Amplifiers – With semiconductor amplifying device – Including protection means
Reexamination Certificate
2011-01-25
2011-01-25
Mottola, Steven J (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including protection means
Reexamination Certificate
active
07876161
ABSTRACT:
An amplifier circuit includes a first amplifying section for amplifying a signal, and a second amplifying section for amplifying the signal amplified by the first amplifying section. A capacitive element connects the output of the first amplifying section to the input of the second amplifying section. When power is applied to the amplifier circuit, a bypass circuit causes the electric current flowing from a first power supply toward the input of the second amplifying section through the first amplifying section and the capacitive element to be bypassed to a second power supply.
REFERENCES:
patent: 4496908 (1985-01-01), Takano et al.
patent: 6271727 (2001-08-01), Schmukler
patent: 57-207405 (1982-12-01), None
patent: 5-308233 (1993-11-01), None
patent: 6-314935 (1994-11-01), None
Behzad Razavi “RF Microelectronics” RF Microelectronics published by Maruzen Co., Ltd., pp. 186-187, Mar. 2002.
International Search Report dated Dec. 4, 2007, from the corresponding International Application.
Fujitsu Limited
Katten Muchin & Rosenman LLP
Mottola Steven J
LandOfFree
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