Build Thread for TPA BIII + Ian Async I2S FIFO + OPC NTD1 + Salas SSLV - Page 44 - diyAudio
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Old 22nd January 2013, 03:06 AM   #431
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Quote:
Originally Posted by iancanada View Post
Did you fix you s/pdif problem?
Thanks Ian

Still have no time to check the signals, will try tonight and inform you the result.
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Old 22nd January 2013, 12:19 PM   #432
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Checked the SPDIF with scope and all I2S outputs have signal with either USB through backdoor or optical. The frequency is much higher when input from backdoor. No data output from FIFO when switched to optical.

Attached are the SCLK signals at SPDIF output.
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Old 22nd January 2013, 03:28 PM   #433
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Quote:
Originally Posted by bigpandahk View Post
Checked the SPDIF with scope and all I2S outputs have signal with either USB through backdoor or optical. The frequency is much higher when input from backdoor. No data output from FIFO when switched to optical.

Attached are the SCLK signals at SPDIF output.
Please show me waveform of all three SCK and WS and SD signals form S/PDIF board I2S output port when you switch to optical input.

Ian
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Old 23rd January 2013, 12:24 AM   #434
DQ828 is offline DQ828  Australia
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Does anyone know if the pre made 50ohm coaxial cables like the ones Ian supplies can be purchased from anywhere else?

As I am not in your GB Ian I have assumed they are not available from you.
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Old 23rd January 2013, 01:02 AM   #435
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have you tried searching u.fl ? they are everywhere
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Old 23rd January 2013, 01:27 AM   #436
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Quote:
Originally Posted by DQ828 View Post
Does anyone know if the pre made 50ohm coaxial cables like the ones Ian supplies can be purchased from anywhere else?

As I am not in your GB Ian I have assumed they are not available from you.
Try digikey, mouser, newark, avnet..... u.fl or ipx or ipex

Ian
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Old 23rd January 2013, 01:39 AM   #437
DQ828 is offline DQ828  Australia
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Quote:
Originally Posted by qusp View Post
have you tried searching u.fl ? they are everywhere
Yes

I obviously searched the wrong thing previously, I assume this is what I need http://au.mouser.com/ProductDetail/H...DnsPvB9A7iY%3d

My original search came up with nothing that was in stock

Last edited by DQ828; 23rd January 2013 at 01:49 AM.
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Old 23rd January 2013, 01:52 AM   #438
qusp is offline qusp  Australia
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you couldnt have

at digikey a search for u.fl returns 229 results for cable assemblies, which I narrowed down to 24 results for suitable cables from 25-100mm long. I like the 0.81mm black cable, because it looks nicer hehe

at mouser there is a similar number, but they are more expensive. then of course there are the other compatible trade names that Ian has mentioned above.

did you perhaps not include the full stop? did you search for ufl instead of u.fl ?
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Old 23rd January 2013, 02:02 AM   #439
DQ828 is offline DQ828  Australia
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Quote:
Originally Posted by qusp View Post
you couldnt have

at digikey a search for u.fl returns 229 results for cable assemblies, which I narrowed down to 24 results for suitable cables from 25-100mm long. I like the 0.81mm black cable, because it looks nicer hehe

at mouser there is a similar number, but they are more expensive. then of course there are the other compatible trade names that Ian has mentioned above.

did you perhaps not include the full stop? did you search for ufl instead of u.fl ?
I don't remember exactly (late last night) but I probably made the search criteria too long & included "coaxial" 50 ohms etc

I only searched at Mouser
thanks
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Old 23rd January 2013, 02:20 AM   #440
qusp is offline qusp  Australia
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at mouser they mostly seem to stock the hirose stuff, for double the price, you could pay for the digikey shipping with the price difference.

yeah coaxial would have returned thousands of hits, probably none of which very useful
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