What happens to a DSB signal Modulated signal  if I use an envelope detector instead of Low Pass Filter ? I am interested in knowing how the output signals vary in case of a 
envelope detector. I know that I get the signal back in case of a low pass filter.
Thanks for your time. 

![enter image description here][1] 


Envelope Detector
![enter image description here][2]


Low Pass Filter I used instead of the above envelope detector to retrieve the signal
![enter image description here][3]


  [1]: https://i.sstatic.net/hRKKk.jpg
  [2]: https://i.sstatic.net/aJJws.jpg
  [3]: https://i.sstatic.net/EuTbz.jpg