Current source with adjustable temperature coefficient

Details Current source with adjustable temperature coefficient Current source with adjustable temperature coefficient

2008-01-29

2008-01-29

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

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

Reexamination Certificate

active

07323857

ABSTRACT:
A current source with adjustable temperature coefficient is provided. The current source uses a first current generation unit and a second current generation unit to respectively produce a positive temperature coefficient current and a negative temperature coefficient current. A current addition unit is used to add the positive and negative temperature coefficient currents, and compose the positive and negative temperature coefficient currents according to a predetermined proportion. Finally, a reference current of adjustable temperature coefficient and value is output.

REFERENCES:
patent: 5774013 (1998-06-01), Groe
patent: 6124754 (2000-09-01), Afghahi

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