Bidirectional radio frequency amplifier with receiver protection

Details Bidirectional radio frequency amplifier with receiver protection Bidirectional radio frequency amplifier with receiver protection

1976-08-02

1977-10-18

Safourek, Benedict V.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 22, 325 25, 343180, H04B 140

Patent

active

040548376

ABSTRACT:
A bidirectional radio frequency amplifier which includes a power amplifier and a receiver amplifier connected to a common antenna. A pair of parallel diodes coupled across the input of the receiver amplifier provides a high impedance path for a received signal and a low impedance path during transmission thereby eliminating the need for mechanical or semiconductor switching.

REFERENCES:
patent: 3117241 (1964-01-01), Paynter
patent: 3327215 (1967-06-01), Battin
patent: 3835384 (1974-09-01), Liff
patent: 3858063 (1974-12-01), Saleme

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