Temperature-compensated current source circuit and a reference v

Details Temperature-compensated current source circuit and a reference v Temperature-compensated current source circuit and a reference v

1982-04-12

1984-07-24

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323907, 307297, G05F 320

Patent

active

044619928

ABSTRACT:
A current source circuit includes a first and a second transistor connected at the collector to a common load resistor. In the current source circuit, the emiiters of the first and second transistors are connected to a negative power source through different current restricting resistors. The base of the first transistor is biased by a series circuit including two diodes. The temperature coefficients of the collector currents of the first and second transistors are offset, so that the temperature-compensated current flows into the load resistor.

REFERENCES:
patent: 4319180 (1982-03-01), Nagano
patent: 4335346 (1982-06-01), Streit

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