Next
.:madworm:.

.:madworm:. club

Posted: 19 Jun 2011

Taken: 19 Jun 2011

0 favorites     0 comments    172 visits

1/60 • f/5.6 • 10.2 mm • ISO 80 •

PENTAX Corporation PENTAX Optio S5z

EXIF - See more details

See also...

Keywords

header •
electronics •
resistor •
LED •
potentiometer •
transistor •
perfboard •
2N2222A •

Authorizations, license

Visible by: Everyone
All rights reserved
172 visits

Lousy 'constant' current source

Lousy 'constant' current source
Not really a constant current source. At least not really independent of supply voltage. With the addition of a Zener diode it could be improved a bit. A 2 transistor variant would be better. Or just buy an LM317 straight away.

en.wikipedia.org/wiki/Current_source
Comments

Sign-in to write a comment.