Switching amplifier

Details Switching amplifier Switching amplifier

1990-12-26

1991-12-31

LaRoche, Eugene R.

Amplifiers

Modulator-demodulator-type amplifier

330251, 363 17, 323283, H03F 3393

Patent

active

050775391

ABSTRACT:
A switching amplifier system which in one embodiment includes switching circuitry responsive to a tri-state command signal for providing a power output from a power supply which has amplitude levels, time durations, and polarities corresponding to the tri-state command signal for supply to a load via a suitable filter. A further embodiment includes a linear amplifier, the switching circuitry responding to a fourth state command signal for actuating the linear amplifier to respond directly to an input signal when the amplitude of the input signal is below a selected level.

REFERENCES:
patent: 4240036 (1980-12-01), Kohler
patent: 4249136 (1981-02-01), Suzuki et al.
patent: 4318053 (1982-03-01), Sondermeyer
patent: 4484145 (1984-11-01), Haulin
patent: 4600891 (1986-07-01), Taylor, Jr. et al.
patent: 4953068 (1990-08-01), Henze
patent: 5014016 (1991-05-01), Anderson

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