Control circuit for regulating a current flow through a load and

Details Control circuit for regulating a current flow through a load and Control circuit for regulating a current flow through a load and

1989-12-20

1991-02-19

Stephan, Steven L.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323271, 323282, 323351, 363125, 363127, H02M 7155

Patent

active

049949543

ABSTRACT:
A regulator controls the DC current flowing through a load, where the current is initially supplied by an AC voltage source and thereafter rectified, the control being proportional to the load current. In one embodiment, the source or emitter potential of a transistor which functions as a control element is changed by a current source such that a current of predetermined strength flows through the control element transistor. The control current for the current source is derived from a current sensor in the load circuit. Additionally, a constant gate potential for the transistor control element is obtained through the current sensor. This circuit is preferably suitable for the regulation of the cathode current of travelling-wave tubes.

REFERENCES:
patent: 4302717 (1981-11-01), Olla
patent: 4488162 (1987-08-01), Mutch et al.
U. Tietze & Ch. Schenk; "Halbleiter-Schaltungstechnik" (Semi Conductor Switching Technology); 2nd Edition; Springer-Verlag Berlin; (pp. 338-340), Heidelberg, N.Y., 1971.

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