Current source circuit

Details Current source circuit Current source circuit

1991-08-09

1993-04-20

Stephan, Steven L.

Electricity: power supply or regulation systems

Self-regulating

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

323315, G05F 316

Patent

active

052046125

ABSTRACT:
A current having a high negative temperature coefficient can be tapped from a current source circuit connected as a loop out of two current mirror circuits and having a resistor. Furthermore, a current source circuit of this type made with CMOS technology has a high current requirement. The invention permits a reduction of these drawbacks by replacing the resistor with a connected capacitor.

REFERENCES:
patent: 4182962 (1980-01-01), Taguchi et al.
patent: 4706013 (1987-11-01), Kuo
patent: 4864217 (1989-09-01), Bird
patent: 5021692 (1991-06-01), Hughes
Patent Abstract of Japan, vol. 13, No. 239, Jun. 6th, 1989; JP 1-42717 A.
IEEE Journal of Solid State Circuits, vol. SC-12, No. 3, Jun. 17th, 1977; pp. 224-231; E. Vittoz et al., "CMOS Analog Integrated Circuits Based on Weak Inversion Operation".

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