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Old 19th May 2002, 04:16 PM   #1
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Default Pot-Trans in a DAC

I'd like to know if it is possible to utilize the Sowter 9335 pot-trans in a DAC (PCM-63) having as I/V converter a R of 10 ohm.

The 9335 should have its primary connected in parallel with the R and its secondary connected to the outputs.
The cables between DAC and preamplifier should be no longer than 30 cm.
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Old 27th May 2002, 08:30 AM   #2
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Have a look at this link...:

http://digilander.iol.it/paeng/magnetics_frame.htm
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Old 27th May 2002, 09:12 AM   #3
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I wouldn't recommend it. Seems suited for voltage-out DACs, not current-out. How are you going to get the signal up to a usable level?

Jocko
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Old 27th May 2002, 01:43 PM   #4
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Why not, Jocko ?
9335 should work well fed from a 10 ohm source and should be no problem with the lead length.
The only probelm could be represented by dc offset from the DAC (but I believe that this is not the case) that would magnetise the
transformer.

Antonio
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Old 27th May 2002, 11:59 PM   #5
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Because you are talking about a signal that might reach 10 mV. Yes, moving coils work that way, but why make things hard for yourself.

Jocko
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