Envelope detector

What will happen if sampled signal is given as input to envelope detector?Will that be able to reconstruct the signal?

by Arfeen
December 19, 2017
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1 Answer

Answer by mikerogerswsm

Yes, that is a very good way to do it because the response is equally fast up and down. It is used here for quick amplitude control: http://mike-wsm.org.uk/ldo.html Alas this version exists only on paper, but the original sold successfully during the 1970s as the Radford LDO3 et seq.

+1 vote
by mikerogerswsm
December 19, 2017

So, to reconstruct the sampled signal which is more preferable and why? 1)Envelope detector or 2)Low pass filter. I am not able to differentiate this.

by Arfeen
December 19, 2017

Sample-and-hold. As in my circuit.

by mikerogerswsm
December 20, 2017
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