Amplifiers – Signal feedback – Combined with control of bias voltage of signal amplifier
Patent
1975-06-06
1976-12-14
Mullins, James B.
Amplifiers
Signal feedback
Combined with control of bias voltage of signal amplifier
330 29, 330165, 330188, 330195, H03F 316
Patent
active
039978524
ABSTRACT:
An R. F. wide band amplifier is disclosed. It comprises a high impedance step up transformer at the input end, a wide band high impedance J-Fet attenuator connected to the step up transformer, a dual gate MosFet amplifier connected to the attenuator and a high impedance wide band step down transformer connected to the output of the MosFet. The output of the amplifier is taken from the stepped down side of the transformer.
REFERENCES:
patent: 3371290 (1968-02-01), Kibler
patent: 3525050 (1970-08-01), Wolf et al.
Graf, Jr. William Frank
Schornack Louis Wilfred
Dahl Lawrence J.
Gillman James W.
Motorola Inc.
Mullins James B.
Myer Victor
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