Evaluation Engineering - December 2008 - (Page 14) TEST SOFTWARE Emerging Synthetic Instruments And IVI Driver Solutions by Hob Wubbena, Agilent Technologies he U.S. Department of Defense’s Synthetic Instrument Working Group (SIWG) originally defined synthetic instruments (SIs) in 2004 as elemental hardware and software components with standardized interfaces and measurement software, which yield a smaller footprint and greater flexibility.1 Once the standard was defined, the group disbanded, and the remaining work moved to IEEE’s Automatic Test Markup Language (ATML) Group and the IVI Foundation Synthetic Instrument Groups. The IVI class driver model fits inherently well with the SI hardware model of finer measurement granularity. An IVI class driver representing common functionality plus its extensions will T cover a large amount of the SI hardware capability. A test example calculating total harmonic distortion using an SI waveform generator, an SI up-converter, an SI down-converter, an SI digitizer with IVI drivers, and several SI software components illustrates the interactions between the hardware and software as well as how to set it up and get the desired results. From this, several rules of thumb help ensure good results. A Test System With SIs and IVI Drivers As we look closer at SIs and their respective IVI drivers, it will be important to understand how an entire test system works. There are many system Continued on page 16 SW Components SW O/S Interfaces Software HW Components SW I/O Interfaces HW I/O Interfaces Computing HW Components Internal Devices External Instruments Unit Under Test Figure 1. IVI Drivers and SIs 1 4 • E E • December 2008 www.e v al u a ti o n e n g i n e e r i n g . c o m Test System http://www.evaluationengineering.com
Table of Contents Feed for the Digital Edition of Evaluation Engineering - December 2008 Evaluation Engineering - December 2008 Contents Editorial Product Briefing Test Software C-V Measurements Nanoelectronics Test Product Guide Company Guide Machine Vision EMC Test Index of Advertisers Evaluation Engineering - December 2008 Evaluation Engineering - December 2008 - Evaluation Engineering - December 2008 (Page Cover1) Evaluation Engineering - December 2008 - Evaluation Engineering - December 2008 (Page Cover2) Evaluation Engineering - December 2008 - Evaluation Engineering - December 2008 (Page 1) Evaluation Engineering - December 2008 - Evaluation Engineering - December 2008 (Page 2) Evaluation Engineering - December 2008 - Contents (Page 3) Evaluation Engineering - December 2008 - Contents (Page 4) Evaluation Engineering - December 2008 - Contents (Page 5) Evaluation Engineering - December 2008 - Editorial (Page 6) Evaluation Engineering - December 2008 - Editorial (Page 7) Evaluation Engineering - December 2008 - Product Briefing (Page 8) Evaluation Engineering - December 2008 - Product Briefing (Page 9) Evaluation Engineering - December 2008 - Product Briefing (Page 10) Evaluation Engineering - December 2008 - Product Briefing (Page 11) Evaluation Engineering - December 2008 - Product Briefing (Page 12) Evaluation Engineering - December 2008 - Product Briefing (Page 13) Evaluation Engineering - December 2008 - Test Software (Page 14) Evaluation Engineering - December 2008 - Test Software (Page 15) Evaluation Engineering - December 2008 - Test Software (Page 16) Evaluation Engineering - December 2008 - Test Software (Page 17) Evaluation Engineering - December 2008 - Test Software (Page 18) Evaluation Engineering - December 2008 - Test Software (Page 19) Evaluation Engineering - December 2008 - C-V Measurements (Page 20) Evaluation Engineering - December 2008 - C-V Measurements (Page 21) Evaluation Engineering - December 2008 - C-V Measurements (Page 22) Evaluation Engineering - December 2008 - C-V Measurements (Page 23) Evaluation Engineering - December 2008 - C-V Measurements (Page 24) Evaluation Engineering - December 2008 - C-V Measurements (Page 25) Evaluation Engineering - December 2008 - Nanoelectronics Test (Page 26) Evaluation Engineering - December 2008 - Nanoelectronics Test (Page 27) Evaluation Engineering - December 2008 - Nanoelectronics Test (Page 28) Evaluation Engineering - December 2008 - Nanoelectronics Test (Page 29) Evaluation Engineering - December 2008 - Nanoelectronics Test (Page 30) Evaluation Engineering - December 2008 - Nanoelectronics Test (Page 31) Evaluation Engineering - December 2008 - Product Guide (Page 32) Evaluation Engineering - December 2008 - Product Guide (Page 33) Evaluation Engineering - December 2008 - Product Guide (Page 34) Evaluation Engineering - December 2008 - Product Guide (Page 35) Evaluation Engineering - December 2008 - Company Guide (Page 36) Evaluation Engineering - December 2008 - Company Guide (Page 37) Evaluation Engineering - December 2008 - Machine Vision (Page 38) Evaluation Engineering - December 2008 - Machine Vision (Page 39) Evaluation Engineering - December 2008 - Machine Vision (Page 40) Evaluation Engineering - December 2008 - Machine Vision (Page 41) Evaluation Engineering - December 2008 - Machine Vision (Page 42) Evaluation Engineering - December 2008 - Machine Vision (Page 43) Evaluation Engineering - December 2008 - EMC Test (Page 44) Evaluation Engineering - December 2008 - EMC Test (Page 45) Evaluation Engineering - December 2008 - EMC Test (Page 46) Evaluation Engineering - December 2008 - EMC Test (Page 47) Evaluation Engineering - December 2008 - EMC Test (Page 48) Evaluation Engineering - December 2008 - EMC Test (Page 49) Evaluation Engineering - December 2008 - EMC Test (Page 50) Evaluation Engineering - December 2008 - EMC Test (Page 51) Evaluation Engineering - December 2008 - Index of Advertisers (Page 52) Evaluation Engineering - December 2008 - Index of Advertisers (Page Cover3) Evaluation Engineering - December 2008 - Index of Advertisers (Page Cover4)
For optimal viewing of this digital publication, please enable JavaScript and then refresh the page. If you would like to try to load the digital publication without using Flash Player detection, please click here.