Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1991-01-31
1992-09-08
LaRoche, Eugene R.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333101, H01P 512
Patent
active
051461900
ABSTRACT:
Disclosed is a circuit for switching a microwave output signal over to a first or a second output. The circuit has: two amplifiers receiving, at input, two parts, substantially equal in power, of an input signal, a coupler having two inputs connected to the outputs of the amplifiers and two outputs forming the outputs of the switching circuit, controllable phase-shifting means to place the signals injected at input of the coupler in phase or in phase opposition and to obtain the output signal sometimes at one output of the coupler and sometimes at the other output. The device can be applied to antenna switching circuits.
REFERENCES:
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patent: 3419821 (1968-12-01), Jones
patent: 3423688 (1969-01-01), Seidel
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patent: 4477781 (1984-10-01), Reuss
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Telecommunications and Radio Engineering, vol. 37/38, No. 1, Antonenko et al.
LaRoche Eugene R.
Plottel Roland
Thomson Tubes Electroniques
Zarabian A.
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