continuous gapless data capture Also known as Data Streaming to PC host memory or hard disk or b Data capture from rapidly occurring triggers also known as Pulse Repeat Frequency Captures or PRF Captures In order to understand these sophisticated features let us first review some of the issues involved in transferring data under Windows or Linux operating systems The Effects of the Operating System Windows and Linux are not real time operating systems i e the operating sys
19. e SharedLibrary libPIxApi so 0 0 Copy the file to usr local AlazarTech lib and then run Idconf 26 ATS660 User Manual Configuring Internet Security and Virus Protection Software to Allow Proper Operation of ATS Class Digitizers Some of the recent releases of internet security and virus protection software packages such as Norton Anti Virus disable any unused parallel or serial ports as well as any PCI devices that have not been assigned to a software application by the user Users of AlazarTech PCI digitizers must configure their security software to allow access to the PCI digitizers The problem exhibits itself as a blue screen crash anda STOP Error Typically this error message is STOP 0x0000000A 0x00000016 0x0000001C 0x00000000 0x804E5DEB For more details on this problem with anti virus software packages refer to the technical note on Microsoft s support site http support microsoft com kb 892000 EN US Also refer to the knowledgebase article on Symantec s web site http service1 symantec com SUPPORT sharedtech nsf 0 26 71ef6e5d72d3cd88256d26006699d5 OpenDocument This article explains that the root of the problem is one of the files updated by the Symantec anti virus software Symantec suggests that users should upgrade their internet security software using Live Update but our customers experience has been that this does not always work ATS660 User Manual 27 The solution tha
20. e the DIP Switch setting of the Near and Far switches for that particular channel to be as shown below ON To re insert the input amplifier in the signal path i e to remove Amplifier Bypass Option change the DIP Switch setting of the Near and Far switches for that particular channel to be the same as the factory set default ON NOTE THAT ANY SETTINGS OTHER THAN THE ONES SHOWN ABOVE ARE ILLEGAL AND MAY CAUSE DAMAGE TO THE ATS660 ANALOG CIRCUITRY 40 ATS660 User Manual Calibration Calibration is the process of minimizing measurement errors by making small circuit adjustments All ATS660 digitizers come factory calibrated to the levels indicated in Appendix A Specifications Note that AlazarTech calibration is fully NIST traceable However your digitizer needs to be periodically recalibrated in order to maintain its specified accuracy This calibration due date is listed on the CALIBRATION sticker affixed to your ATS660 digitizer Externally recalibrate the ATS660 when this calibration interval has expired This requires three very simple steps 1 Verify whether or not ATS660 is still within its specifications If it is then your calibration can be extended by another one year period 2 If not perform calibration i e make adjustments to the circuit until it is within specifications again 3 If any adjustments have been made verify if the ATS660 is within specifications Verification and Calibration pr
21. e values are used for all records captured in that session Pretrigger depth can be a minimum of 0 points and can be specified with a 16 sample resolution up to a maximum of Record Length 64 Specifying Record Count User can specify the number of records that must be captured into on board acquisition memory in one acquisition session The minimum value must be 1 and the maximum value is given by Max Records Per Channel Memory Record Length 16 e Note that this limit does not apply if you are using dual port memory and AutoDMA to transfer data to PC host memory while you are acquiring data In that case you can capture an infinite number of records 36 ATS660 User Manual Amplifier Bypass Option ATS660 includes the capability to bypass the input amplifier in order to maximize dynamic performance ATS660 allows the user to set and reset the Amplifier Bypass Option using on board DIP switches The user can bypass the amplifier on any one or both channels of ATS660 The following picture of the secondary side of ATS660 board shows the location of four DIP switches used for this purpose 2 DIP switches per channel www pol digitizers com a SE G mv a es EEA fd I ESO gn 7 a peda ZO Bk ler Ee HZ KIT EZI Jar e Ser SEE R94 e E Ee E mu REH IE g mm IE mig 2 l Eb d dk i ee GZ C d de Zo PE ZZ er ma ere BR 9332
22. erate the equipment under the FCC Rules Class A Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canadian Department of Communications This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada iv ATS660 User Manual Compliance to EU Directives Readers in the European Union EU must refer to the Manufacturer s Declaration of Conformity DoC for information pertaining to the CE Mark compliance scheme The Manufacturer includes a DoC for most every hardware product except for those bought for OEMs if also available from an original manufacturer that also markets in the EU or where compliance is not required as for electrically
23. ert the ATS SDK or ATS VI CD Software installation will start automatically If for any reason installation does not start automatically run the SETUP EXE program Follow the instructions on the screen Note that you must have already installed the ATS660 drivers for any of the sample programs included with the ATS SDK or ATS VI to work properly 24 ATS660 User Manual Installing the ATS660 in a Linux System ATS660 is fully compatible with the popular Linux operating system AlazarTech supplies binary Linux drivers that have been compiled for Fedora Core 4 kernel 2 6 Customers who require drivers for another version of Linux must contact the factory to obtain source code for the drivers requires a Non Disclosure Agreement AlazarTech will not provide software support for compiling drivers for other versions of Linux i e customers will be fully responsible for compiling drivers for their own Linux operating system To install Linux drivers in a Fedora Core 4 system follow the instructions listed below 1 Copy the supplied RPM file to the target machine 2 Double click on the RPM icon This will install the driver as well as associated applications 3 Reboot the PC Note that if you do not reboot the PC the driver will not be loaded The RPM file will also install an application called AlazarDSO This is a Graphical User Interface GUI using which you can setup and acquire data from the ATS660
24. es 5 of full scale input typical 10 of full scale input range This implies that the trigger system may not trigger reliably if the input has an amplitude less than 10 of full scale input range selected 10 typical of full scale input range of the selected trigger source ATS660 User Manual 65 Bandwidth 65 MHz Trigger Delay Software selectable from 0 to 9 999 999 sampling clock cycles Trigger Timeout Software selectable with a 10 us resolution Maximum settable value is 3 600 seconds Can also be disabled to wait indefinitely for a trigger event EXT External Trigger Input Input impedance 1 MQ in parallel with 30pF 10pF Bandwidth 3dB DC coupled DC 25 MHz AC coupled 10 Hz 25 MHz Input range 5V or 1V software selectable DC accuracy 10 of full scale input Input protection 28V DC peak AC without external attenuation Coupling AC or DC software selectable Auxiliary I O AUX I O Signal Direction Input or Output software selectable Output by default Output Types Trigger Output Busy Output Software controlled Digital Output Input Types Trigger Enable Software readable Digital Input Output Amplitude 5 Volt TTL Synchronization Synchronized to rising edge of sampling clock Input Amplitude 5 Volt TTL or 3 3 Volt TTL Certification and Compliances CE Mark Compliance Materials Supplied One ATS660 Digitizer One ATS660 Install Disk CD One ATS660 User Manual All s
25. g has shown that this latency protection is insufficient for screen updates and disk accesses An ATS660 128M transferring across the bus at 50 MS s 100 MB s provides latency protection of 128MS 50 MS s 2 5 seconds e f very fast PCI transfer rates are required e g 100 MB s it is highly recommended that ATS660 128M be used as it would give 2 5 seconds of latency protection even in the worst case Note that if the PCI Transfer Rate is too high for AutoDMA to keep up a DMA_OVERFLOW flag gets set and is available to the programmer Consumption of the captured data is of course under the control of user created software and it is this that will determine the maximum PRF instead of the bus throughput 52 ATS660 User Manual Chapter 4 Using API Panel Software This chapter provides a Quick Start Guide to the API Panel software supplied with your ATS660 API Panel Installation For installing API Panel software refer to the installation section of this manual Launching API Panel You can launch API Panel by the following two methods 1 By double clicking on the API Panel desktop icon 2 By running Start Programs AlazarTech API Panel You will hear the clicking of some on board relays as API Panel initializes the hardware and places it in a known state Then the API Panel screen will be displayed Note that no signals will be displayed until you click on the Start button
26. g the data from on board acquisition memory ATS660 s proprietary AutoDMA feature allows the acquisition system to be re armed by a hardware command and data transfer to be initiated by the hardware itself thus removing virtually all in process software involvement ACQUIRE ACQUIRE ACQUIRE TRANSFER TRANSFER Of course software still has to set up the DMA when one of the buffers fills up but that can be done fairly quickly and the on board memory acts as a very deep FIFO to accommodate this latency The maximum latency that can be handled by the ATS660 is given by ACQUIRE TRANSFER Latencymax On Board Memory PCI Transfer Rate Where PCI Transfer Rate is the effective rate at which data is being transferred across PCI bus For example if the trigger repeat rate is 8 KHz and Record Length is 4096 samples and only one channel is being captured then PCI Transfer Rate is 8 KHz 4096 approximately 32 MS s or 64 MB s ATS660 User Manual 51 For streaming applications PCI Transfer Rate is equal to the sample rate set by the user An ATS660 8M transferring across the bus at 5 MS s 10 MB s provides latency protection of MS 5MS s 1 6 seconds This is usually sufficient for most Windows related latencies including disk accesses screen updates etc An ATS660 8M transferring across the bus at 50 MS s 100 MB s provides latency protection of only 8MS 50MS s 160 milliseconds Testin
27. g to capture In Normal Trigger mode the trigger system waits indefinitely for trigger to occur No software triggers are generated Once the required number of trigger events has occurred data is displayed and the ATS660 is re armed to capture data again This mode is usually employed for capturing transient signals that occur repeatedly In Single Shot mode the trigger system waits indefinitely for one single record capture or more multiple record capture trigger events Once all triggers have occurred data is captured and displayed and no further acquisitions are allowed Acquisition Memory Control This control is not available on Slave digitizers API Panel allows the user to set Record Length Pre Trigger Depth and Number of Records to Capture If the Modify button is clicked a dialog box appears that lets the user set Record Length Pre Trigger Depth and Number of Records to Capture API Panel checks for all dependencies between these three settings and then sets them on the hardware Verification of the settings is done based on the following dependencies e Record Length must be a minimum of 128 points ATS660 User Manual 57 e Record length must not exceed 8 000 000 points for the 8M model or 128 000 000 points for the 128M model e Record length must be a multiple of 64 points e Pre Trigger Depth must not exceed Record Length 64 e Number of Records to Capture must not exceed the lower of 256 0
28. ints Maximum record length is limited by the acquisition memory per channel Number of Records Software selectable from a minimum of 1 toa maximum of 256 000 or Acquisition Memory Per Channel Record Length 16 whichever is lower Pre trigger depth 0 to Record Length 64 software selectable with 16 point resolution Post trigger depth Record Length Pre trigger depth Timebase System Timebase options Internal Clock or External Clock Optional Internal Sample Rates 125 MS s 100 MS s 50 MS s 20 MS s 10 MS s 5 MS s 2 MS s 1 MS s 500 KS s 200 KS s 100KS s 50 KS s 20KS s 10KS s 5 KS s 2 KS s 1 KS s Internal Clock accuracy 25 ppm Dynamic Parameters Typical values measured using a randomly selected ATS660 with Amplifier Bypass Mode Input was provided by a HP8656A signal generator followed by a 9 pole 1 MHz band pass filter TTE Q36T 1M 100K 50 720B Input frequency was set at 1 MHz and output amplitude was 520 mV rms which is approximately 95 of the 550 mVrms full scale input in Amplifier Bypass Mode SNR 72 9 dB SINAD 72 3 dB THD 83 2 dB SFDR 82 7 dB Note that these measurements were made using raw data no signal averaging was used to artificially improve the results Further note that these dynamic parameters may vary from one unit to another with input frequency and with the full scale input range selected 64 ATS660 User Manual Optional ECLK External Clock Input Signal Leve
29. ion The ATS660 allows the capture of multiple records into the on board memory This allows you to capture rapidly occurring triggers in lightning test ultrasound or radar applications Unlike other digitizers on the market users are allowed to acquire both pre and post trigger data when acquiring more than one record in an acquisition session This feature can be very useful in lightning test power line monitoring and other applications that feature rapidly occurring transient signals Specifying Record Length Record Length is specified in number of sample points It must be a minimum of 128 points and can be specified with a 16 sample resolution up to a maximum of the per channel on board memory Record Length thus specified determines the maximum number of records you can capture in one acquisition session The relationship is given by Max Records Per Channel Memory Record Length 16 Note that unlike other products in its class ATS660 allows you to capture multiple records into the on board memory without requiring software assisted re arming of the digitizer ATS660 User Manual 35 Specifying Pretrigger Depth ATS660 acquires a certain number of samples called the pretrigger depth before it allows the trigger circuitry to operate thereby guaranteeing that the required number of sample points will be captured before trigger occurs User is allowed to set pretrigger depth for an acquisition session Sam
30. is very useful for technical support ATS660 User Manual 61 Appendix A Specifications This appendix lists the specifications of the ATS660 These specifications are typical at 25 C unless otherwise stated The operating temperature range is 0 to 50 C System Requirements Pentium based computer with at least one free PCI slot 128 MB RAM 20 MB of free hard disk space SVGA display adaptor and monitor with at least an 800 x 600 resolution API Panel requires Internet Explorer 5 0 or higher Power Requirements 5V Physical Size Weight IO Connectors ECLK CHA CHB TRIG IN AUX I O Environmental Operating temperature Storage temperature Relative humidity 2 5 A typical for ATS660 8M 3 0 A typical for ATS660 128M 5V voltage level must remain between the range of 4 75V to 5 20V at all times after power on Single slot half length PCI card 4 2 inches x 7 2 inches 500 g SMA female connector BNC female connectors 0 to 55 C 20 to 70 C 5 to 95 non condensing 62 ATS660 User Manual Acquisition System Resolution Bandwidth 3dB DC coupled 1MQ DC coupled 500 AC coupled 1MQ AC coupled 509 Bandwidth flatness Bandwidth Limit Number of channels Maximum Sample Rate Minimum Sample Rate Full Scale Input ranges 1 MQ 50 Q DC accuracy Input coupling Input impedance Input protection 1MQ GUO 16 bits DC 65 MHz DC 65 MHz 10 Hz 65 MHz 10
31. isable Range SIN eee way Ey E Slope Positive Slope Positive Zk Coupling JAC E Coupling AC Coupling Level 0 x Level 0 E Impedance 1 MOhm impedance D MOhm lt ec Y Engine Relationship Mode Trigger Delay ORY SI Jute E 0 API Panel has been designed to be very intuitive and uses a user interface similar to most of today s digital oscilloscopes 4 ATS660 User Manual ATS SDK API The ATS SDK API is used for programming the ATS660 in C C or Visual BASIC It provides the exact same API that is used for writing API Panel software To help you get started ATS SDK comes with examples you can use or modify c ERA B fie Edt View Inset Project Buld Tooke Hetaz Window Help la x esrtas id ics EEAO EO Hla C Resource Fies E Alazar Fies E Alazarpih E AlazarCmdh E AlazarE noth DUESO E ReadMe 8 External Dependencies leie mA ClassView E FieView lu i E dd e EO EEN ea Debug Findin Fleet Find Fez I Ready ESTE Ee Gte zeni ATS VI LabVIEW VI ATS VI allows you to integrate the ATS660 into your own LabVIEW program A high level VI is supplied that requires very few controls to get started Saien Diagra Ele Edt Operate Tools Browse window Help E x Bi
32. itizers The Clock Source drop down selection allows the user to select between the internal clock oscillator and the optional ECLK input The Sample Rate field selects the specified sampling rate when Internal Clock is selected Note that If External Clock is selected the Sample Rate field causes the digitized data to be decimated based on the ratio of the sample rate to 100 MHZ i e if user selects 20 MS s sample rate after having selected External Clock API Panel will decimate the digitized data by a factor of 100 MS s divided by 20 MS s 5 Clock Edge field allows the user to specify either the rising or the falling edge of the clock for sampling While it has very little meaning for Internal Clock this can be a very useful feature if External Clock is selected Decimation Ratio field is reserved for future use ATS660 User Manual 55 Channel A Input Control API Panel allows the user to set the vertical scale input coupling and input impedance for Channel A Note that the full scale input range is defined as being 4 divisions Therefore a vertical scale of 250 mV div results in full scale input range of 1V Further note that API Panel does not allow the user to set a vertical scale greater than 1 V div 4 V full scale if 50Q input impedance is selected for Channel A Channel B Input Control API Panel allows the user to set the vertical scale input coupling and input impedance for Channel B Note
33. l Input impedance Input Coupling Maximum frequency Fast External Clock Slow External Clock 10 MHz Clock Reference Minimum frequency Fast External Clock Slow External Clock 10 MHz Clock Reference Decimation factor Sampling Edge Sample Rates Available With 10 MHz Clock Reference Triggering System Mode Number of Trigger Engines Trigger Engine Combination Trigger Engine Source Hysteresis Trigger sensitivity Trigger level accuracy LVTTL levels or 200 mV sine wave 50Q AC or DC software selectable 125 MHz with 50 5 duty cycle 10 MHz with minimum positive or negative pulse width of 10 ns 10 5 MHz 1 MHz with 50 5 duty cycle DC 9 5 MHz Software selectable from 1 to 100 000 Fixed to 1 for Slow External Clock Rising or Falling software selectable 100 MS s 101 MS s 102 MS s 103 MS s 104 MS s 105 MS s 106 MS s 107 MS s 108 MS s 109 MS s 110 MS s 111 MS s 112 MS s 113 MS s 114 MS s 115 MS s 116 MS s 117 MS s 118 MS s 119 MS s 120 MS s 121 MS s 122 MS s 123 MS s 124 MS s 125 MS s 126 MS s 127 MS s 128 MS s 129 MS s 130 MS s Note that the accuracy and stability of these sampling frequencies is dependent on the accuracy and stability of the 10 MHz Clock Referece input supplied by the user Edge triggering with fixed hysteresis 2 OR AND XOR software selectable CH A CH B EXT Software or None independently software selectable for each of the two Trigger Engin
34. l waveforms in software For accurate measurements make sure the signal being measured is referenced to the same ground as your ATS660 by attaching the probe s ground clip to the signal ground The EXTernal Trigger input labeled TRIG IN has a programmable input range of 5 V or 1 V The CH A CH B and EXT inputs have a software programmable coupling selection between AC and DC Use AC coupling when your AC signal contains a large DC component Without AC coupling it is difficult to view details of the AC component with a large DC offset and a small AC component such as switching noise on a DC supply If you enable AC coupling you remove the large DC offset for the input amplifier and amplify only the AC component This technique makes effective use of dynamic range to digitize the signal of interest The low frequency corner in an AC coupled circuit is the frequency below which signals are attenuated by at least 3 dB The low frequency corner is approximately 10 Hz with 1 MQ input impedance and 100 KHz with 50Q input impedance 34 ATS660 User Manual Pipelined ADC Each of the two ADCs on the ATS660 is a pipelined flash converter with a maximum conversion rate of 130 MS s If you use an external clock you must provide a free running clock to ensure reliable operation You also must follow all the timing specifications on the external clock as described in Appendix A Specifications Pre Trigger Multiple Record Acquisit
35. marks AlazarTech Inc AlazarTech alazartech com ATS ATS660 API Panel are trademarks of AlazarTech Inc Product and company names mentioned herein are trademarks or trade names of their respective companies ii ATS660 User Manual Warning Regarding Use of AlazarTech Products 1 ALAZARTECH INC PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BOD
36. ng the Found New Hardware Wizard message Click Finish ATS660 User Manual Installing ATS660 Driver In Windows XP Before proceeding make sure that you have sufficient administrative rights to install device drivers on your computer Typically you should be the Administrator for the computer you are installing device drivers on When you first plug in an ATS660 digitizer into a computer the plug n play Windows XP operating system will detect the presence of a new PCI card and ask you to provide the device driver a Operating System will display the Welcome to the Found New Hardware Wizard Click on the radio button next to the text Install from a list or specific location Advanced Click Next Operating System will display the Please choose your search and installation options dialog box Click on the radio button next to the text Don t search will choose the driver to install Click Next Operating system will display the Hardware Type dialog box Select System devices Operating system will display the Select the device driver you want to install for this hardware dialog box Click on Have Disk Operating system will display the Install from Disk dialog box ATS660 User Manual 21 Make sure the path points to D or wherever the ATS660 INF file resides If you are using a floppy disk or a CD make sure the disk is inserted in the drive Click OK Operating system will display the Select
37. ocedures are available to all registered users of ATS660 upon request ATS660 User Manual 41 Master Slave Operation You can use two or more ATS660 digitizers in one system to increase the number of channels for your application by synchronizing digitizers using the appropriate SyncBoard Currently up to 16 channel 8 board systems are supported for ATS660 For higher channel counts contact the factory for special system configuration Unlike other products on the market ATS660 does not suffer from clock jitter between master and slave digitizers The unique design of the ATS660 clock circuit provides a buffered copy of the Master digitizer s clock to itself and all the slave digitizers thereby maintaining a very low skew between Master and Slave digitizer clocks Note that an ATS660 Master Slave system is capable of triggering from any one of its input channels This is valuable in multi channel detector applications that cannot predict the input channel that is going to receive the first pulse With fully synchronous A D conversion arming and triggering an ATS660 based Master Slave system is an ideal multi channel transient analyzer 42 ATS660 User Manual Restrictions To ensure proper master slave operation of your ATS660 digitizers you must observe the following restrictions e AI Master Slave digitizers must be installed in adjacent slots i e there should be no gap between the digitizers that are to be
38. oftware media that do not execute programming instructions if AlazarTech Inc receives notice of such defects during the warranty period AlazarTech Inc does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work AlazarTech Inc will pay the shipping costs of returning to the owner parts that are covered by warranty AlazarTech Inc believes that the information in this document is accurate The document has been carefully reviewed for technical accuracy In the event that technical or typographical errors exist AlazarTech Inc reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition AlazarTech Inc may also make improvements and or changes in the products and or programs described in this document at any time The reader should consult AlazarTech Inc if errors are suspected In no event shall AlazarTech Inc be liable for any damages arising out of or related to this document or the information contained in it The latest user manual can be found on the AlazarTech Inc web page at www alazartech com support downloads htm EXCEPT AS SPECIFIED HEREIN ALAZARTECH INC MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABIL
39. overall system cost increase the cost of software development and maintenance and limit the number of suppliers for other hardware components Dual Port Memory The basic throughput problem faced by digitizers is that almost all of them use single port memory i e if you are reading data from the acquisition memory you cannot capture into it and vice versa This requires a software handshake which is heavily dependent on the operating system response time This transfer and re arm time limits the maximum achievable PRF Note that the operating system overheads are part of this delay ATS660 solves this problem by providing dual port memory When operated in Multiple Record mode Record Count gt 1 a new record is being captured even while you read the previous one from the on board memory 50 ATS660 User Manual Or in the case of continuous capture or Data Streaming ATS660 acquires a specific number of samples say 1 Megasample and initiates a DMA while capturing the next Megasample of data thereby guaranteeing that there is no break in data storage In both cases the system does not have to wait until the end of data capture to read the acquired data AutoDMA for PRF Captures and Streaming Applications Just having dual ported memory on its own does not solve the problem of PRF captures or streaming applications Software still has to get involved in re arming the hardware after every capture and again for readin
40. pecifications are subject to change without notice 66 ATS660 User Manual ALAZAR TECHNOLOGIES INC 3551 St Charles Unit 640 Kirkland QC CANADA H9H 3C4 Tel 514 633 0001 Fax 514 633 0021 E mail info alazartech com Web www alazartech com www pci digitizers com
41. rer of the digitizer board if they are all guaranteed to be 100 compatible and interoperable with each other with deterministic interrupt latencies and if you will get your money back if the system does not work at your PRF rates with your software Here is an excerpt from a FAQ section of one such supplier of RTOS Question How do system configuration and CPU selection impact the interrupt latency Answer Hardware platforms and the configuration of the associated drivers that use the hardware do impact response times Some of the common issues include Video cards some of the higher end cards lock out or busy wait the bus for extended periods of time to improve their performance DMA devices devices which burst DMA for lengthy period Power management which cycles off the CPU during IDLE CPU periods Memory speeds processor speeds etc ATS660 User Manual 49 A PCI digitizer being used in a PRF application is by definition doing burst DMA for lengthy period and is a type of product that can negatively impact response times of the RTOS As such the claim that an RTOS can remove all timing uncertainties in PRF application is suspect to say the least Furthermore you may not be able to get software drivers for the selected RTOS for all the hardware components you need for your system In summary moving to a real time operating system will not guarantee data throughput but will surely increase the
42. st one in the list 5 This will open up the AlazarTech ATS660 PCI Digitizer Properties page Click on the Driver tab 7 Click on Update Driver button near the bottom right corner of the page 8 This will cause the Upgrade Device Driver Wizard to be started ATS660 User Manual 29 9 To complete the installation follow the instructions provided in the section labeled a Installing ATS660 Driver in Windows 98SE Or b Installing ATS660 Driver in Windows 2000 Or c Installing ATS660 Driver in Windows XP 30 ATS660 User Manual Chapter 3 Hardware Overview This chapter includes an overview of the ATS660 explains the operation of each functional unit making up your ATS660 and describes the signal connections Following is a high level block diagram of ATS660 CHA Analog Front End CHB Analog Front End EXT Trig Analog Front End EXT Clock Input Protection ASoPC Acquisition System On Programmable Trigger Comparators Chip FPGA SDRAM Memory PCI Bus Interface ASIC ATS660 User Manual 31 Input Connectors ATS660 digitizers have one SMA connector for ECLK External Clock Input two standard BNC female connectors for CH A and CH B analog input connections one standard BNC female connector for the TRIG IN External Trigger input and one standard BNC female connector for AUX I O Auxiliary Input or Output The following pictorial shows the various connec
43. t always works is e Remove Norton Anti Virus software e Reboot the PC after removing Norton Anti Virus e Make sure AlazarTech hardware and software are fully functional e Re install Norton Anti Virus software AlazarTech PCI digitizer products are fully compatible with all internet security and anti virus software Users must make sure that their security software has been updated and configured properly 28 ATS660 User Manual Updating ATS660 Driver From time to time AlazarTech updates the device drivers for its products These updates may be required for product enhancements or for bug fixes This section of the manual takes you through the steps required to update the device driver for the ATS660 PCI digitizer In other words this section shows you how to install a newer version of the driver when you already have a previous version of the driver installed on your machine 1 Run Device Manager To do so a Run Control Panel by opening Start Settings Control Panel b Open System Properties dialog box by selecting or double clicking on the System menu c Click on Hardware tab in the dialog box d Click on Device Manager button 2 Device Manager lists all hardware devices in your computer AlazarTech PCI digitizers are listed within System Devices Expand the System Devices list Double click on the AlazarTech ATS660 PCI Digitizer device If more than one such devices are present choose the fir
44. tem cannot guarantee a deterministic response time to an event such as an interrupt or a software generated event This means that if software has to play any appreciable part in data transfer then the data throughput cannot be guaranteed as the operating system will have the last say as to when the data collection application will get the CPU cycles to execute the necessary commands Note that the above is true even if the digitizer claims to use Direct Memory Access DMA to do the actual transfer but uses software commands to re arm the digitizer It is the re arm command that will determine the overall data throughput For example it is very common for PCI digitizers that boast very fast throughput to slow down considerably when capturing pulsed radar or ultrasonic signals at Pulse Repeat 48 ATS660 User Manual Frequency PRF of 1 KHz or so even though each capture is only 2048 bytes requiring a throughput of only 2 MB s In other words digitizers that specify raw data throughput of 100 MB s can hardly handle 2MB s effective throughput due to the operating system related delays in issuing re arm commands Real Time Operating Systems Some vendors claim that switching to a real time operating system RTOS can solve the problems involved in PRF data capture Before switching to an expensive RTOS such as VxWorks QNX or PharLap ETS ask the vendor of the operating system the supplier of your PC system and manufactu
45. that the full scale input range is defined as being 4 divisions Therefore a vertical scale of 250 mV div results in full scale input range of 1V Further note that API Panel does not allow the user to set a vertical scale greater than 1 V div 4 V full scale if 50Q input impedance is selected for Channel B External Trigger Input Control API Panel allows the user to select the input coupling and full scale input range of the External Trigger input Trigger Control API Panel supports the dual engine triggering featured on the ATS660 These trigger engines are called Engine X and Engine Y For each engine the user can select a trigger source a trigger level and the trigger slope User is allowed to set the same source on both engines for Windowed triggering applications User can also select the Trigger Mode The default mode is Auto but the user can also select Normal and Single Shot The definitions of these terms are exactly the same as on most digital oscilloscopes except that ATS660 supports each trigger mode in 56 ATS660 User Manual Multiple Record captures as well as Single Record captures In Auto Trigger mode the trigger system generates a software trigger after waiting a pre determined amount of time In Multiple Record captures each record can generate its own timeout This mode is usually employed during the part of experimentation in which you are not aware of what exact signals you are tryin
46. the device driver you want to install for this hardware dialog box again Make sure the AlazarTech ATS660 PCI Digitizer is selected highlighted Click Next Operating system will display the Update Driver Warning This warning is meant to tell you that Windows does not recognize the hardware Click Yes System will copy all necessary files to the appropriate folders Operating system will display the Completing the Found New Hardware Wizard message Click Finish ATS660 User Manual 3 Install API Panel software that allows you to setup the hardware acquire signals and view and archive them If you are installing from the CD shipped with the ATS660 digitizer e Insert the ATS660 Install disk e Use Windows Explorer to navigate to the API Panel folder on the ATS660 Install Disk Run Setup exe program e Follow the instructions on the screen If you are installing API Panel after having downloaded the installation file from AlazarTech web site e Download API Panel installation file from www alazartech com support downloads htm e Unzip the file downloaded in the previous step e Browse to the folder that contains the unzipped file say API_Panel_V_4 2 0 exe e Run this executable file and follow the instructions on the screen ATS660 User Manual 23 4 Optionally install the ATS SDK software development kit or ATS VI LabVIEW VI which enables you to programmatically control the ATS660 Ins
47. ting system will display the Install from Disk dialog box Make sure the path points to D or wherever the ATS660 INF file resides If you are using a floppy disk or a CD make sure the disk is inserted in the drive Select the ATS660 INF file and click Open The operating system may display Install from Disk dialog box again If it does Click OK otherwise continue to the next step ATS660 User Manual 17 Operating system will display the Select a Device Driver dialog box again Make sure the AlazarTech ATS660 PCI Digitizer is selected Then click Next Operating system will display the Update Driver Warning This warning is meant to tell you that Windows does not recognize the hardware Click Yes Operating system will display the Start Device Driver Installation dialog box Click Next System will copy all necessary files to the appropriate folders Operating system will display the Completing the Found New Hardware Wizard message Click Finish ATS660 User Manual Installing ATS660 Driver in Windows 2000 Before proceeding make sure that you have sufficient administrative rights to install device drivers on your computer Typically you should be the Administrator for the computer you are installing device drivers on When you first plug in an ATS660 digitizer into a computer the plug n play Windows 2000 operating system will detect the presence of a new PCI card and ask you to provide the device dri
48. tors available on the digitizer bracket Identification LED i For future use ECLK O lt lt Optional External Clock cua KO lt lt Channel A 1 CHB d Channel B TRIGIN External Trigger lt TRIG IN AUX V O d Auxiliary I O i Default is TRIG OUT Jelazartech com E 32 ATS660 User Manual Signal Connections You can use CH A and CH B to digitize data as well as to trigger an acquisition Use the EXT input for an external analog trigger only data on the TRIG channel cannot be digitized If External Clock Upgrade is installed on your ATS660 use the ECLK input for clocking the ATS660 in applications that require an external clock Consult the chapter Optional External Clock for details on various types of clocking schemes available AUX I O connector can be used for outputting TRIG OUT signal a 5 V TTL signal synchronous with the on board trigger signal and the sampling clock e Note that the Trigger Output connector can also be configured as a Trigger Enable Input through a software command Contact factory for details ATS660 User Manual 33 Analog Input The two analog input channels are referenced to common ground in bipolar mode These settings are fixed therefore neither the reference nor the polarity of input channels can be changed You cannot use CH A or CH B to make differential measurements or measure floating signals unless you subtract the digita
49. tware selectable bandwidth limit switch independent for each channel Pre trigger and Post Trigger Capture with Multiple Record capability NIST traceable calibration All ATS660 digitizers follow industry standard Plug and Play specifications on all platforms and offer seamless integration with compliant systems If your application requires more than two channels for data acquisition you can synchronize multiple digitizers on all platforms using a Master Slave SyncBoard 460 Detailed specifications of the ATS660 digitizers are listed in Appendix A Specifications 2 ATS660 User Manual Acquiring Data with Your ATS660 You can acquire data either programmatically by writing an application for your ATS660 or interactively with the API Panel software If you want to integrate the ATS660 in your test and measurement or embedded OEM application you can program the digitizer using C C Visual BASIC or LabVIEW for Win32 Windows 98SE Windows 2000 and Windows XP operating systems or C for Linux operating systems For programming in C C or Visual BASIC you must purchase the ATS SDK software development kit that comes with sample programs and a reference manual describing the API For programming in LabVIEW you must purchase the ATS VI virtual instrument library that comes with a high level easy to use VI that makes integrating the ATS660 into your own system very simple It is also possible to program your ATS660
50. under Linux operating system You will need to purchase the ATS Linux software development kit that comes with binary files for the driver kernel 2 6 and C source code for a sample program Also supplied is the AlazarDSO graphical user interface for the ATS660 If you need to operate the ATS660 under Windows XP x64 please contact the factory for 64 bit Windows drivers ATS660 User Manual 3 Interactively Controlling your ATS660 with API Panel The API Panel Soft Front Panel allows you to interactively control your ATS660 as you would a desktop oscilloscope To launch the Scope Soft Front Panel select Start Programs AlazarTech API Panel The following screen will be displayed If you connect the input to a signal generator and click on Start button you should see the signal on the screen API Panel File Preferences Help System 1 m Timebase Zm _Zm IZE Start Stop Force Trigger Record Timestamp 1 NM Clock Control Trigger Control System Specific Source intemal Z Clock Edge Rising Acq Memory Record Limit Num Of Recs Rec Length PreTrig Depth Internal Rate 29MS s ZO Ext Clk Dec 256 KB Channel 63 1 4096 512 Set Analog Input Control Trigger Control e e Input A Input B r Ext Trig Engine X ngine ETT Disabi Volts Div WE Volts Div 250 mva gt Range Source Channel A Source D
51. ver a Operating System will display the Welcome to the Found New Hardware Wizard Click Next b Operating system will display the Install Hardware Device Driver dialog box Select the radio button next to the text Display a list of the known drivers for this device so that can choose a specific driver Click Next c Operating system will display the Hardware Type dialog box Select System devices d Operating system will display the Select a Device Driver dialog box Click on Have Disk e Operating system will display the Install from Disk dialog box Make sure the path points to D or wherever the ATS660 INF file resides If you are using a floppy disk or a CD make sure the disk is inserted in the appropriate drive ATS660 User Manual 19 Select the ATS660 INF file and click Open The operating system may display Install from Disk dialog box again If it does Click OK otherwise continue to the next step Operating system will display the Select a Device Driver dialog box again Make sure the AlazarTech ATS660 PCI Digitizer is selected Then click Next Operating system will display the Update Driver Warning This warning is meant to tell you that Windows does not recognize the hardware Click Yes Operating system will display the Start Device Driver Installation dialog box Click Next System will copy all necessary files to the appropriate folders Operating system will display the Completi
52. wing instructions guide you through the process of installing the ATS660 in a computer running Windows XP Windows 2000 or Windows 98SE operating systems Other operating systems such as Windows NT are not covered here Installation of Multiple ATS660 Digitizers If you are installing multiple ATS660 digitizers the operating system will detect one card at a time and you will have to go through the driver installation setup as many times as you have cards If you are installing multiple ATS660 digitizers under Windows 98SE you will be prompted to reboot the computer after each installation You should only reboot the computer after having installed the last ATS660 digitizer ATS660 User Manual Installing ATS660 Driver In Windows 98SE When you first plug in an ATS660 digitizer into a computer the plug n play Windows 98SE operating system will detect the presence of a new PCI card and ask you to provide the device driver a Operating System will display the Welcome to the Found New Hardware Wizard Click Next b Operating system will display the Install Hardware Device Driver dialog box Select the radio button next to the text Display a list of the known drivers for this device so that can choose a specific driver Click Next c Operating system will display the Hardware Type dialog box Select System devices d Operating system will display the Select a Device Driver dialog box Click on Have Disk e Opera
53. zena ATS660 User Manual 37 The concept behind Amplifier Bypass Option is very simple as shown below NEAR FAR SWITCH SWITCH VARIABLE GAIN INPUT AMPLIFIER INCLUDES ATTENUATORS There are two DIP switches per channel the one closest to the input BNC connectors is called the Near Switch and the one closest to the ADC IC is called the Far Switch Each DIP switch in turn has two individual switches called Switch 1 and Switch 2 Under normal operating conditions Switch 1 is always OFF disconnected and Switch 2 is always ON connected Thus the input signal travels through the input amplifier and attenuator circuitry before being digitized by the ADC IC To select Amplifier Bypass Mode the switch settings must be changed such that Switch 1 is always ON connected and Switch 2 is always OFF disconnected This would bypass all input amplifier circuitry and inject the signal directly into the driving amplifier of the ADC It is very important that the user set both the Near Switch and Far Switch with the same settings Failure to do so can cause measurement errors 38 ATS660 User Manual The default setting of all four of the DIP switches is shown below The black square represents the plastic tab for the switch Note that the actual tab may not be black It may in fact be white ATS660 User Manual 39 To set Amplifier Bypass Option for a channel chang

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