Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Patent
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.
Ingrassia Vincent B.
Motorola Inc.
Shoop William M.
Wong Peter S.
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