/diy/ - Do It Yourself

>>1850430
I don't think any of the projects will generate much noise. I'm just thinking in a general sense, a DC line running around the workbench could pick up noise. Right now the plans are to build a Wien bridge audio frequency oscillator and a total harmonic distortion meter. I was reading the manual for the "Sinadder 3" the other day and I figured the circuit could be readily adapted for this purpose. The Sinadder is a device used to measure signal-to-noise and distortion (SINAD) in FM radio receivers but the circuitry could also be used to measure THD for general audio equipment, which is my aim. So nothing that will really be generating a lot of noise.