Frequency modulated signal pre-amplifier with amplitude modulate

Details Frequency modulated signal pre-amplifier with amplitude modulate Frequency modulated signal pre-amplifier with amplitude modulate

1974-01-10

1976-06-22

Safourek, Benedict V.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343701, H04B 116

Patent

active

039654265

ABSTRACT:
For use with radio receivers adapted to receive both frequency and amplitude modulated signals, a frequency modulated signal preamplifier adapted to be serially connected between the antenna input lead and antenna connector of such a radio, the pre-amplifier including means for separating the amplitude modulated and frequency modulated signals, amplifying the frequency modulated signals, and recombining the signals for input at the antenna input terminal of the receiver.

REFERENCES:
patent: 2679001 (1954-05-01), Tomcik
patent: 2935695 (1960-05-01), Wlasuk
patent: 2959644 (1960-11-01), Grace
patent: 3064195 (1962-11-01), Freen
patent: 3243708 (1966-03-01), Manson
patent: 3287644 (1966-11-01), Poppy
patent: 3611198 (1971-10-01), Ma
patent: 3614628 (1971-10-01), Ringland
patent: 3723884 (1973-03-01), Asplin

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