Method and apparatus for controlling the carrier of an amplitude

Details Method and apparatus for controlling the carrier of an amplitude Method and apparatus for controlling the carrier of an amplitude

1985-04-26

1987-02-24

Safourek, Benedict V.

Telecommunications

Transmitter

Amplitude modulation

330 10, 455116, H03F 338, H04B 103

Patent

active

046463593

ABSTRACT:
A method for controlling the carrier of an amplitude-modulated transmitter, wherein a saving in carrier power with simultaneous minimum dynamic distortions is achieved by digitizing the useful signal and digitally processing all control signals. The circuit for carrying out the method contains a digital computing circuit which calculates from the digital amplitude values of the useful signal a carrier-control value which controls the carrier level via a digital switching amplifier.

REFERENCES:
patent: 3229209 (1966-01-01), Critchlow et al.
patent: 4186346 (1980-01-01), Wysocki
patent: 4403197 (1983-09-01), Swanson
patent: 4417358 (1983-11-01), Zeis
patent: 4449103 (1984-05-01), Kyrian
patent: 4524335 (1985-06-01), Yokoyama
patent: 4560944 (1985-12-01), Furrer

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