Floating current source

Details Floating current source Floating current source

1989-12-18

1991-02-05

Stephan, Steven L.

Electricity: power supply or regulation systems

Self-regulating

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

323316, 3072961, G05F 308, G05F 316

Patent

active

049908456

ABSTRACT:
A floating current source comprising two identically sized field effect transistors, one defining a reference transistor and the other defining a floating output transistor. The reference transistor has its gate connected to a reference voltage and its source connected to receive an input current from an input current source and to generate a gate-to-source voltage which when applied as a gate-to-source voltage of the floating output transistor will generate an output current in the output transistor equal to the input current. Circuit means are included for applying between the gate and source of the output transistor a voltage equal to the gate-to-source drain voltage of the reference transistor.

REFERENCES:
patent: 3760199 (1973-09-01), Graeme
patent: 4546307 (1985-10-01), Llewellyn

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