Power supply circuits

Details Power supply circuits Power supply circuits

1979-06-11

1981-07-28

Shoop, William M.

Electric power conversion systems

Current conversion

With means to selectively provide d.c. of either polarity

363 60, 323223, H02M 318

Patent

active

042813778

ABSTRACT:
A power supply circuit includes an operational amplifier oscillator, a buffer amplifier and a diode pump connected to provide a negative output relative to the more negative of two supply rails. The supply terminals of the operational amplifier are connected to one supply rail and the output of the diode pump respectively, so that when the circuit is first connected to the supply the operational amplifier is initially connected between the rails through the intermediary of the diodes of the diode pump.

REFERENCES:
patent: 3670230 (1972-06-01), Rooney et al.
patent: 3821627 (1974-06-01), Milovancevic
patent: 3944908 (1976-03-01), Oki
patent: 4045719 (1977-08-01), Salzer
E. R. Hnatek, "Use Integrated Circuits in Transformerless DC-TO-DC Converters", Feb. 5, 1973, Electrical Design News, vol. 18, No. 3, pp. 58-60.

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