Voltage reference circuit with linearized temperature behavior

Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...

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323907, G05F 330

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active

050014145

ABSTRACT:
This voltage reference circuit has high thermal stability and minimal bulk and comprises a transistor defining a base-emitter junction having a voltage drop which varies in a non-linear manner as a function of temperature and resistors connected in series to the junction, the junction and the resistors being interposed between a ground line and the output terminal. A compensation transistor generates a compensation current which varies as a function of temperature so as to produce a voltage drop with a behavior substantially opposite to the previous voltage drop upon reaching the switching on temperature of the transistor.

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patent: 4808908 (1989-02-01), Lewis et al.
patent: 4843302 (1989-06-01), Dobkin et al.
patent: 4939442 (1990-07-01), Carvajal et al.

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