Current stabilizer

Details Current stabilizer Current stabilizer

1980-09-19

1982-04-13

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

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

307296R, G05F 320

Patent

active

043250190

ABSTRACT:
A current stabilizer has a current mirror including first and second terminals through which first and second currents flow. A transistor circuit including a transistor and a resistor is connected to the first terminal so as to cause the first current to flow therein, which first current defines the current which may flow through the second terminal. The biasing of the transistor is selected with respect to the temperature coefficients of the transistor and resistor so that the first current remains constant and temperature independent.

REFERENCES:
patent: 3721893 (1973-03-01), Davis
patent: 3911353 (1975-10-01), van de Plassche
patent: 4172992 (1979-10-01), Culmer et al.
Wurzburg, Henry, "Floating Regulator Gives 0.1% Regulation Over 0-to-100-V-DC, 200 MA Range", Electronic Design 19, Sep. 13, 1975.
Hart, B. L., Barker, R. W. J., "The Design of Constant Current Sources", Electronic Engineering, Jun. 1977, pp. 85-87.

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