Planet Analog

Using isolated ADCs and an XNOR logic gate as a multiplier to measure active power

Find out how a digital technique performs multiplication on two bitstreams and avoids the cost of the analog multiplier.
Ars Technica

Any difference between using SPDIF and analog output from an HTPC and receiver?

So I'm building a new HTPC. Currently mine doesn't have enough HP to do hi-def well enough for my tastes. Anyway, I find myself slot limited as in my mobo has SPDIF output but via a header which ...