Differental voltage controlled exponential current source

Details Differental voltage controlled exponential current source Differental voltage controlled exponential current source

1988-11-10

1989-10-24

Beha, Jr., William H.

Electricity: power supply or regulation systems

Self-regulating

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

307492, 328145, 330260, G05F 322

Patent

active

048764990

ABSTRACT:
A current source provides an output current that is substantially exponentially related to a difference between input voltages. The output current is also substantially linearly related to an input current. The current source includes first, second and third transistors interconnected to one another. The basic current source may be used as a "building block" to produce more complex control functions.

REFERENCES:
patent: 3678294 (1972-07-01), Glathe
patent: 3914624 (1975-10-01), Jackson

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