Antenna transducer for a transmission-reception antenna

Details Antenna transducer for a transmission-reception antenna Antenna transducer for a transmission-reception antenna

1981-07-29

1983-10-18

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333 21A, 333208, H01P 1213

Patent

active

044108664

ABSTRACT:
A transducer for coupling to an antenna with a first polarizing duplexer for working in a low-frequency band, a between-guide transition element formed from a variable-section guide and a second polarizing duplexer for working in a high-frequency band. In the polarizing openings of the first duplexer are placed dipoles resonating at the mean frequency of the high band which cause a short-circuit for the high frequencies and let the low frequencies pass. A set of quasioptical filters, situated in the body of the first duplexer, between the polarizing openings of this first duplexer and the transition element, causes a short-circuit for the low frequencies and lets the high frequencies pass.

REFERENCES:
patent: 3731235 (1973-05-01), Ditullio et al.
patent: 3978434 (1976-08-01), Morz et al.
patent: 4185257 (1980-01-01), Nakajima
Harkless, A., Network for Combining Radio Systems at 4, 6 and 11 KMC, Bell Tele. Tech. Jrnl., Sep. 1959, vol. 38, No. 5, pp. 1253-1263 cited.

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