Apparatus for controlling transmission output power

Details Apparatus for controlling transmission output power Apparatus for controlling transmission output power

H - Electricity

03

G

325/53

H03G 3/20 (2006.01)

Patent

CA 1225122

Abstract of the Disclosure In transmission output power control apparatus of the type comprising a voltage variable attenuator inputted with a transmission signal, a power amplifier amplifying the output of the attenuator, a circuit detecting a portion of the output of the power amplifier, a reference voltage generator, a comparator for comparing with each other the outputs of the detector and the reference voltage generator and producing an error signal, a DC amplifier for amplifying the error signal, the output of the DC amplifier being supplied to the voltage variable attenuator for controlling either one or both of the input level and output gain of the power amplifier, there is provided a control voltage generator for producing a gain control voltage which is used to control the gain of the DC amplifier in response to the output of the detector.

461244

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