Radio frequency combiner

Details Radio frequency combiner Radio frequency combiner

2007-10-16

2009-02-17

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S100000, C333S129000, C333S132000

Reexamination Certificate

active

07492239

ABSTRACT:
An electronic circuit, an RF signal power amplifier circuit, and an integrated circuit provide for combining two radio frequency signals. These circuits include, among other things, capacitors (276, 282) that provide an elliptic section. This elliptic section simultaneously allows for filtering and reduction in required values for first and second inductors (248, 272), respectively. For example, the filtering provided by the capacitors (276, 282) allows for the harmonic of the combining frequency to be filtered out. This allows a designer to compensate for additional loss experienced by the circuit (200) by reducing filtering from sections that follow the circuit (200).

REFERENCES:
patent: 4851795 (1989-07-01), Beckwith
patent: 5045821 (1991-09-01), Staudinger et al.
patent: 5430418 (1995-07-01), Blodgett
patent: 5469129 (1995-11-01), Dydyk
patent: 5939939 (1999-08-01), Gaynor et al.

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