Amplifiers – With semiconductor amplifying device – Including signal feedback means
Reexamination Certificate
2007-06-12
2009-06-02
Mottola, Steven J (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including signal feedback means
C330S294000
Reexamination Certificate
active
07541873
ABSTRACT:
A high frequency amplifier is provided with: an input terminal receiving a high frequency signal; an output terminal; a three-terminal active element having a first terminal connected with the input terminal and a second terminal connected with the output terminal; a transmission line; and a capacitive structure. The three-terminal active element outputs an output signal from the output terminal in response to the high frequency signal. The transmission line and the capacitive structure are connected in series between the first and output terminals, and operate together as a series resonance circuit. The transmission line functions as an open stub at a series resonance frequency of the series resonance circuit.
REFERENCES:
patent: 6225756 (2001-05-01), Gitsevich
patent: 2000-196365 (2000-07-01), None
patent: 2002-171139 (2002-06-01), None
patent: 2005-176331 (2005-06-01), None
McGinn IP Law Group PLLC
Mottola Steven J
NEC Electronics Corporation
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