Floating Analog Signal in
Gerhard Fiedler email (remove spam text)
Gerhard Fiedler wrote:
>> My original design had the PIC ground and the analog ground connected
>> together. THEN I read the specification for the player and it says
>> "Analog return - Signal, never to be grounded inside attached device."
>> I do not have access to the internals of the device
> Can you at least look at the output with a scope -- referenced to the MP3
> output ground?
That should have been "referenced to the ground you want to hook your PIC
to". Or better both. And look at the analog ground, referenced to the PIC
In reply to: <firstname.lastname@example.org>
See also: www.piclist.com/techref/io/atod.htm?key=analog
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