Switch circuit

Details Switch circuit Switch circuit

2007-05-22

2009-10-27

Takaoka, Dean O (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S247000

Reexamination Certificate

active

07609128

ABSTRACT:
A branch path having a transmission line and a distributed constant line includes a resonant circuit. The resonant circuit resonates at a predetermined operating frequency when the branch path is in OFF state. At this time, the distributed constant line has a predetermined impedance. Further, an impedance of a node between the resonant circuit and distributed constant line can be set on a circle of a reflection coefficient1near short on the Smith chart.

REFERENCES:
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patent: 5485130 (1996-01-01), Nakahara et al.
patent: 5856713 (1999-01-01), Huettner et al.
patent: 6118985 (2000-09-01), Kawakyu et al.
patent: 6980057 (2005-12-01), Morimoto et al.
patent: 2910681 (1999-04-01), None
patent: 3099880 (2000-08-01), None

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