Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent
1981-04-13
1983-08-09
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Delay lines including long line elements
333164, 343854, H01P 118, H01P 504
Patent
active
043981615
ABSTRACT:
A phase shifting circuit comprising a quadrature hybrid for splitting a source of signals into two paths, with an amplifier in each path and a summing hybrid for recombining the outputs from the amplifiers to produce a resultant signal. Phase shift adjustment is achieved by independently varying the gain control voltage of each amplifier.
REFERENCES:
patent: 3323080 (1967-05-01), Schwelb et al.
patent: 3419823 (1968-12-01), Seidel
patent: 3516024 (1970-06-01), Lange
patent: 4161705 (1979-07-01), Nemit et al.
Kiss, Jr. Steve
Krueger Thomas K.
Lamb Franklin D.
Franz Bernard E.
Nussbaum Marvin L.
Singer Donald J.
The United States of America as represented by the Secretary of
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