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johntron
modified 10 years ago

NPN BJT constant current sink

1
3
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01:09:40
BJT-based constant current sink. Toggle switch and notice LED brightness is always the same.
published 10 years ago
WTFCircuit
10 years ago
I made the same circuit two months ago
sbdada09
10 years ago
why you used that function generator?
johntron
10 years ago
sbdada09 to show that the current stays constant when voltage varies.

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