Original build of a sub-audio oscillator with a tant bead timing cap - frequency set up OK at first, then started tottering about all over the place.
It was a new unused part, but it had been in the parts drawer for a LONG time - I'd like to understand whether it was an age deteriorated component, or not suitable for the application.
Ended up with an MLCC capacitor - initial warm up drift, but doesn't wander far once its settled.
Thanks.
It was a new unused part, but it had been in the parts drawer for a LONG time - I'd like to understand whether it was an age deteriorated component, or not suitable for the application.
Ended up with an MLCC capacitor - initial warm up drift, but doesn't wander far once its settled.
Thanks.