Reference voltage source circuit

Details Reference voltage source circuit Reference voltage source circuit

1976-07-20

1978-05-02

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330 69, 330108, 330260, H03F 345

Patent

active

040877582

ABSTRACT:
A reference voltage source circuit includes two transistors having their collectors connected to the input terminals of a differential amplifier. The transistor terminals are connected in common, and to the output of the amplifier.
In accordance with one aspect of the present invention, variable resistance structure is employed to control the collector currents in the transistor to maintain the temperature-output voltage transfer characteristic at a low level. In accordance with another aspect of the present invention, the transistor supply may depend from the amplifier output to reduce the influence of supply voltage variations on the regulated output potential.

REFERENCES:
patent: 3757239 (1973-09-01), Langan
patent: 3972006 (1976-07-01), Ruegg

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