Amplifier circuit having first amplifying section and second...

Details Amplifier circuit having first amplifying section and second... Amplifier circuit having first amplifying section and second...

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.

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