Controlled current sink

Details Controlled current sink Controlled current sink

1976-12-23

1978-09-26

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307304, 323 4, H02J 104, H03K 112, G05F 156

Patent

active

041173538

ABSTRACT:
A solid state cathode driver circuit for controllably sinking a current substantially independent of applied voltage includes a main current carrying transistor and first and second field effect transistors connected to a controlled electrode of the current carrying transistor for setting the potential on the control electrode substantially independent of the applied voltages to the controlled terminals. The magnitude of the sunk current is essentially determined by the geometry of the device utilized and is, therefore, essentially constant. Selective activation of the current sink is provided by grounding the control electrode to turn off the device.

REFERENCES:
patent: 3875430 (1975-04-01), Prak
patent: 3903454 (1975-09-01), Matsui et al.
patent: 3943380 (1976-03-01), Morgan et al.
patent: 3947778 (1976-03-01), Hsiao et al.
patent: 3995177 (1976-11-01), Sirocka et al.
patent: 4004164 (1977-01-01), Cranford, Jr. et al.
patent: 4009432 (1977-02-01), Dingwall et al.
patent: 4010425 (1977-03-01), Dingwall et al.
patent: 4020367 (1977-04-01), Yamashiro et al.
patent: 4031456 (1977-06-01), Shimada et al.
Hoffman, "Constant-Current Source for MOSFET Circuits", IBM Tech. Discl. Bull., vol. 17, No. 8, pp. 2391; Jan. 1975.

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