NASA NTRS · 19770000251
Simple constant-current-regulated power supply
Abstract
Supply incorporates soft-start circuit that slowly ramps current up to set point at turn-on. Supply consists of full-wave rectifier, regulating pass transistor, current feedback circuit, and quad single-supply operational-amplifier circuit providing control. Technique is applicable to any system requiring constant dc current, such as vacuum tube equipment, heaters, or battery charges; it has been used to supply constant current for instrument calibration.
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Priebe, D. H. E., Sturman, J. C.. 1977-11-01. Simple constant-current-regulated power supply. https://ntrs.nasa.gov/citations/19770000251
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