Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1978-11-09
1980-07-01
Gensler, Paul L.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333204, 333246, H01P 120, H01P 518
Patent
active
042108810
ABSTRACT:
A planar millimeter wave microstrip triplexer for separating three contigs bands of frequencies (lower, middle and upper bands). The middle band is separated by the use of a diplexer comprising two quadrature couplers connected by dual identical planar bandpass filter sections. A second diplexer comprised of two edge-coupled filter sections is connected to the isolated port of the input quadrature coupler of the first diplexer. Signal components contained in the upper and lower frequency bands appear at the respective outputs of the second diplexer.
REFERENCES:
patent: 2922123 (1960-01-01), Cohn
Fendelman H.
Gensler Paul L.
Rubens G. J.
Sciascia R. S.
The United States of America as represented by the Secretary of
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