Power efficient radio receiver apparatus

Details Power efficient radio receiver apparatus Power efficient radio receiver apparatus

1981-03-13

1983-10-18

Bookbinder, Marc E.

Telecommunications

Receiver or analog modulated signal frequency converter

Squelch

455222, 455225, 455343, H04B 110

Patent

active

044110200

ABSTRACT:
An improvement in a radio receiver having a power supply and an audio amplifier circuit comprises a switching circuit interposed between the power supply and the audio amplifier circuit and including a control input responsive to a signal of predetermined level for substantially cutting off the audio amplifier circuit means from said power supply. In accordance with one aspect of the invention, this control input may be coupled to a squelch circuit. In accordance with another aspect of the invention, this control input may also be coupled to an AGC circuit.

REFERENCES:
patent: 2056852 (1936-10-01), Hayden
patent: 2844714 (1958-07-01), Cardon et al.
patent: 3320492 (1967-05-01), Knochenhauer et al.
patent: 3569840 (1971-03-01), Tanaka et al.
patent: 3852671 (1974-12-01), Risley

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