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Old 26th January 2005, 08:42 PM   #1
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Join Date: Jan 2005
Default Transformer for S/PDIF Output

I'm interested in adding a digital S/PDIF audio output to the Sony CDP-491, which in stock form contains only analog outputs. I think I can do so with a modified version of the circuit on the following website:

http://www.hut.fi/~jwagner/electr/minidisc-spdif/

I am unsure where to obtain the 2:1 transformer that is shown on the TI RCA/BNC stage schematic. It is listed as a 'Scientific Conversion SC982-04 or equivalent'. I was unable to locate this part at DigiKey, and a Google search did not locate other online sources. Does DigiKey carry another part that can be substituted in this circuit? If not, where can I obtain a suitable transformer?
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Old 27th January 2005, 07:55 AM   #2
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Join Date: Dec 2001
Location: Eindhoven
Default Re: Transformer for S/PDIF Output

Quote:
Originally posted by mapperlord
I'm interested in adding a digital S/PDIF audio output to the Sony CDP-491, which in stock form contains only analog outputs. I think I can do so with a modified version of the circuit on the following website:

http://www.hut.fi/~jwagner/electr/minidisc-spdif/

I am unsure where to obtain the 2:1 transformer that is shown on the TI RCA/BNC stage schematic. It is listed as a 'Scientific Conversion SC982-04 or equivalent'. I was unable to locate this part at DigiKey, and a Google search did not locate other online sources. Does DigiKey carry another part that can be substituted in this circuit? If not, where can I obtain a suitable transformer?

Hi

Contact Jon from SC at

jonpaul@scientificonversion.com

the URL is

http://www.scientificonversion.com/

cheers
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