Power amplifying apparatus

Details Power amplifying apparatus Power amplifying apparatus

2007-11-20

2007-11-20

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

C330S261000, C330S271000

Reexamination Certificate

active

11144856

ABSTRACT:
A push-pull amplifier includes a pair of transistors, wherein each of the transistors has a control terminal, a first terminal, and a second terminal. A current that flows between the first terminal and the second terminal is controlled in accordance with signals applied to the control terminal, such that when an amount of current flowing between the first terminal and the second terminal of one of the transistors is within a predetermined range, a high-frequency component of the signals input to the control terminal of one of the transistors is amplified, and when this current is outside the predetermined range, the high frequency component is not amplified.

REFERENCES:
patent: 5229721 (1993-07-01), Stade
patent: 5467058 (1995-11-01), Fujita
patent: 6396933 (2002-05-01), Jung et al.
patent: 2 073 524 (1981-10-01), None
patent: 08-097645 (1996-04-01), None
patent: 2003-060451 (2003-02-01), None

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