Monolithic current splitter for providing temperature independen

Details Monolithic current splitter for providing temperature independen Monolithic current splitter for providing temperature independen

1986-06-30

1987-08-25

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

323354, 323907, G05F 316

Patent

active

046895493

ABSTRACT:
A circuit for providing multiple currents the ratios of which are constant and temperature independent. The circuit includes at least first and second transistors the bases of which are shorted together and whose emitters are interconnected via respective trimmable resistors to a thermal current supply. By driving the transistors with a thermal current and trimming one or the other or both resistors the current ratios can be adjusted and will remain constant as temperature is varied.

REFERENCES:
patent: 4147971 (1979-04-01), Price
patent: 4435678 (1984-03-01), Joseph et al.

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