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Digital control constant current source

Status: Voorstel
12874
26
stemmen
5 maart 2017, Laatste update: 13 augustus 2017
20170525-161637b.jpg
This project object is an digital controlled current source with standard parts, low cost and high stability. The analog circuit is inspired by Elektor 11/77, first test on breadboard looks very good. As load three LEDs in this example. The schematic and simulation is attached.
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Attachments


Afbeeldingen
test on breadboard
Bottom view, soldered PCB
Schema’s
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