Automatic transmission level control device

Details Automatic transmission level control device Automatic transmission level control device

1992-03-16

1993-10-26

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

With feedback of modulated output signal

455115, H04B 104

Patent

active

052574156

ABSTRACT:
An automatic transmission level control device used in a multi-carrier communication system includes a gain controller for controlling a level of a transmission signal, a transmitter for amplifying the transmission signal, and a hybrid circuit for extracting a part of power of the transmission signal from the transmitter. A level control circuit adjusts a gain of the gain controller on the basis of a magnitude of the transmission signal and data indicating a number of carriers included in the transmission signal. A carrier detection unit filters the transmission signal and generates the data indicating the number of carriers included therein.

REFERENCES:
patent: 5119042 (1992-06-01), Crampton et al.

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