Square pulse optical transmission circuit
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United States of America Patent
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Dec 15, 2020
Grant Date -
Nov 2, 2017
app pub date -
Nov 29, 2016
filing date -
Apr 27, 2016
priority date (Note) -
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Abstract
An optical emission circuit includes a power supply source and a regulation circuit coupled to control the power supply source. An optical source and a first switch are coupled in series to the power supply source. A square pulse signal source has an output coupled to a control input of the first switch. The square pulse signal source is configured to provide a square pulse signal. The regulation circuit regulates the current supplied by the power supply source according to a product of a peak current set point by a duty cycle of the square pulse signal.
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