engineer1000
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I have designed a generator that runs between 116khz to 140khz. The frequency is adjustable using a 5k panel mount pot.
When ever I touch the pot spindle or any of the outside metal work the output of the gen is affected. I have checked the continuity between the metal spindle and the 3 solder tags all hi impedance.
Anyone got any ideas? The gen only seems to work correctly when I'm holding the metal spindle. I have tried earthing the body of the pot but this doesn't seem to do much.
When ever I touch the pot spindle or any of the outside metal work the output of the gen is affected. I have checked the continuity between the metal spindle and the 3 solder tags all hi impedance.
Anyone got any ideas? The gen only seems to work correctly when I'm holding the metal spindle. I have tried earthing the body of the pot but this doesn't seem to do much.