Power supply circuit

Details Power supply circuit Power supply circuit

1975-01-29

1976-06-15

Pellinen, A. D.

Oscillators

Relaxation oscillators

321 45R, 331113R, H02M 3335

Patent

active

039639746

ABSTRACT:
A power supply circuit, suitable for powering a magnetic bubble memory from a remote central office over the telephone subscriber loop, employs a multivibrator arranged to provide a constant a-c current output regardless of voltage and impedance variations on the line. A plurality of rectifier-capacitor circuits is responsive to the output of the multivibrator to supply different output voltages at levels higher than those available at the telephone station set.

REFERENCES:
patent: 2959745 (1960-11-01), Greig
patent: 3297954 (1967-01-01), Wiley
patent: 3361952 (1968-01-01), Bishop
patent: 3753076 (1973-08-01), Zelina
Davidson et al., "Square-wave Oscillator Circuit", IBM Technical Discosure Bulletin, vol. 14, No. 11, Apr., 1972, p. 3548, S 2767-0303.

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