Amplifier for receive mode operation

Details Amplifier for receive mode operation Amplifier for receive mode operation

1976-08-05

1977-12-13

Griffin, Robert L.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

325 21, 325313, 325485, 330151, H04B 110

Patent

active

040631753

ABSTRACT:
An amplifier circuit to be interposed between an antenna and a utilization unit such as a radio, scanner, citizens band transceiver or the like. The amplifier circuit includes a current divider for dividing incoming signals into first and second parallel paths and a current amplifier including a pair of cascaded transistors to receive and amplify signals in said second path. The signals in the first path are passed to the utilization unit without amplification. A sensing network is provided to bypass the current divider and the amplifier when the utilization unit is transmitting signals.

REFERENCES:
patent: 3168707 (1965-02-01), Levitt et al.
patent: 3368156 (1968-02-01), Kam
patent: 3530245 (1970-09-01), Berns
patent: 3761823 (1973-09-01), Harris

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