Regulated bifurcated power supply

Details Regulated bifurcated power supply Regulated bifurcated power supply

1989-12-15

1990-10-16

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323275, 307 43, 307 49, 307 77, G05F 1613

Patent

active

049638149

ABSTRACT:
A regulated power supply employs two separate sources of power which are serially connected by a variable impedance element, such as a transistor, connected between the two power sources. Output voltage of the power supply is equal to the sum of the individual power supply voltages minus a voltage drop across the variable impedance element. A sensor circuit employing standby and active mode branches is coupled between output terminals of the power supply for control of the variable impedance element. The active branch of the sensor is switchably connected to an output power terminal of the supply so as to be operative only during the active mode. The standby branch comprises a resistive network coupled to a reference diode while the active branch comprises a feedback amplifier coupled to the reference diode.

REFERENCES:
patent: 3343073 (1967-09-01), Mesenheimer
patent: 3459957 (1969-08-01), Kelley
patent: 3495157 (1970-02-01), Nercessian
patent: 3704381 (1972-11-01), Nercessian
patent: 3787730 (1974-01-01), Ray et al.
patent: 4288739 (1981-09-01), Nercessian
patent: 4812672 (1989-03-01), Cowan et al.

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