High speed squelch circuit

Details High speed squelch circuit High speed squelch circuit

1980-08-06

1982-11-16

Chin, Tommy P.

Telecommunications

Receiver or analog modulated signal frequency converter

Squelch

455212, 179 1P, H04B 110

Patent

active

043597807

ABSTRACT:
A high frequency squelch circuit for communications receivers with relatively long time delay when operating on weak signals with a short time delay on strong signals which completely eliminates any audible noise burst, and with continuously variable delay as an inverse function of signal strength at intermediate signal levels. The high speed squelch performance is achieved without degrading chatter performance by operating at frequencies above the audio range and utilizing wider noise bandwidth.

REFERENCES:
patent: 3596184 (1971-07-01), Hanus
patent: 3628058 (1971-12-01), Espe
patent: 3660765 (1972-05-01), Glasser
patent: 3728634 (1973-04-01), Watkinson
patent: 3769592 (1973-10-01), Espe
patent: 3805166 (1974-04-01), Paredes
patent: 3934206 (1976-01-01), Holecek
patent: 3979679 (1976-09-01), Bush

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