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SPDIF to AES/EBU

  • Thread starter Dirk Bruere at NeoPax
  • Start date
J

JosephKK

Jan 1, 1970
0
Looking for a reliable circuit for the level conversion from SPDIF to
TTL. I then intend to feed it to an RS485 driver and into a transformer
for transmission via CAT5e

I figure all that needs done is to put it through a transformer to adjust
for native impedance and use Cat5e.
 
D

Dirk Bruere at NeoPax

Jan 1, 1970
0

Thanks - a slightly different approach to the one I was thinking about.
The SPDIF input goes into a 485 differential receiver.
You think that would work reliably given the low SPDIF voltage?

If so, I could just do a 485 diff i/p straight through to a 485 diff o/p
feeding 3 xformers (I need a 1 to 3 fanout, isolated)

--
Dirk

http://www.transcendence.me.uk/ - Transcendence UK
http://www.theconsensus.org/ - A UK political party
http://www.blogtalkradio.com/onetribe - Occult Talk Show
 
J

JosephKK

Jan 1, 1970
0
True, but I need to fan out.
Getting TTL (ish) enough to drive a 485 chip from a 0.6V SPDIF signal?
Analog comparator?

Run the signal through an old uA703 diff amp to three transformers.
Better, use a modern diff amp. 0.6 V and less than 5 Mpbs is easy
these days.
 

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