Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Patent
1996-02-16
1999-09-14
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Amplitude control
327483, 327565, G05F 146
Patent
active
059528648
ABSTRACT:
An integratable circuit configuration for stabilizing an operating point of a transistor by negative feedback includes first, second, third and fourth terminals. The fourth terminal is connected to a fixed ground potential, and the first and fourth terminals have a supply voltage source connected therebetween. A first transistor to be stabilized by negative feedback has a collector connected to the second terminal, an emitter connected to the fourth terminal, and a base connected to the third terminal. A second transistor has an emitter connected to the second terminal, a collector connected to the third terminal, and a base. A first resistor is connected between the first terminal and the second terminal. A second resistor is connected between the base of the second transistor and the fourth terminal. A series circuit has at least one first diode and one second diode and is connected between the first terminal and the base of the second transistor.
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Deckers Margarete
Musiol Lothar
Schoepf Klaus-Jurgen
Callahan Timothy P.
Greenberg Laurence A.
Lerner Herbert L.
Shin Eunja
Siemens Aktiengesellschaft
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