Hi everyone,
In the sound detector circuit we use Microphone to convert the audio signal to electrical signal and then pass it through a high pass filter to remove dc offset
but i can use only capacitor to do this job ! why we need a resistor in parallel with it ?
thanks
In the sound detector circuit we use Microphone to convert the audio signal to electrical signal and then pass it through a high pass filter to remove dc offset
but i can use only capacitor to do this job ! why we need a resistor in parallel with it ?
thanks