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-   -   Why AC coupled XO? (http://www.diyaudio.com/forums/digital-source/12908-why-ac-coupled-xo.html)

A 8 25th March 2003 06:39 PM

Why AC coupled XO?
 
I see most of you guys use ac coupled output on your XO, is this only to remove dc offsets between XO and receiver or are there other reasons?

I assume it would be difficult getting a nice square wave through a cap!

jean-paul 25th March 2003 07:59 PM

Good question, I don't use a cap for the reason you gave and wonder too why some use it :confused:

tiroth 25th March 2003 08:17 PM

Some people may use the coupling cap as a free pole.

Tube_Dude 25th March 2003 08:24 PM

The square wave!!!
 
Quote:

I assume it would be difficult getting a nice square wave through a cap!
Yes it is!!..But much more difficult is getting a nice square wave reproduced by a loudspeaker;)

jean-paul 25th March 2003 08:27 PM

A digital loudspeaker coupled via a cap to a XO ? :clown:

A 8 25th March 2003 08:46 PM

Tube_Dude...who wants to feed the speakers a XO?

Tube_Dude 25th March 2003 08:54 PM

The square XO....
 
Quote:

Tube_Dude...who wants to feed the speakers a XO?
My coments are about the realy need of a absolut square wave reproduction....as any loudspeker can't reproduce them acurately!!

Or the XO is not for music reproduction???

jean-paul 25th March 2003 08:57 PM

We are talking digital electronics here and in digital electronics a square wave is important. The question is if a XO ( digital clock module ) should be coupled capacitively or not.

XO's are precision low jitter clock modules for use in cd-players etc.

Tube_Dude 25th March 2003 09:01 PM

My mistake!!!
 
Sorry!!!

I was talking about a active crossover.(XO)


:bawling:

jean-paul 25th March 2003 09:03 PM

Sometimes mistakes can be funny :D


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