Monolithically integratable constant-current generating circuit

Details Monolithically integratable constant-current generating circuit Monolithically integratable constant-current generating circuit

1983-09-21

1986-01-07

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323312, G05F 320

Patent

active

045636320

ABSTRACT:
A monolithically integratable constant-current generating circuit includes a current-generating circuit having a control terminal and two output terminals, from which currents flow that are bound by a constant proportionality ratio.
There is connected to one output terminal the input branch of a circuit having a current mirror and having a current gain which varies with the level of the current itself. A first input terminal of a current-comparator and amplifier circuit is connected to the output branch of the current mirror; a second input terminal is connected to the second output terminal of the current-generating circuit and the control terminal is connected to the output terminal of the current-comparator and amplifier circuit.

REFERENCES:
patent: 3536986 (1970-10-01), Perlman
patent: 4260945 (1981-04-01), Ahmad
Th. J. van Kessel et al., Philips Technical Review, vol. 32, 1971, No. 1, "Integrated Linear Basic Circuits", pp. 1-12.

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