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Digital Pulse-Width-Modulation CircuitDigital pulse-width-modulation circuit provides programmable duration from 1 microsecond to full on, at repetition rate of 1 kHz. Designed for use in controlling CO2 laser, also used in applications in which precision and flexibility of digital control of pulse durations needed. Circuit incorporates low-power Schottky transistor/transistor-logic (TTL) devices in critical high-speed parts. Designed in TTL to make it compatible with Pro-Log 7914 (or equivalent) decoder input/output (I/O) utility printed-circuit card.
Document ID
19950065165
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Wenzler, Carl J. (NASA Lewis Research Center, Cleveland, OH.)
Eichenberg, Dennis J. (NASA Lewis Research Center, Cleveland, OH.)
Date Acquired
August 17, 2013
Publication Date
January 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 1
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
LEW-16046
Accession Number
95B10006
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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