Amplifiers – With semiconductor amplifying device – Including temperature compensation means
Patent
1991-11-22
1993-01-05
Mottola, Steven
Amplifiers
With semiconductor amplifying device
Including temperature compensation means
330296, H03F 304
Patent
active
051774542
ABSTRACT:
A temperature compensated amplifier circuit includes a control transistor and an output transistor having a control electrode coupled to the main current path of the control transistor. The control electrode of the output transistor is also coupled to a current supply element which is connected in series with the main current path of the control transistor for supplying a bias current whose variation as a result of thermal cooupling between the current supply element and the output transistor is smaller than the variation of the part of the bias current through the main current path of the control transistor as a result of thermal coupling between the control transistor and the output transistor.
REFERENCES:
patent: 3935478 (1976-01-01), Okada et al.
patent: 3952258 (1976-04-01), Smolders
patent: 4092613 (1978-05-01), Boubouleix
Franzblau Bernard
Mottola Steven
U.S. Philips Corporation
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