piclist 2005\08\11\065835a >
Thread: Floating Analog Signal in
picon face BY : 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

<3tzqrr6m1zbu.6w1hrt9fy6u4$.dlg@40tude.net> 7bit

In reply to: <2c0k751855o2$.pyfc3nmih4ho.dlg@40tude.net>
See also: www.piclist.com/techref/io/atod.htm?key=analog
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