Efficient bipolar regulated power supply

Details Efficient bipolar regulated power supply Efficient bipolar regulated power supply

1978-07-31

1980-06-10

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Load current control

307 77, 323 20, 323 25, G05F 156

Patent

active

042074754

ABSTRACT:
In a bipolar regulated power supply, two pass devices (transistors) are connected in a complementary symmetry circuit, one controlling the current from a positive voltage source and the other the current from a negative voltage source. One pass device connected in a first control loop is controlled by a source of input signals and feedback from the output terminal. A second control loop maintains a constant quiescent current in the two pass devices. In order to maintain this quiescent current in the presence of load current, a second feedback to the second loop, sensing load current, is provided.

REFERENCES:
patent: 3466455 (1969-09-01), Hecht et al.
patent: 3697862 (1972-10-01), Taylor
patent: 3935529 (1976-01-01), Kalmanash et al.
patent: 4004155 (1977-01-01), Nercessian

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