Device for controlling temperature charactristics of integrated

Details Device for controlling temperature charactristics of integrated Device for controlling temperature charactristics of integrated

1989-12-20

1990-08-28

Stephan, Steven L.

Electricity: power supply or regulation systems

Self-regulating

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

307491, 323367, 323907, G05F 316

Patent

active

049528653

ABSTRACT:
A circuit dedicated to the stabilization of integrated circuit temperature charactristics is achieved by integrating on the same semiconductor material chip as the integrated circuit and a device comprised of a sensor having at least two resistors (R1, R2 and/or R3, R4) supplied between two voltages (DC1, DC2) used alone or in conjunction with differential circuit structure (T2, T3) supplied by a current source (T1), comprising a transistorized variable load impedance (T4, T5, T6, T7). The resistors have different temperature coefficients, and the output voltage (VA or VB) of the bridge is temperature dependent. The integrated must incorporate a voltage-controlled element (transistor or diode).

REFERENCES:
patent: Re30586 (1981-04-01), Brokaw
patent: 3887863 (1975-06-01), Brokaw
patent: 4020367 (1977-04-01), Yamashiro et al.
patent: 4087758 (1978-05-01), Hareyama
patent: 4263519 (1981-04-01), Schade
patent: 4622512 (1986-11-01), Brokaw
patent: 4723108 (1988-02-01), Murphy et al.
patent: 4882533 (1989-11-01), Kelley
patent: 4883992 (1989-11-01), Koglin et al.
Patent Abstracts of Japan, vol. 10, No. 298 (P-505), (2354), Oct. 9, 1986, & JP-A-61 115113 (NEC Corp.), Jun. 2, 1986.

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