Linear integrated circuit voltage drop generator having a base-1

Details Linear integrated circuit voltage drop generator having a base-1 Linear integrated circuit voltage drop generator having a base-1

1989-02-15

1989-11-21

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

323315, 323907, 307310, 3072966, G05F 316

Patent

active

048825336

ABSTRACT:
A voltage drop generator having a current source having reduced sensitivity to transistor base-emitter voltage process and temperature induced variations, is used to generate a precise voltage drop across a resistor. Transistor emitter area ratios are selected and an additional resistance is used in conjunction with the selected ratios to reduce the sensitivity (of the output voltage drop) to base-emitter voltages, to provide substantial improvement in process and temperature dependent output variations.

REFERENCES:
patent: 4091321 (1978-05-01), Hanna
patent: 4590419 (1986-05-01), Moriarty, Jr.
patent: 4605892 (1986-08-01), Seevinck et al.
Gray, P. R.; Meyer, R. G., Analysis and Design of Analog Integrated Circuits, University of California, Berkely, John Wiley & Sons Publishers, pp. 207-208.

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