Title :
Differential gain and phase testing using joint time-frequency analysis
Author :
Mendonca, H.S. ; Silva, J.M. ; Matos, J.S.
Author_Institution :
Fac. de Engenharia, Porto Univ., Portugal
Abstract :
An alternative technique for differential gain and phase testing of video ADCs based on the use of joint time-frequency analysis is presented. This technique can lead to a significant improvement in ADC testing time and in the amount of information provided by these specific tests
Keywords :
Fourier transforms; analogue-digital conversion; integrated circuit testing; signal representation; signal sampling; time-frequency analysis; video signal processing; colour video signal; differential gain testing; differential phase testing; improved testing time; joint time-frequency analysis; mixed signal test; short-time FT; video ADC; Brightness; Discrete Fourier transforms; Fourier transforms; Signal processing; Spectrogram; Testing; Time frequency analysis; Uniform resource locators;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 2001. IMTC 2001. Proceedings of the 18th IEEE
Conference_Location :
Budapest
Print_ISBN :
0-7803-6646-8
DOI :
10.1109/IMTC.2001.929554
