Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2011-03-15
2011-03-15
Pascal, Robert (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
C333S126000, C333S132000
Reexamination Certificate
active
07907033
ABSTRACT:
Tunable impedance matching networks and tunable diplexer matching systems are provided. A tunable impedance matching network can include an impedance element connected between first and second nodes for communicating signals between the first and second nodes. For example, the impedance element can be a transmission line or an inductor. Further, the matching network can include a first capacitor connected in parallel with the impedance element, wherein the first capacitor is tunable. The matching network can also include a second capacitor comprising first and second terminals. The first terminal of the second capacitor can be connected to the first node. The second terminal of the second capacitor can be connected to a local voltage reference for the first node. A third capacitor comprises first and second terminals. The first terminal of the second capacitor can be connected to the second node. The second and third capacitors can also be tunable.
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International Search Report dated Feb. 7, 2008 for International Application No. PCT/US07/05995.
Griffith Scott
Morris, III Arthur S.
Ye Tao
Glenn Kimberly E
Jenkins Wilson Taylor & Hunt, P.A.
Pascal Robert
Wispry, Inc.
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