Bias circuit for a microwave transistor power amplifier

Details Bias circuit for a microwave transistor power amplifier Bias circuit for a microwave transistor power amplifier

1980-12-24

1983-06-07

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including particular biasing arrangement

330289, 455127, H03F 304

Patent

active

043873464

ABSTRACT:
A microwave frequency transmitter which operates at low source voltages and which obtains a microwave frequency carrier through frequency multiplication of relatively low frequencies. The transmitter further includes transistor amplifiers which operate from an unregulated, decreasing source voltage, but are base current regulated to provide an essentially constant power output regardless of decreasing source voltage with operational time.

REFERENCES:
patent: 3430155 (1969-02-01), Harwood
patent: 3896394 (1975-07-01), Baro
patent: 3999140 (1976-12-01), Radovsky
patent: 4027271 (1977-05-01), Cave et al.
"Low-noise V.H.F. Aerial Amplifier", Elektor, Jul./Aug., 1977, p. 24.

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