Apparatus for amplifying a signal using digital pulse width modu

Details Apparatus for amplifying a signal using digital pulse width modu Apparatus for amplifying a signal using digital pulse width modu

1997-09-24

2000-03-14

Pham, Chi H.

Pulse or digital communications

Receivers

375238, 332119, H03K 900, H03K 708, H03C 300

Patent

active

060382651

ABSTRACT:
An electronic apparatus that includes a digital processor (12), a first digital pulse width modulator (304), a second digital pulse width modulator (306), a combining circuit (308), and a load (310). The digital processor (12) produces a first digital signal (314) and a second digital signal (316). The first digital pulse width modulator (304) is responsive to the first digital signal (314), and the second digital pulse width modulator (306) is responsive to the second digital signal (316). The combining circuit (308) is responsive to the first digital pulse width modulator (304) and the second digital pulse width modulator (306). The load (310) is responsive to the combining circuit (308).

REFERENCES:
patent: 4352154 (1982-09-01), Reiber
patent: 4931751 (1990-06-01), Keller et al.
patent: 5148168 (1992-09-01), Masuda et al.
patent: 5311548 (1994-05-01), Nikolaus
patent: 5553012 (1996-09-01), Buss et al.
patent: 5774084 (1998-06-01), Brombaugh et al.

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