Automatic gain control circuit

Details Automatic gain control circuit Automatic gain control circuit

1993-06-15

1996-04-30

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

4552411, 4552491, 4552511, H04B 116

Patent

active

055133878

ABSTRACT:
In a receiver for effecting an intermittent reception operation, a reception unit including an antenna, a radio frequency amplifier, a local oscillator and a mixer, a received signal processing circuit for starting signal processing of a received signal from the reception unit after the passage of a predetermined time, a reception field level detection unit for detecting the level of the received signal and an automatic gain control unit for controlling the level of the received signal within the predetermined time and holding the controlled level after the passage of the predetermined time, are disposed in a plurality of stages.

REFERENCES:
patent: 4330859 (1982-05-01), Takada
patent: 4355414 (1982-10-01), Inoue
patent: 5050192 (1991-09-01), Nawata

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