Hello,
I 've tried to connect an electret microphone to an AD620 In-Amp. I have made a circuit that works with a single 5V supply but its sound quality is quite bad:
Basically most frequences seem not to work at all, even tapping directly on the mic doesn't show any output, only if I blow air into the mic, I will get some very distorted sound.
I have tried this circuit on a breadboard first and thought the issues would come from that. I have soldered them on a PCB with components very close to each other for minimal interference but that still doesn't remove those issues.
Does anybody know how I could improve this circuit please ?
I 've tried to connect an electret microphone to an AD620 In-Amp. I have made a circuit that works with a single 5V supply but its sound quality is quite bad:
Basically most frequences seem not to work at all, even tapping directly on the mic doesn't show any output, only if I blow air into the mic, I will get some very distorted sound.
I have tried this circuit on a breadboard first and thought the issues would come from that. I have soldered them on a PCB with components very close to each other for minimal interference but that still doesn't remove those issues.
Does anybody know how I could improve this circuit please ?