[sdiy] 5mV of noise ...

[Bert Schiettecatte]

Hi Paul,

> Also, the 'type' of noise is an issue.
> Random white noise is far less noticeable or disturbing than 
> a fixed frequency whine from a power supply, or aliasing artifacts 
> from a/d conversion, or ring modulator carrier bleed through.
> 
> Looking at 'grass' on a scope gives an indication of the 
> noise level, but what is 'acceptable' comes  from one's ears, 
> as always.
> 
> paul perry Melbourne Australia

I think it's a 5mV PWM signal coming from somewhere.. 

bert