Current generator for integrated circuits and method of construc

Details Current generator for integrated circuits and method of construc Current generator for integrated circuits and method of construc

1994-04-04

1996-08-13

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

327538, G05F 316

Patent

active

055459730

ABSTRACT:
A current generator (8) is provided. A voltage delta circuit (15) is operable to generate a voltage difference between a first circuit node (NODE 1) and a second circuit node (NODE 2) and is operable to generate a first current (I.sub.1) and a second current (I.sub.2). A junction field-effect-transistor (14) is coupled to the first circuit node (NODE 1) and the second circuit node (NODE 2). The junction field-effect-transistor (14) operates in a resistive region to stabilize a temperature characteristic of the first current (I.sub.1) and the second current (I.sub.2). A current mirror circuit (19) coupled to the voltage delta circuit (15), the current mirror circuit (19) operable to receive the first current (I.sub.1) and the second current (I.sub.2).

REFERENCES:
patent: 4563632 (1986-01-01), Palara et al.
patent: 4618816 (1986-10-01), Monticelli
patent: 4970452 (1990-11-01), Barbu et al.
patent: 4975632 (1990-12-01), James et al.

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