Electrically controlled radio frequency tuner

Wave transmission lines and networks – Coupling networks – Nonreciprocal gyromagnetic type

Patent

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Details

333 81B, 333253, 333258, H01P 120, H01P 123

Patent

active

046045929

ABSTRACT:
An electrically controlled radio frequency tuner used in conjunction with an antenna. The antenna used both as a transmitter and a receiver. The tuner eliminating waveform reflection and circulator feedthrough of transmitted signals which heretofore reflected back into the receiver creating a noise threshold that decreased the sensitivity of the receiver.

REFERENCES:
patent: 2532157 (1950-11-01), Evans
patent: 2629079 (1953-02-01), Miller et al.
patent: 2944220 (1960-07-01), Tellegen

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