3 ms·
> It's not necessary to measure capacitance directly. Just phase angle. Can that be done with analog circuitry or does the signal need to be digitised?
by krisoft 4y ago
> It's not necessary to measure capacitance directly. Just phase angle.
Can that be done with analog circuitry or does the signal need to be digitised?
- KaiserPro 4y agoyou can turn capacitance into a waveform pretty easily, thats what the 555 timer does effectively, measure the time it takes to fill a capacitor. (https://en.wikipedia.org/wiki/555_timer_IC https://en.wikipedia.org/wiki/555_timer_IC its analogue.)