>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 09 August 2005 05:18
>To: PICLIST Post
>Subject: [EE] Floating Analog Signal in
>
>
>I am trying to take an analog signal (out of an MP3 player) and 
>determine its signal amplitude with the PIC's A2D input.  I would like 
>to keep the sampling frequency down (to reduce the clock speed 
>and save 
>power) so I thought of adding a large cap outside the PIC in parallel 
>with a resistor to ground to hold the level.


Google for "peak detector"

Regards

Mike

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