Bandgap voltage regulator having low output impedance and wide b

Details Bandgap voltage regulator having low output impedance and wide b Bandgap voltage regulator having low output impedance and wide b

1981-06-22

1982-09-07

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

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

323907, 307310, 330256, G05F 320

Patent

active

043486339

ABSTRACT:
In a solid state temperature compensated voltage supply, a differentially coupled pair of transistors is employed to produce a first voltage having a negative temperature coefficient utilizing a unity gain negative feedback amplifier configuration. Means are provided for producing an adjustable voltage having a positive TC across an output resistor coupled to the output of the unity gain feedback amplifier which when added to the negative temperature coefficient voltage produces a net output voltage which has a zero temperature coefficient, low output impedance and high bandwidth independent of operating voltage.

REFERENCES:
patent: 3617859 (1971-11-01), Dobkin
patent: 3886435 (1975-05-01), Steckler
patent: 3887863 (1975-06-01), Brokaw
patent: 4238738 (1980-12-01), Komori
patent: 4249122 (1981-12-01), Widlar
patent: 4263519 (1981-04-01), Schade, Jr.

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