Power supply current monitoring techniques for testing PLLs

TitlePower supply current monitoring techniques for testing PLLs
Publication TypeConference Paper
Year of Publication1997
AuthorsDalmia, M., A. Ivanov, and S. Tabatabaei
Conference NameTest Symposium, 1997. (ATS '97) Proceedings., 6th Asian
Pagination366 -371
Date Publishednov.
Keywordsanalogue circuit testing, analogue integrated circuits, automatic testing, Circuit analysis computing, current testing, digital IC, electric current measurement, fault detection, fault diagnosis, integrated circuit testing, mixed analogue-digital integrated circuits, mixed-signal ICs, Monte Carlo methods, nonlinear circuits, phase locked loops, phase-locked loops, PLL testing, power supply current monitoring, VCO testing

The effectiveness of current testing for digital IC's has led researchers to explore the possibility of extending this concept to testing analog blocks of mixed-signal ICs. Unfortunately, test techniques developed for commonly-studied analog blocks such as op-amps and filters do not apply to non-linear blocks such as phase-locked loops. This paper focuses on investigating the effectiveness of using an operating power supply current monitoring technique to detect potential faults in a phase-locked loop (PLL) circuit


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