Bandgap reference circuit having higher-order temperature compen

Details Bandgap reference circuit having higher-order temperature compen Bandgap reference circuit having higher-order temperature compen

1987-12-14

1989-01-10

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307310, 323281, 323313, 323907, G05F 1567

Patent

active

047975776

ABSTRACT:
A bandgap reference circuit is described in which two transistors share a current with their bases coupled together and to an output terminal. A pair of resistors is coupled in series between the emitter of one of the transistors and ground, the emitter of the other transistor being coupled to a node between the resistors. A further transistor is coupled between the output terminal and the node with its base coupled to a second node between two further resistors connected in series between the output terminal and ground. The further transistor and resistors allow the circuit to be compensated for higher order temperature dependence.

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Chu et al, "A New Dimension to Monolithic Voltage Regulators", IEEE Trans. Broadcast. & Telev. Receivers (U.S.A.) vol. BTR-18, No 2, May 1972, pp. 73-76.

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