Constant voltage circuit comprising an IGFET and a transistorize

Details Constant voltage circuit comprising an IGFET and a transistorize Constant voltage circuit comprising an IGFET and a transistorize

1977-03-15

1979-01-16

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

307297, 330277, G05F 156

Patent

active

041351258

ABSTRACT:
A constant voltage circuit comprises an IGFET for deriving an output voltage for a load from a power supply and an inverter circuit responsive to the output voltage for controlling the IGFET in a negative feedback manner to stabilize the output voltage against fluctuations in the supply voltage and the load. The IGFET may be a depletion or an enhancement MOSFET. The inverter circuit preferably comprises an enhancement and a depletion or an enhancement MOSFET. Either a resistor or another IGFET may be connected between the inverter circuit and ground. The constant voltage circuit is readily manufactured as an IC together with an IGFET circuit used as the load.

REFERENCES:
patent: 3508084 (1970-04-01), Warner, Jr.
patent: 3813595 (1974-05-01), Sheng
patent: 3820007 (1974-06-01), Schilling et al.
patent: 3823332 (1974-07-01), Feryszka et al.
patent: 3832644 (1974-08-01), Nagata et al.
patent: 4005353 (1977-01-01), Yokoyama
"FETS-Theory & Applications Notes: No. 1", Amelco Semi-Conductor Booklet; Jun. 1962, pp. 1-7.

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