Redundant RF system for space application

Details Redundant RF system for space application Redundant RF system for space application

1977-07-11

1979-04-03

Safourek, Benedict V.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343176, 343180, 333206, 325366, H04B 150

Patent

active

041479807

ABSTRACT:
An S-band radio frequency subsystem including two transmitters, two receivers and two antennas and capable of connecting either transmitter or receiver to either antenna while permitting simultaneous operation of a transmitter and a receiver. Circulator switches provide selection of a specific transmitter and receiver for connection to either a high gain or low gain antenna. Transmitter output filters, receiver input filters, and diplexers are combined to prevent radiation or coupling of unwanted transmitter and receiver signals and to provide isolation, permitting simultaneous operation of the transmitter and receiver. The filter elements are designed of constant diameter coaxial elements to meet demanding rejection, loss, power-handling and environmental characteristics.

REFERENCES:
patent: 2890283 (1959-06-01), Tanaka et al.
patent: 2938206 (1960-05-01), Davis et al.
patent: 3045185 (1962-07-01), Mathwich
patent: 3095538 (1963-06-01), Silberstein
patent: 3271683 (1966-09-01), Sosin
patent: 3659232 (1972-04-01), Foley
patent: 3731235 (1973-05-01), Ditullio
patent: 3742506 (1973-06-01), Wilkinson

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