Power supply modulator circuit for transmitter

Details Power supply modulator circuit for transmitter Power supply modulator circuit for transmitter

1997-07-07

1999-09-07

Grimm, Siegfried H.

Modulators

Amplitude modulator

Plural modulation

332178, 330251, 330297, 455108, 455126, 455127, H03C 136, H03F 3217

Patent

active

059492961

ABSTRACT:
The present invention relates to a power supply modulator for a radio transmitter having apportioned input impedance and buffered switching of power modules. A series arrangement of power supply modules, conventionally disposed in a diode cascade, includes individual inductors to apportion the input impedance of the switching power supplies. The switching sequence of the power supplies is controlled by a FIFO buffer, with the sequentially adjacent power supplies being disposed physically remote so that current transients and thermal loads are more uniformly distributed.

REFERENCES:
patent: 4403197 (1983-09-01), Swanson
patent: 4560944 (1985-12-01), Furrer
patent: 4730167 (1988-03-01), Beeken et al.
patent: 4745368 (1988-05-01), Lodahl
patent: 5099203 (1992-03-01), Weaver et al.

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