Temperature constant current reference

Details Temperature constant current reference Temperature constant current reference

1988-08-04

1989-12-26

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

323312, 323907, G05F 320

Patent

active

048900524

ABSTRACT:
A temperature constant Gm current reference circuit which is also independent of voltage across the circuit which includes a circuit for applying a substantially identical voltage to a semiconductor diode as well as to a branch circuit comprising a polysilicon resistor of predetermined doping level in series with plural unidirectional current carrying devices connected in parallel, preferably in the form of a multi-electrode transistor. From eight to twelve such unidirectional current carrying devices are required in the preferred embodiment.

REFERENCES:
patent: 4029974 (1977-06-01), Brokaw
patent: 4350904 (1982-09-01), Cordell
patent: 4677368 (1987-06-01), Bynum
patent: 4733162 (1988-03-01), Haga et al.
patent: 4769589 (1988-09-01), Rosenthal
patent: 4792750 (1988-12-01), Yan

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