Re: QLC? It's not the one for me
"This works by using analog levels to cram more bits into the signal, which itself is carried on a carrier wave."
Everything is analogue if you go down far enough - the point is where the analogue values come from. The relative levels of amplitude, phasing or frequency compared to the carrier signal strength of a radio signal will always be the same as its actively generated. The hardware in an SSD however is fixed and so maximum voltage levels in the cells will decline as they age, but more to the point - not uniformly between them. So the firmware can't simply adjust its voltage level parameters to account for it.