Slew rate limited inductive load driver

Details Slew rate limited inductive load driver Slew rate limited inductive load driver

1991-12-23

1993-03-16

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307228, 328128, H03K 408, H03K 604

Patent

active

051947609

ABSTRACT:
A slew rate limited load driver is disclosed with a transistor switch (123) driving a load (125). The transistor switch (123) is controlled by a current from a current amplifier (107) and a current sink (111). The current amplifier (107) is driven from the combination of a source of compensating current (120) and a turn on current source (115). As a command signal (103) transitions, the source of compensating current (120) adds a transitional compensating current to the current derived from the turn on current source (115) and is amplified by the current amplifier (107). The output of the current amplifier (107) is combined with the output of the turn off current sink (111), to control the voltage slew rate to the load (101).

REFERENCES:
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patent: 4877978 (1989-10-01), Platt
patent: 4906867 (1990-03-01), Petty
patent: 5006734 (1991-04-01), Engelbrecht
patent: 5013940 (1991-05-01), Ansel

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