Amplifiers – With semiconductor amplifying device – Including particular biasing arrangement
Patent
1982-05-03
1985-02-12
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including particular biasing arrangement
330149, 330267, 330270, H03F 126
Patent
active
044994311
ABSTRACT:
An apparatus for improving the salient properties of the output stages of electronic power amplifiers v.s. varying load conditions. A novel circuit, based on current feedback sensing the instantaneous drive current of the output devices, is used to linearize the output characteristics of the output devices. The important features, compared with the presently known and employed drive circuits, relate to a more linear transfer characteristic, much larger output current capability, and more output amplifier design.
REFERENCES:
Robert Widlar, "A New Breed of Linear ICS Runs at 1-volt Levels", Electronics, Mar. 29, 1979, vol. 52, No. 7.
Mullins James B.
Shin-Shirasuna Electric Corp.
Wan G.
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