I wanna make a FM microphone for my guitar but the problem is that the electret mic itself output a lot of background noise even before amplifying its signal.
So obviously I need a preamp circuit but I don't need high gain or high volume. A low noise output with 1 volt peak to peak signal is ideal. But schematics I found online are relatively complicated and I don't know what they exactly do. So I would be grateful if anyone help with low noise preamp...
For the record this is FM transmitter circuit:
And microphone is just those ordinary mobile mics:
EDIT: At the moment I am just testing the microphone via PC sound card with TRS 3.5mm jack.