Inventing something no one needs – the PWM detector (en-route to the mark-space ratio locked-loop)

Last Friday I started to ponder something: could I design a mark/space-ratio-locked loop. This is a thing, I propose, which would take a pulse-width-modulated waveform at any frequency, and produce a signal with exactly the same mark/space ratio, but at a nominated frequency (see ‘Why might this be useful?’ below). It would be a bit ...

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from Electronics Weekly https://www.electronicsweekly.com/blogs/engineer-in-wonderland/inventing-something-no-one-needs-pwm-detector-en-route-mark-space-ratio-locked-loop-2018-06/