Reference voltage source

Details Reference voltage source Reference voltage source

1986-01-14

1987-06-09

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

323316, G05F 316

Patent

active

046723048

ABSTRACT:
The present invention relates to a reference voltage source in CMOS technology. The reference voltage source is based on the use of two compatible bipolar transistors (T1) and (T2) working at different current densities. A transresistance amplifier (1) connected as a negative feedback between the collectors and bases of (T1) and (T2) delivers the reference voltage (V.sub.ref). A conductor block (4) allows sufficient current to be drawn through the resistors (2) and (3) to render neglible the base current of (T1).

REFERENCES:
R. Ye et al., Bandgap Voltage Reference Sources in CMOS Technology, Electronics Letters, Jan. 7, 1982, vol. 18, No. 1.
Bang-Sup Song, et al., A Precision Curvature-Compensated CMOS Bandgap Reference, IEEE Journal of Solid-State Circuits, vol. SC-18, No. 6, Dec. 1983.
Carl R. Palmer et al., A Curvature Corrected Micropower Volteage Reference, ISSCC 81/Wednesday, Feb. 18, 1981/Ballrooms C-D/4:15 P.M.
Eric A. Vittoz, MOS Transistors Operated in the Lateral Bipolar Mode and Their Aplication in CMOS Technology, IEEE Journal of Solid-State Circuits, vol. SC-18, No. 3, Jun. 1983.

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