Pulse phase difference detecting circuit and A/D converter...

Details Pulse phase difference detecting circuit and A/D converter... Pulse phase difference detecting circuit and A/D converter...

2011-01-04

2011-01-04

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S155000, C327S161000

Reexamination Certificate

active

07864093

ABSTRACT:
Provided is a pulse phase difference detecting circuit including: a first delay circuit that receives a first pulse signal to output a signal obtained by delaying the first pulse signal as a second pulse signal and includes multiple serially-connected delay units having the same delay amount; a second delay circuit that receives the second pulse signal and includes multiple serially-connected delay units having the delay amount; a first delay adjustment circuit that adjusts a delay amount with respect to the second pulse signal and outputs the adjusted second pulse signal back to the first delay circuit as a third pulse signal; and a pulse arrival position detecting circuit that detects a pulse arrival position of the first pulse signal based on outputs of the delay units of the first and second delay circuits that are transmitted as the third and second pulse signals, respectively.

REFERENCES:
patent: 6466151 (2002-10-01), Nishii et al.
patent: 6879278 (2005-04-01), Watanabe et al.
patent: 7292175 (2007-11-01), Watanabe
patent: 7755530 (2010-07-01), Terazawa et al.
patent: 3-125514 (1991-05-01), None
patent: 2004-357030 (2004-12-01), None

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