Variable current source

Details Variable current source Variable current source

1980-11-07

1982-09-14

Pellinen, A. D.

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

307358, 323280, 323281, 323297, 324 62, G01R 2714, G05F 158, G05F 1613

Patent

active

043497772

ABSTRACT:
A plurality of metal resistance elements and a metal resistance element for compensation use are formed on a common substrate and placed under the same temperature condition. A reference current is applied to the metal resistance element for compensation use to yield an auxiliary reference voltage. A plurality of switches are individually connected in series to the reference metal resistance elements and the auxiliary reference voltage is provided to the series circuits to selectively control the switches, thereby obtaining various currents.

REFERENCES:
Sahasrbudhe, "Building a Very High Stability Reference", Electronic Engineering, vol. 49, No. 593, Jun. 1977, p. 31.
Stewart, "Self Stabilizing Voltage Reference", RCA Technical Note No. 1220, Dec. 1978, pp. 1-4.
Mumaw, "Programmable Regulator Card", IBM TDB, vol. 20, No. 6, Nov. 1977, p. 2180.

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