Automatic gain control of transponded supervisory audio tone

Details Automatic gain control of transponded supervisory audio tone Automatic gain control of transponded supervisory audio tone

1993-03-23

1995-04-25

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

With control signal

4552341, 4552451, 375345, H04B 7005

Patent

active

054107415

ABSTRACT:
The process of the present invention encompasses a method for automatically controlling the gain of a transponded modulation signal. The process receives a demodulated signal, detects whether SAT is present, and transmits the SAT. Before transmission, the transmitted SAT is adjusted for the gain of the modulator and for the gain of the receiver.

REFERENCES:
patent: 5001742 (1991-03-01), Wang
patent: 5040194 (1991-08-01), Tjahjadi et al.
patent: 5081670 (1992-01-01), Reum
patent: 5107225 (1992-04-01), Wheatley, III et al.
patent: 5199045 (1993-03-01), Kato

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