Waste energy control and management in power amplifiers

Details Waste energy control and management in power amplifiers Waste energy control and management in power amplifiers

1995-06-07

1998-06-23

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

455343, 363 68, H04B 104

Patent

active

057714444

ABSTRACT:
An efficient transmitter is disclosed which comprises a direct current power source and an amplifier for amplifying a drive signal so as to produce a desired signal and a waste energy signal. An antenna is used to transmit the desired signal. A plurality of rectifier stages are connected in a cascade formation and convert the waste energy signal to direct current which is fed to the direct power source. Furthermore, power reflected when an amplifier load deviates from a perfect match in one amplifier stage is sent to a next amplifier stage in the cascade formation so that the reflected power is transferred to the direct power source.

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