Digital pulse width modulator

Details Digital pulse width modulator Digital pulse width modulator

1999-02-17

2000-03-28

Pham, Chi H.

Pulse or digital communications

Pulse width modulation

332109, 329311, H03K 708, H03K 900

Patent

active

060441135

ABSTRACT:
A digital pulse width modulation circuit and method includes a first pulse width clock signal modulated by a second pulse width clock signal that represents a converted analog voltage input. The first and second pulse width signals are provided to a counter that counts to a predetermined gate count, wherein an output pulse width signal is provided that is in proportion to the analog voltage input.

REFERENCES:
patent: 4489267 (1984-12-01), Saar et al.
patent: 4890214 (1989-12-01), Yamamoto
patent: 5361290 (1994-11-01), Akiyama
patent: 5623518 (1997-04-01), Pfiffner
patent: 6005377 (1999-12-01), Chen et al.

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