Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1982-11-09
1985-07-30
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333238, H01P 518
Patent
active
045324840
ABSTRACT:
A radio frequency circuit for coupling radio frequency (r.f.) energy between an input port and a pair of output ports with an isolation port being provided for reflected energy. The circuit includes a pair of strip conductors, each one thereof having first surface portions dielectrically spaced a first predetermined distance from a ground plane conductor and second surface portions dielectrically spaced a second different predetermined distance from the ground plane conductor. The first surface portions of one of the pair of strip conductors are electromagnetically coupled, through the dielectric, to the second surface portions of the other one of the pair of strip conductors. In one embodiment, intermediate portions of the pair of strip conductors are interlaced with end portions thereof providing a corresponding one of the aforementioned ports. More particularly, a first plurality of successively spaced strip conductor portions, and a second like plurality of successively spaced strip conductor portions are dielectrically separated from the first plurality of spaced strip conductor portions. Each intermediate one of the first and second plurality of strip conductor portions is connected to a pair of strip conductors flanking the strip conductor portion electromagnetically coupled thereto, to provide a pair of dielectrically separated, interlaced, strip conductors. First and last ones of the first and second plurality of strip conductor portions are coupled to the aforementioned ports. In a second embodiment, end portions of the pair of strip conductors are interlaced and said end portions provide a corresponding one of such aforementioned ports.
REFERENCES:
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patent: 3562674 (1971-02-01), Gerst
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patent: 4313095 (1982-01-01), Jean-Frederic
patent: 4375053 (1983-02-01), Viola et al.
patent: 4394629 (1983-07-01), Kumar et al.
patent: 4394630 (1983-07-01), Kenyon et al.
Platzker Aryeh
Tajima Yusuke
Gensler Paul
Maloney Denis G.
Pannone Joseph D.
Raytheon Company
Sharkansky Richard M.
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