Variable gain amplifier

Details Variable gain amplifier Variable gain amplifier

1979-12-12

1982-06-15

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including gain control means

330278, 330290, 330254, 330293, H03G 330, H03F 134

Patent

active

043353614

ABSTRACT:
A communications channel monitoring system is disclosed for digitally based communication channels carrying signals corrupted by noise. The monitor system provides a signal indicative of the expected value of the communication channel signal if uncorrupted by noise and provides a signal indicating the extent of any such corruption.

REFERENCES:
patent: 3736520 (1973-05-01), Acker
patent: 3921091 (1975-11-01), Van Kessel et al.

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