Stabilized circuit of high output power transistor for microwave

Details Stabilized circuit of high output power transistor for microwave Stabilized circuit of high output power transistor for microwave

1990-12-14

1993-01-05

Dzierzynski, Paul M.

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330306, H03F 316

Patent

active

051774526

ABSTRACT:
An amplifier is comprised of a GaAsFET transistor connected between input matching circuit and output matching circuit for effecting amplification in microwave band and milliwave band. A filter circuit is interposed between the input matching circuit and a gate electrode of the transistor so as to selectively reduce an input impedance at 1/2 frequency of the operation frequency to thereby stabilize the operation of the transistor.

REFERENCES:
patent: 3860881 (1975-01-01), Etherington et al.
patent: 4504796 (1985-03-01), Igarashi
patent: 4590437 (1986-05-01), Butler et al.
patent: 4638261 (1987-01-01), McGuire et al.
patent: 4803443 (1989-02-01), Takagi et al.
patent: 4878033 (1989-10-01), Wong
patent: 4987384 (1991-01-01), Yamanouchi et al.
patent: 5051706 (1991-09-01), Zushi
patent: 5089790 (1992-02-01), Mochizuki et al.

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