Radio-frequency power amplification circuit having...

Details Radio-frequency power amplification circuit having... Radio-frequency power amplification circuit having...

2006-01-03

2006-01-03

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

C330S306000, C330S286000

Reexamination Certificate

active

06982603

ABSTRACT:
A radio-frequency power amplification circuit includes a transistor and a stablization circuit that is provided upstream of the transistor. The stabilization circuit includes a series resistor, a first end of which is connected to the transistor and a second end of which is connected to an input terminal, a resistance element, a first end of which is connected to the second end of the series resistor, and a short stub, a first end of which is connected to the second end of the resistance element and the second end of which is grounded via a capacitance element.

REFERENCES:
patent: 4525678 (1985-06-01), Lehmann et al.
patent: 4930044 (1990-05-01), Eda et al.
patent: 5159287 (1992-10-01), Furutani et al.
patent: 6130580 (2000-10-01), Uchida et al.
patent: 6225756 (2001-05-01), Gitsevich

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