Circuit arrangement for switching a current of and off...

Details Circuit arrangement for switching a current of and off... Circuit arrangement for switching a current of and off...

2006-11-21

2006-11-21

Tan, Vibol (Department: 2819)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S552000, C326S026000, C326S027000

Reexamination Certificate

active

07138855

ABSTRACT:
There is provided a circuit arrangement for switching a current on and off without overcurrent. The circuit arrangement includes a current source, a load associated with the current source, a switching transistor for switching the current source on and off, where the switching transistor has a parasitic capacitance between a control electrode and a first output electrode, and a shorting device between the control electrode and the first output electrode of the switching transistor for switching off the current source. The current can be used, for example, to drive a laser diode.

REFERENCES:
patent: 5539336 (1996-07-01), Nguyen et al.
patent: 5541532 (1996-07-01), McCall
patent: 5608339 (1997-03-01), Fujiwara
patent: 5986463 (1999-11-01), Takiguchi
patent: 0 703 664 (1996-03-01), None
patent: 0 810 732 (1997-12-01), None
patent: 59147476 (1984-08-01), None

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