Current-source arrangement

Details Current-source arrangement Current-source arrangement

1989-07-14

1990-10-30

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323317, G05F 156

Patent

active

049671405

ABSTRACT:
A current source arrangement in which N configurations of N+1 transistor configurations (2.1 to 2.N+1) comprising control transistors (T1 to T N+1) and control inputs (3.1 to 3.N+1) are connected to N outputs (1, 2, . . . N) by means of a switching network (7) in accordance with a cyclic pattern N. The remaining configuration is connected to a correction circuit (5) which includes a reference-current-source (6) for adjusting the control voltage of the control transistor via the control input of the relevant transistor configuration, in such a way that the output current of the relevant configuration becomes equal to that of the reference-current-source.

REFERENCES:
patent: 4327320 (1982-04-01), Oguey et al.
patent: 4346344 (1982-08-01), Blauschild
patent: 4408190 (1983-10-01), Nagano
patent: 4542332 (1985-09-01), van de Plassche
patent: 4573005 (1986-02-01), van de Plassche
patent: 4587477 (1986-05-01), Hornak et al.
patent: 4864215 (1989-09-01), Schouwenaars et al.

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