Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Rectangular or pulse waveform width control
Patent
1998-12-21
2000-07-25
Nuton, My-Trang
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Rectangular or pulse waveform width control
327110, H03K 3017
Patent
active
060940794
ABSTRACT:
A driver for producing a desired pulse width modulated current through a load is provided with a sequencer for generating a plurality of wave forms phase-shifted so as to have non-overlapping duty cycles. A target generator supplies a target current value to a comparator, which compares the target current value to a signal representative of a sensed current flowing through the load. A driver control is responsive to a duty-cycle of only one of the plurality of wave forms to selectively generate trigger signals for switching current through the load in response to the result of the comparison.
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Boggs Brian L.
Gottshall Paul C.
Hart Steven O.
McGee Brian G.
Caterpillar Inc.
Kibby Steven G.
Nuton My-Trang
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