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ADC test library in C

ADC test library in C. J á n Š aliga Dept. of Electronics and Telecommunications Technical University of Kosice, Slovakia. Agenda. Introduction System of function Application example: PC sound card test. Introduction. Existing software: end user application: LabVIEW

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ADC test library in C

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  1. ADC test library in C Ján Šaliga Dept. of Electronics and Telecommunications Technical University of Kosice, Slovakia

  2. Agenda • Introduction • System of function • Application example: PC sound card test

  3. Introduction • Existing software: end user application: • LabVIEW • J. Blair: “Sine-fitting software for IEEE Standards 1057 and 1241” IMTC’99. Proceeding, Venice, Italy, May 1999. pp. 1504-6. • Matlab • J. Márkus, I. Kollár: “Standard framework for IEEE-Std-1241 in Matlab”, IMTC’01 Proceeding, Budapest, Hungary, May 2001, , pp. 1847 – 1852 • J. Márkus, “ADC Test Data Evaluation Program for Matlab” http://www.mit.bme.hu/services/ieee/ADC-test

  4. Why such a library? • Open source library was missing • C language: very common, simply transferable on other platforms and languages • Developing tool: LabWindows/CVI by NI in form of Instrument driver • Based on DYNAD, useable for IEEE, added special functions • Introduced: • J. Šaliga, S. Csernok: C-language function class for signal processing at ADC testing, proc. of ADDA & EWADC 2002 conf., Prague, pp. 235 - 238 • Access in the present: jan.saliga@tuke.sk or http://meas-lab.tuke.sk

  5. Classes of functions • Histogram-based test procedures • Test Conditions • Data Analysis • Data Processing In Time Domain • Data Processing In Frequency Domain • Fourier • Coherent Sampling • Non Coherent Sampling • Miscellaneous

  6. Details and example • Details - see ADC test library.doc • Example – see Test_sound_result

  7. Thank you for your attention

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