Method and apparatus for controlling the carrier of an amplitude-modulated transmitter
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United States of America Patent
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Feb 24, 1987
Grant Date -
N/A
app pub date -
Apr 26, 1985
filing date -
May 10, 1984
priority date (Note) -
Expired
status (Latency Note)
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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.
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