Vector summation power amplifier

Details Vector summation power amplifier Vector summation power amplifier

1982-06-21

1986-03-11

Harkcom, Gary V.

Boots, shoes, and leggings

364721, 307315, G06J 100, G06F 102

Patent

active

045758115

ABSTRACT:
A time sequence of square waves is summed to provide minimum distortion h power voltage sinusoids. The phase difference of two identical sinusoids is varied to control the resultant summed amplitude. Amplitude modulation of the sum sinusoid is achieved through varying the phase relationship between the two identical sinusoids. Frequency and phase modulation is achieved through digital control of the individual square waves.

REFERENCES:
patent: 3648037 (1972-03-01), Tew, Jr.
patent: 3731300 (1973-05-01), Greutman et al.
patent: 3793589 (1974-02-01), Puckette
patent: 3983495 (1976-09-01), Epstein
patent: 3995222 (1976-11-01), Mitarai
patent: 4160245 (1979-07-01), Scott
patent: 4172286 (1979-10-01), Wess
patent: 4346448 (1982-08-01), Insam et al.
patent: 4368432 (1983-01-01), Levy
patent: 4404478 (1983-09-01), Rischmuller

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