Phase-tracking loop based on delta-sigma oversampling architecture

This paper presents a new oversampling architecture for implementing phase-tracking loop that is commonly utilized for position sensors such that synchro, resolver, and incremental encoder. This architecture consists of the cascade connection of three stage: coarse-quantizing and oversampling modula...

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Bibliographic Details
Published in2006 IEEE International Symposium on Circuits and Systems (ISCAS) pp. 4 pp. - 3785
Main Authors Orino, Y., Kurosawa, M.K., Katagiri, T.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2006
Subjects
Analog-digital conversion
Detectors
Digital filters
Encoding
Feedback circuits
Phase detection
Phase modulation
Signal processing
Signal resolution
Tracking loops
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Summary:This paper presents a new oversampling architecture for implementing phase-tracking loop that is commonly utilized for position sensors such that synchro, resolver, and incremental encoder. This architecture consists of the cascade connection of three stage: coarse-quantizing and oversampling modulation, direct signal processing, and decimation filtering. It is expected that the oversampling strategy and the signal processing increase the resolution of detecting phase as well as oversampling A/D converters. This paper shows a simplest design of the signal processing circuit and some simulation results
ISBN:0780393899
9780780393899
ISSN:0271-4302
2158-1525
DOI:10.1109/ISCAS.2006.1693451