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ATS850 User Manual

1. 28 FRESINIGUONS C a 28 CHAPTER 4 USING ATSCOPE 29 APPENDIX A 38 vi ATS850 User Manual Chapter 1 Introduction This chapter describes the ATS850 and lists additional equipment ATS850 User Manual 1 About Your ATS850 Thank you for your purchase of an ATS850 The ATS850 PCI based waveform digitizer has the following features Two 8 bit resolution analog input channels Half length PCI bus card Real time sampling rate of 50 MS s to 10 kS s 25 MHz analog input bandwidth Analog trigger channel with software selectable level slope and hysteresis Software selectable AC DC coupling 1 500 input impedance 262 140 sample onboard memory standard Pre trigger and Post Trigger Capture with Multiple Record capability NIST traceable calibration All ATS850 devices 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 devices on all platforms using a Master Slave SyncBoard Detailed specifications of the ATS850 devices are listed in Appendix A Specifications 2 ATS850 User Manual Acquiring Data with Your ATS850
2. Intemal Rate 20MS s Ext CIk Dec 256 KB Channel 63 1 4096 512 Set Analog Input Control Trigger Control Input Input B Ext Trig Engine X Engine Y Volts Diy 250 mv d v Volts Div 250 Range Source Source Disable gt Range 1 Range way Slope Positive Slope Positive m Couping 7 Coupling ac Coupling Level 0 z bevel J0 ee Sere ial Impedance 1 MOhm gt Impedance rMOnm gt 12 Z Engine Relationship Mode Trigger Delay kony gt auto E 0 ATScope has been designed to be very intuitive and uses the same user interface as most of today s digital oscilloscopes 4 ATS850 User Manual ATS SDK API The ATS SDK API is used for programming the ATS850 in C C or Visual BASIC It provides the exact same API that is used for writing ATScope software To help you get started ATS SDK comes with examples you can use or modify zz 18 Edt View Inset Project Buld Tools DiverStudo Window 1 jals ug nels lt mim sr sa eon za TE al i h AlazarOpen 4Nanel03 U h ttlenSize tSanpleSize a PB Workspace aca2Disk 1 projects i 9 Acq2Disk files Ga Source Fies El 18 cop h bd Recordcount h bd PreDepth bd RecLength bd PreDepth
3. iv Canadian Department of iv Compliance to EU Directives ssse iv Table of Contents 9 5 iet eoe dut uet qus vi CHAPTER 1 INTRODUCTION ennemi 1 About Your ATSB850 ga RR ERRORES 2 Acquiring Data with Your ATS850 3 Interactively Controlling your ATS850 with the ATScope Soft Front Panel e ihe RUM 4 ATS SDKABE tne tei fina tecta 5 Optional Equipment esessessesesseeeeeeeenneee nennen nennen 6 CHAPTER 2 INSTALLATION AND CONFIGURATION 7 What You Need to Get Started 8 UNPACKING oe eae I S A I eee ee 9 Installing the ATS850 ttr Adige ces 10 CHAPTER HARDWARE OVERVIEW 21 Input iut RERO HEREDI RES 22 Signal Connections esessessessseseseeeeeenenenee nnne 23 Analog cei ie bo rte Pec ee ER HD geo De eee 24 Pipelined ADG aie ino det e eee uiid 24 Pre Trigger Multiple Record Acquisition 25 Specifying Record Length sene 25 Specifying Pretrigger Depth 25 Specifying Record Count 26 Calibration t teen Den OD SO 27 Master Slave Operation
4. Pi C Estemal Dependencies i ee Bl ClassView E ri Le amp Sasol EID Debug Findin Fleet Fina 4 i es iste rd e 0 xxm ATS VI LabVIEW VI ATS Viallows you to integrate the ATS850 into your own LabVIEW program A high level VI is supplied that requires very few controls to get started Statue 7 Re Find L 1 eaybemen sca 8 ae ATS850 User Manual 5 Optional Upgrades AlazarTech offers the following upgrades and accessories for use with your ATS850 digitizer e ATS850 External Clock Upgrade e ATS850 Master Slave SyncBoard 2 position e ATS850 Master Slave SyncBoard 4 position e ATS850 Master Slave SyncBoard 8 position 6 ATS850 User Manual Chapter 2 Installation and Configuration This chapter describes how to unpack install and configure your ATS850 ATS850 User Manual 7 What You Need to Get Started To set up and use your ATS850 you will need the following e more ATS850 cards e ATS850 Driver Disk e ATScope Ins
5. You can acquire data either programmatically by writing an application for your ATS850 or interactively with the ATScope software If you want to integrate the ATS850 in your test and measurement or embedded OEM application you can program the device using C C Visual BASIC or LabVIEW 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 ATS850 into your own System a cinch ATS850 User Manual 3 Interactively Controlling your ATS850 with the ATScope Soft Front Panel The ATScope Soft Front Panel allows you to interactively control your ATS850 as you would a desktop oscilloscope To launch the Scope Soft Front Panel select Start Programs AlazarTech ATScope 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 ATScope Fie Calibrate Preferences Help System 1 Timebase 2 2 Stat Stop Force Trioger Record Timestamp 7 Clock Control r Trigger Control System Specific Source intemal 1 chock Edge Rising Memory Record Limit Num OfRecs Rec Length PreTrig Depth
6. 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 ATScope requires Internet Explorer 5 0 or higher Power Requirements 5V 1 1 A typical 5V voltage level must remain between the range of 4 75V to 5 20V at all times after power on Physical Size Single slot half length PCI card 4 2 inches x 7 2 inches Weight 500 g Connectors CH A CH B EXT ECLK BNC female connectors Environmental Operating temperature 55oC Storage temperature 20 to 700C Relative humidity 5 to 95 non condensing Acquisition System Resolution 8 bits Bandwidth 3dB DC coupled 1MQ DC 25 MHz DC coupled 500 DC 25 MHz AC coupled 1MQ 10 Hz 25 MHz AC coupled 500 100KHz 25 MHz Bandwidth flatness 1dB Number of channels 2 simultaneously sampled Maximum Sample Rate 50 MS s single shot 38 ATS850 User Manual Minimum Sample Rate Full Scale Input ranges DC accuracy Input coupling Input impedance Input protection 1MQ 500 10 KS s single shot 20mV 40mV 50mV 80mV 100mV 200mV 400mV 500mV 800mV 1V 2V 4V 5V 8V 10V and 20V software selectable Exceeding the full scale input range by more than 100 may result in signal distortion due to phase reversal of amplifier stage 2 of full scale in all input ranges AC or DC software sel
7. As such the user is allowed to exit the program only through the File menu ATS850 User Manual 29 ATScope screen is divided into four sections Data Display Area Hardware Control Area Display Control Area Boom Menu Area Menu Area Data Display Area Timebase 2 Zm 2OnS av Start Stop Force Trigger rd Timestamp 1 Lj Clock Control Trigger Control System Specific Souco CiockEdge Rimo 2 Aca Memoy PecordLimt NumOfRecs Reclengh PeligDeph Internal Rate 50 M5 s Dec 256 KB Channel amp 1 40 5 2 set Analog Input Control Trigger Contol Input Input B Ent Tig ae Vots Diy 7250 7 250 Range ie si sm Range SET Range wy Coupling AC X Coping fac Coping Impedance 1 MOhm 7 Impedance fi MOhm i Z Engine Relationship Mode Trigger Delay pt REE zj peo m D Display Control Area Hardware Control Area 30 ATS850 User Manual Data Display Area is an oscilloscope style grid of 8 vertical and 10 horizontal divisions There are exactly 256 rows of pixels in the display allowing 8 bit data to be displayed without any loss of data Every single bit of noise is thus visible on the display allowing the user to verify the true performance of the ATS850 Note t
8. 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 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 r
9. 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 nstall from a list or specific location Advanced Click Next b 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 I will choose the driver to install Click Next C Operating system will display the Hardware Type dialog box Select System devices d Operating system will display the Select the device driver you want to install for this hardware 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 ATS850 INF file resides If you are using a floppy disk or a CD make sure the disk is inserted in the drive Click OK ATS850 User Manual 17 Operating system will display the Select the device driver you want to install for this hardware dialog box again Make sure the AlazarTech ATS850 Board 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 Operat
10. 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 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 A Certain exemptions may apply the USA see FCC Rules 15 103 Exempted devices and 15 105 c Also available in sections of CFR 47 Che CE Mark Declaration of Conformity will contain important supplementary information and instructions for the user or installer ATS850 User Manual Table of Contents Important Iriformationh 2 rte ii Wartanly 5 eai ceded e rH HERE AEOS ES pE Eii ii Copyriglb ee tme omoi Se trade d ii Trademarks 2202 cree trie xe rtl p teet ett iii Warning Regarding Use of Alazar Technologies Products iii Compliance otto ERU Te Ert p ipo ei cbr eles iv FCC Canada Radio Frequency Interference Compliance iv Determining FCC Class sssseseeeeeneneeenenns iv FGCO DOGC Warnings s iere heec eed pies iv Glass A HE iv Federal Communications
11. settings the Set button must be clicked by the user for the input to be verified and then set on the hardware Verification of the settings is done based on the following dependencies Record Length must be a minimum of 64 points Record length must not exceed 262 140 points for the 256K model and 16 776 960 points for the 16M model Record length must be a multiple of 4 points for the 256K model and 64 points for the 16M model Pre Trigger Depth must not exceed Record Length 64 34 ATS850 User Manual e Number of Records to Capture must not exceed 262 144 Record Length 4 for the 256K version and 16 777 216 Record Length 64 for the 16M version If any settings are found to be illegal an error message is generated and the user is asked to enter the selections again ATS850 User Manual 35 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 The user is not allowed to set View Record to be greater than the number of records captured Note that ATScope 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
12. AS SPECIFIED HEREIN ALAZAR TECHNOLOGIES INC MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF ALAZAR TECHNOLOGIES INC SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER ALAZAR TECHNOLOGIES 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 Alazar Technologies Inc will apply regardless of the form of action whether in contract or tort including negligence Any action against Alazar Technologies Inc must be brought within one year after the cause of action accrues Alazar Technologies 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 Alazar Technologies 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
13. AlazarTech ATS850 User Manual 8 Bit 50 MS s Waveform Digitizer for PCI Bus November 2003 Edition Part Number 850 USR 1 Copyright 2003 Alazar Technologies Inc All rights reserved Alazar Technologies Inc Contact Information Alazar Technologies Inc 1375 32 Avenue Lachine Quebec Canada H8T 3H2 Telephone 514 633 0001 Fax 514 633 0021 E mail info alazartech com Web site www alazartech com To comment on the documentation for ATS850 send e mail to support alazartech com Information required when contacting Alazar Technologies for technical support Owned by Serial Number Purchase Date Purchased From Software Driver Version SDK Version ATScope Version Operating System ATS850 User Manual i Important Information Warranty The ATS850 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 Alazar Technologies 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 Alazar Technologies 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 Alazar Techn
14. ER 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 BODILY 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 ALAZAR TECHNOLOGIES INC s TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE ALAZAR TECHNOLOGIES INC PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY ALAZAR TECHNOLOGIES INC THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF ALAZAR TECHNOLOGIES INC PRODUCTS WHENEVER ALAZAR TECHNOLOGIES INC PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION ATS850 User Manual iii 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
15. The minimum setting of the timebase depends on the sampling clock frequency The timebase limits are given by Minimum Timebase 1 1 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 4 sample clocks This count is initialized to zero when the software instructs the ATS850 to start acquiring data and start looking for a trigger 36 ATS850 User Manual Menu Area provides the standard Windows menus File menu allows the user to save acquired signals as comma separated ASCII values File menu also provides the only mechanism for exiting ATScope program Select Exit command from the file menu to terminate ATScope 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 Help menu allows the user to check which version of ATScope ATS850 driver and SDK are being used This feature is very useful for technical support ATS850 User Manual 37 Appendix Specifications This appendix lists the specifications of the ATS850 These specifications are typical at 25 C unless otherwise stated The operating temperature range is 0 to 50
16. adio 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 Alazar Technologies In could void the user s authority to operate 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 ATS850 User Manual Compliance to EU Directives Readers in the European Union EU must refer to the Manufacturer s Declaration of Conformity DoC for
17. aking up your ATS850 and describes the signal connections Following is a high level block diagram of ATS850 CHA Analog Front End ASoPC CHB Acquisition Analog Front End System On EXT Trig Programmable Analog Trigger Front End Circuit Chip FPGA EXT Clock Input Protection PCI Bus Interface ASIC ATS850 User Manual 21 Input Connectors These ATS850 devices have two standard BNC female connectors for CH A and CH B analog input connections one standard BNC female connector for the EXT External Trigger input and one standard BNC female connector for the optional ECLK External Clock input The following pictorial shows the various connectors available on the card bracket Identification LED For future use Channel A Channel B External Trigger Optional External Clock 22 ATS850 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 Use the ECLK input for clocking the ATS850 in applications that require an external clock Note that the frequency of the signal injected into the ECLK connector must remain between 50 MS s and 10 KS s ATS850 User Manual 23 Analog Input The two analog input channels are referenced to common ground in bipolar mode These settings are fixed therefore neither the referen
18. ass filter Input frequency was set at 4 MHz and amplitude was 650 mV rms 92 of full scale input SNR SINAD THD SFDR 42 dB 40 dB 46 dB 45 dB Note that these dynamic parameters may vary from one unit to another with input frequency and with the full scale input range selected Optional ECLK External Clock Input Signal Level Input impedance Input current requirement Maximum frequency Minimum frequency Decimation factor Sampling Edge Triggering System Mode Number of Trigger Engines Trigger Engine Combination Trigger Engine Source Hysteresis Trigger sensitivity Trigger level accuracy Bandwidth Trigger Delay Trigger Timeout TTL levels Compatible with both 3 3V and 5V TTL 500 66mA 50 MHz with 50 5 duty cycle 10 KHz with 50 5 duty cycle Software selectable from 1 to 100 000 Rising or Falling software selectable 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 Engines 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 5 typical of full scale input range of the selected trigger source 25 MHz Software selectable from 0 to 9 999 999 sampling clock cycles Software selectable with a 10 us res
19. ce Driver dialog box Select the radio button next to the text Display a list of the known drivers for this device so that I can choose a specific driver Click Next Operating system will display the Hardware Type dialog box Select System devices m Operating system will display the Select a Device Driver dialog box Click on Have Disk n Operating system will display the Install from Disk dialog box Make sure the path points to D or wherever the ATS850 INF file resides If you are using a floppy disk or a CD make sure the disk is inserted in the appropriate drive Select the ATS850 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 ATS850 User Manual 15 Operating system will display the Select a Device Driver dialog box again Make sure the AlazarTech ATS850 Board 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 ATS850 User Manual Installing ATS850 Driver In Windows When you first plug in an ATS850 card into a
20. ce nor the polarity of input channels can be changed You cannot use CH A or B to make differential measurements or measure floating signals unless you subtract the digital waveforms in software For accurate measurements make sure the signal being measured is referenced to the same ground as your ATS850 by attaching the probe s ground clip to the signal ground The EXTernal Trigger input has a programmable input range of 5 Vor 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 Pipelined ADC The ADC on the ATS850 is a pipelined flash converter with a maximum conversion rate of 50 MS s The pipelined architecture introduces a dependency between the sampling clock rate and input offset The ATS850 automatically adjusts for a
21. ectable 50Q 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 8V DC peak AC for CH A CH B and EXT only without external attenuation Acquisition Memory System Onboard acquisition memory 512 KB standard or Acquisition Memory channel Record Length Number of Records Pre trigger depth Post trigger depth Timebase System Timebase options Internal Sample Rates Internal Clock accuracy 32MB with High Memory Option Up to 262 140 samples per channel standard or Up to 16 M samples per channel with High Memory Option Software selectable with 4 point resolution Record length must be a minimum of 256 points Maximum record length is limited by the acquisition memory per channel Software selectable from a minimum of 1 to a maximum of 1 000 or Acquisition Memory Per Channel Record Length 4 whichever is lower 0 to Record Length 64 software selectable with 4 point resolution Record Length Pre trigger depth Internal Clock or External Clock Optional 50 MS s 25 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 100 ppm ATS850 User Manual 39 Dynamic Parameters Typical values measured using a randomly selected ATS850 in 1V input range DC coupling and 50Q impedance Input was provided by a HP8656A signal generator followed by a 9 pole 5 MHz low p
22. f External Clock is selected Decimation Ratio field is reserved for future use Channel A Input Control ATScope 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 32 ATS850 User Manual Further note that ATScope does not allow the user to set a vertical scale greater than 2 V div 8 V full scale if 50Q input impedance is selected for Channel A Channel B Input Control ATScope allows the user to set the vertical scale input coupling and input impedance for Channel B 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 ATScope does not allow the user to set a vertical scale greater than 2 V div 8 V full scale if 50Q input impedance is selected for Channel B External Trigger Input Control ATScope allows the user to select the input coupling and full scale input range of the External Trigger input Trigger Control ATScope supports the dual engine triggering featured on the ATS850 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 fo
23. hat most software packages supplied by other manufacturers usually use scaling to hide the noise i e they use less than 256 rows of pixels to display 8 bit data By default all signals are overlapped with the zero level being the vertical mid point of the area ATS850 User Manual 31 Hardware Control Area provides the user complete control over the hardware parameters of the ATS850 ATScope 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 The Clock Source drop down selection allows the user to select between the internal clock oscillator and the optional ECLK input Note that ECLK frequency must be between 50 MHz and 10 KHz and that it should be a free running signal 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 50 MHz i e if user selects 10 MS s sample rate after having selected External Clock ATScope will decimate the digitized data by a factor of 50 MS s divided by 10 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 i
24. ing system will display the Completing the Found New Hardware Wizard message Click Finish ATS850 User Manual 3 Install ATScope software that allows you to setup the hardware acquire signals and view and archive them If you are installing off the CD shipped with the ATS850 board e Insert the AlazarTech Installation CD e Use Windows Explorer to navigate to the ATScope folder on the Installation Disk Run Setup exe program e Follow the instructions on the screen If you are installing ATScope after having downloaded the installation file from AlazarTech web site e Download ATScope installation file from www alazartech com support downloads htm e Unzip the file downloaded in the previous step e Browse the folder that contains the unzipped file say ATScope V 2 0 2 exe e Run this executable file and follow the instructions on the screen ATS850 User Manual 19 4 Optionally install the ATS SDK software development kit or ATS VI LabVIEW VI which enables you to programmatically control the ATS850 Insert the ATS SDK or ATS VI CD and run the SETUP program Follow the instructions on the screen Note that you must have already installed the ATS850 drivers for any of the sample programs included with the ATS SDK or ATS VI to work properly 20 ATS850 User Manual Chapter 3 Hardware Overview This chapter includes an overview of the ATS850 explains the operation of each functional unit m
25. lay 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 A or wherever the ATS850 INF file resides If you are using a floppy disk or a CD make sure the disk is inserted in the drive Select the ATS850 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 ATS850 User Manual 13 Operating system will display the Select a Device Driver dialog box again Make sure the AlazarTech ATS850 Board 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 ATS850 User Manual Installing ATS850 Driver in Windows 2000 When you first plug in an ATS850 card 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 driver j Operating System will display the Welcome to the Found New Hardware Wizard Click Next k Operating system will display the Install Hardware Devi
26. mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of Alazar Technologies Inc ii ATS850 User Manual Trademarks Alazar Technologies Inc AlazarTech alazartech com ATS ATS850 ATScope are trademarks of Alazar Technologies Inc Product and company names mentioned herein are trademarks or trade names of their respective companies Warning Regarding Use of Alazar Technologies Products 1 ALAZAR TECHNOLOGIES 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 US
27. ngth 4 Note that unlike other products in its class ATS850 allows you to capture multiple records into the on board memory without requiring software assisted re arming of the digitizer Specifying Pretrigger Depth ATS850 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 ATS850 User Manual 25 User is allowed to set pretrigger depth for an acquisition session Same 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 4 sample resolution up to a maximum of Record Length 64 Specifying Record Count User can specify the number of records that must be captured in one acquisition session The minimum value must be 1 and the maximum value is given by Max Records Per Channel Memory Record Length 4 26 ATS850 User Manual Calibration Calibration is the process of minimizing measurement errors by making small circuit adjustments All ATS850 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 affi
28. ny offset errors when you use the internal clock However if you use an external clock you must provide a free running clock to ensure reliable operation and perform a NULL OFFSET command in order to remove the offset 24 ATS850 User Manual Finally You must follow all the timing specifications on the external clock as described in Appendix A Specifications Using a pipelined architecture also introduces a lower limit on the sampling rate For the ATS850 the accuracy starts to degrade below 10 kS s Pre Trigger Multiple Record Acquisition The ATS850 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 64 points and can be specified with a 4 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 Le
29. ologies Inc will at its option repair or replace software media that do not execute programming instructions if Alazar Technologies Inc receives notice of such defects during the warranty period Alazar Technologies 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 Alazar Technologies Inc will pay the shipping costs of returning to the owner parts that are covered by warranty Alazar Technologies 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 Alazar Technologies Inc reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition Alazar Technologies 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 Alazar Technologies Inc if errors are suspected In no event shall Alazar Technologies 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 Alazar Technologiies Inc web page at www alazartech com support downloads htm EXCEPT
30. olution Maximum settable value is 3 600 seconds Can also be disabled to wait indefinitely for a trigger event 40 ATS850 User Manual 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 Certification and Compliances CE Mark Compliance Materials Supplied One ATS850 Card One AlazarTech Installation CD One ATS850 User Manual All specifications are subject to change without notice ATS850 User Manual 41 42 ATS850 User Manual
31. r Windowed triggering applications User can also select the Trigger Mode The default mode is Auto but the user can also select Normal and One Shot The definitions of these terms are exactly the same as on most digital oscilloscopes except that ATS850 supports each trigger mode in 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 ATS850 User Manual 33 employed during the part of experimentation in which you are not aware of what exact signals you are trying 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 ATS850 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 ATScope allows the user to set Record Length Pre Trigger Depth and Number of Records to Capture Due to various dependencies between these three
32. ser Manual Chapter 4 Using ATScope Software This chapter provides a Quick Start Guide to the ATScope software supplied with your ATS850 ATScope Installation For installing ATScope software refer to the installation section of this manual Launching ATScope You can launch ATScope by the following two methods 1 By double clicking on the ATScope desktop icon 2 Byrunning Start Programs AlazarTech ATScope You will hear the clicking of some on board relays as ATScope initializes the hardware and places it in a known state Then the ATScope screen will be displayed Note that no signals will be displayed until you click on the Start button Clock Control Trigger Control System Spec Souce Z CickEdge Pero Z Acq Memoy RecodLimit NumOfRece RecLengh refi Depth Internal Rate 50MS s Z ExtCk Dec 256KB Channei 6 TP 4036 512 Set Engine X Engine Y inea Ex Tig ChannelA m Source Disable m 250 E Vots 7250 8 x Range rj SEN Range sw Ev 2 Slope T Shope 7 z caning Impedance 1MOhm j impedence z Engne Relation Trigger Delay s kony ship Mode H fauto _ 8 Exiting ATScope As a data acquisition application ATScope has been designed to be very robust
33. t the ATS850 card in one of the free PCI slots For best noise performance leave as much room as possible between your ATS850 and other hardware Always screw the card bracket to the chassis in order to create a stable and robust connection to chassis ground In the absence of such a connection ATS850 is not guaranteed to operate within the specifications listed elsewhere in this manual Once you have completed this step you should power the computer on ATS850 User Manual 11 Install ATS850 software driver when prompted The following instructions guide you through the process of installing the ATS850 in a computer running Windows 2000 or Windows XP operating systems Operating systems such as Windows NT and Windows 98 are not covered here ATS850 User Manual Installing ATS850 Driver In Windows 98SE When you first plug in an ATS850 card 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 I can choose a specific driver Click Next c Operating system will display the Hardware Type dialog box Select System devices d Operating system will disp
34. tallation Disk 8 ATS850 User Manual Unpacking Your device is shipped in an antistatic package to prevent electrostatic damage to the device Electrostatic discharge can damage several components on the device To avoid such damage in handling the device take the following precautions e Ground yourself via a grounding strap or by holding a grounded object e Touch the antistatic package to a metal part of your computer chassis before removing the device from the package e Remove the device from the package and inspect the device for loose components or any other sign of damage Notify AlazarTech if the device appears damaged in any way Do not install a damaged device into your computer e Nevertouch the exposed pins of the connectors ATS850 User Manual 9 Installing the ATS850 There are four main steps involved in installation 1 Physically install the card in your computer 2 Install ATS850 software driver when prompted 3 Install ATScope 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 or ATS VI LabVIEW VI which enables you to programmatically control the ATS850 The following paragraphs will guide you through this process in a step by step manner 10 ATS850 User Manual 1 Physically install the card in your computer Make sure that your computer is powered off before you attempt to inser
35. xed to your ATS850 board Externally recalibrate the ATS850 when this calibration interval has expired This requires three very simple steps 1 Verify whether or not ATS850 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 ATS850 is within specifications Verification and Calibration procedures are available to all registered users of ATS850 upon request ATS850 User Manual 27 Master Slave Operation You can use two or more ATS850 digitizers in one system to increase the number of channels for your application by synchronizing devices using the appropriate SyncBoard Unlike other products on the market ATS850 does not suffer from clock jitter between master and slave boards The unique design of the ATS850 clock circuit provides a buffered copy of the Master board s clock to itself and all the slave boards thereby maintaining a very low skew between Master and Slave board clocks Restrictions To ensure proper master slave operation of your ATS850 you must observe the following restrictions e You must connect the appropriate SyncBoard to all of the ATS850 devices in your system e You must set up the Master Slave system using the software program supplied with the SyncBoard 28 ATS850 U

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