Amplifiers – With semiconductor amplifying device – Including plural amplifier channels
Reexamination Certificate
2004-12-03
2009-02-10
Nguyen, Patricia (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including plural amplifier channels
C330S12400D, C330S053000
Reexamination Certificate
active
07489197
ABSTRACT:
Microwave coupling network comprising a passive resistive pi net and a coupling capacitor is coupled to a branching point. The branching point is coupling to respectively a plurality of common drain FET amplifier stages or respectively to common collector BJT amplifier stages, wherein respectively the source, or respectively the emitter, is coupled to at least one output port.
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patent: 6816012 (2004-11-01), Aoki et al.
patent: 2002/0036541 (2002-03-01), Buer
“1 Watt 17.7GHz-32 GHz Linear Power Amplifier, application note #52-Rev. A. Jul. 1, 1998” Agilent Technologies.
Nguyen Patricia
Telefonaktiebolaget L M Ericsson (Publ)
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