>1) Can I replace the 3V9 ZD with 5V1?Possibly, but if you overdrive it, I am not sure what will happen.
>2) Can I use 22R resistors in place of the beads?Yes.
>bonus questionsYes.
>3) What about 4K 1% instead on 3.9K resistors
>4) What about 100K 5% instead of 1%No.
Ken
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