Kelvin-connected buried zener voltage reference circuit

Details Kelvin-connected buried zener voltage reference circuit Kelvin-connected buried zener voltage reference circuit

1981-10-09

1983-08-09

Pellinen, A. D

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

307318, 323231, 323313, 323907, G05F 318

Patent

active

043981429

ABSTRACT:
An improved voltage reference circuit is provided comprising a series combination of a Kelvin-connected buried zener diode and a transistor. The collector of the transistor is connected to the first anode of the diode while the base of the transistor is connected to the second anode of the diode. This connection provides compensation for temperature and voltage variations in the zener diode caused by anode parasitic resistances and external temperature changes.

REFERENCES:
patent: 3881179 (1975-04-01), Howard, Jr.
patent: 4136349 (1979-01-01), Tsang
patent: 4258311 (1981-03-01), Tokuda et al.
patent: 4313083 (1982-01-01), Gilbert et al.
patent: 4315209 (1982-02-01), Schmoock
"Circuit Techniques for Achieving High Speed-High Resolution A/D Conversion", IEEE Journal of Solid-State Circuits, vol. SC-15, No. 6, pp. 1046, 1047, (1980).

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