Re: Raduino help?
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I found that C50, C51 in the AF preamp and C63 of the mic output were causing my issue with microphonics. I replaced those three with 1uf electrolytics.
Never use ceramic coupling in audio.
On Sat, Nov 24, 2018, 6:33 PM <jk.futter@... wrote:
There are quite a few microphonic components on the PCB