Temperature stabilized reference voltage circuit that can change

Details Temperature stabilized reference voltage circuit that can change Temperature stabilized reference voltage circuit that can change

1999-04-21

2000-07-25

Riley, Shawn

Electricity: power supply or regulation systems

Self-regulating

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

323314, G05F 316

Patent

active

060940417

ABSTRACT:
A reference voltage circuit has a bipolar transistor circuit supplying a reference voltage corresponding to a summation voltage formed from a forward voltage of a pn junction through which current flows, and a difference voltage between two forward voltages of pn junctions which are operated with different current densities. The reference voltage circuit includes a calibration device that can be used to change collector currents of the bipolar transistor circuit. This is achieved, in particular, by corrupting the mirroring ratio of a current mirror circuit provided for the bipolar transistor circuit.

REFERENCES:
patent: 5247241 (1993-09-01), Ueda

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