Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1989-12-20
1990-08-28
Beha, Jr., William H.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
307263, 3072968, 320 1, 330253, G05F 156
Patent
active
049528637
ABSTRACT:
An improved voltage regulator system is provided which includes a differential amplifier, an output transistor having a control electrode coupled to an output of the differential amplifier and a current carrying electrode fed back to an input of the amplifier, an input control transistor having a first current carrying electrode connected to the control electrode of the output transistor and a second current carrying electrode connected to a point of fixed potential and means for selectively applying a control signal to a control electrode of the input control transistor.
REFERENCES:
patent: 3437912 (1969-04-01), Morris
patent: 4176387 (1979-11-01), Harper
patent: 4185211 (1980-01-01), Kucharewski
patent: 4431927 (1984-02-01), Eaton, et al.
patent: 4574232 (1986-03-01), Petty
patent: 4774691 (1988-09-01), Hidaka
Sartwell Alfred L.
Thoma Endre P.
Beha Jr. William H.
International Business Machines - Corporation
Limanek Stephen J.
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