(I took the liberty of correcting the topic)

You need something in front of your A/D.
Search for "peak detector".





> -----Original Message-----
> From: Linux HA [mailto:linuxha@HOME.COM]
> Sent: Friday, July 06, 2001 3:47 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [PIC]: Measuring amplitude?
>
>
> I would like to measure the amplitude of a signal (actually
> only the top
> half :-). Does anyone have any suggestions or pointers, I'll be using
> the 16F877 ICD as the proto and hope to move over to the 12C67x later.
> The frequency is only 120KHz.
>
> --
> Linux Home Automation           Neil Cherry
> linuxha@home.com
> http://members.home.net/ncherry                         (Text only)
> http://meltingpot.fortunecity.com/lightsey/52           (Graphics)
> http://linuxha.sourceforge.net/
>                         (SourceForge)
>
> --
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> [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads
>
>

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