Receiver input circuit

Details Receiver input circuit Receiver input circuit

1983-03-22

1986-04-01

Bookbinder, Marc E.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

455247, 455249, H04B 126

Patent

active

045802882

ABSTRACT:
A receiver input circuit comprising a control loop for amplification control, wherein the control signal for the control loop is derived from the intermediate frequency signal and supplied to the part of the circuit preceding the mixer stage. The receiver input circuit furthermore comprises a second amplification control loop whose control signal is taken out prior to the mixer stage, and a third amplification control loop whose response threshold and frequency band width are lower than the response threshold and frequency band width of the first and second control circuits.

REFERENCES:
patent: 2112279 (1938-03-01), Hagenhaus
patent: 3611154 (1971-10-01), Kupfer
patent: 3619786 (1971-11-01), Wilcox
patent: 3895299 (1975-07-01), Tiedeman, Jr.
patent: 4030035 (1977-06-01), Ienaka
"Semiconductor Circuitry Examples" Siemens Publication 1972/1973 pp. 38-43.

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