[sdiy] strange PCB faults, was:OTA question

Oscar Salas osaiber at yahoo.es
Fri Sep 17 18:54:15 CEST 2010


Little off-topic but one day I was making modifications and studying a CVADSR in its PCB. I noticed a lot of offset in one output. Uau was a lot of time wondering why since all was theoretically OK, until I noticed that was a mark that I did with pencil that was acting as a resistor.

O




      




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