HP97 The journey begins
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04-29-2019, 11:56 AM
Post: #64
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RE: HP97 The journey begins
(04-29-2019 01:00 AM)teenix Wrote: Hi all, I can see an inductor on your PCB. Presumably you are generating a voltage you need by means of a switched mode power supply. It might be a long shot, but is it possible noise from your power supply is causing the trouble? Have you tried shutting it down and supplying the circuit from a bench power supply? Other than that, I can only think of comparing the waveforms with the ones on an original 67. Maybe you can spot a difference somewhere... Good luck, and let me know if I can be of any assistance. I would love to see this project finished! Cheers, Harald |
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