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BiPolar HFE Tester

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Nigel Goodwin said:
crowinu said:
i am already using the pmw to generate a variable power supply, so i guess i have to use the r2r ladder. i will search some info about r2r ladders.
Click to expand...

MicroChip have an application note!.
Click to expand...

i'll search for it, thanks nigel, found something similar from maxim and from analog devices about current sources.
 
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