Sources for 3.5 mm (1/8 in) TRS jack with optical S/PDIF output

wachuku · 28th April 2010, 12:25 AM

Recently I used a laptop PC (not mine) where the 3.5 mm audio headphone jack doubled as an optical S/PDIF audio transmitter. I have also seen the dual purpose headphone-S/PDIF 3.5 mm jacks on other PCs. Does anyone know if these types of jacks can be purchased somewhere?

For example the parts supplier digikey lists Toshiba part number TOTX147L(F,T) which is a 3.3V 96kHz optical S/PDIF transmitter with the "standard" optical S/PDIF cable connecter. I cannot however find optical S/PDIF transmitters in a 3.5 mm TRS jack configuration. (Nor can I find what I'm really looking for, a 3.5 mm jack serving as a "dual" output with the possibility of outputting either an electrical headphone signal or an S/PDIF optical output).

Anyone aware of any sources?

qusp · 28th April 2010, 04:47 PM

I have wondered this myself, possibly you could find a fairly generic device that has one and look up the service manual, this should tell you the part number

wachuku · 29th April 2010, 04:29 AM

Hi qusp --

Someone has found the parts mentioned above; more info in the link below:

Source for 3.5 mm (1/8 in) optical S/PDIF transmitter

This thread should be closed off because it was moved to a more appropriate section (parts).

28th April 2010, 12:25 AM	#1
wachuku diyAudio Member Join Date: Oct 2007	Sources for 3.5 mm (1/8 in) TRS jack with optical S/PDIF output Recently I used a laptop PC (not mine) where the 3.5 mm audio headphone jack doubled as an optical S/PDIF audio transmitter. I have also seen the dual purpose headphone-S/PDIF 3.5 mm jacks on other PCs. Does anyone know if these types of jacks can be purchased somewhere? For example the parts supplier digikey lists Toshiba part number TOTX147L(F,T) which is a 3.3V 96kHz optical S/PDIF transmitter with the "standard" optical S/PDIF cable connecter. I cannot however find optical S/PDIF transmitters in a 3.5 mm TRS jack configuration. (Nor can I find what I'm really looking for, a 3.5 mm jack serving as a "dual" output with the possibility of outputting either an electrical headphone signal or an S/PDIF optical output). Anyone aware of any sources?

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28th April 2010, 04:47 PM	#2
qusp Sometimes a square peg fits a round hole just fine diyAudio Member Join Date: Oct 2009 Location: Brisbane, Australia	I have wondered this myself, possibly you could find a fairly generic device that has one and look up the service manual, this should tell you the part number

29th April 2010, 04:29 AM	#3
wachuku diyAudio Member Join Date: Oct 2007	Hi qusp -- Someone has found the parts mentioned above; more info in the link below: Source for 3.5 mm (1/8 in) optical S/PDIF transmitter This thread should be closed off because it was moved to a more appropriate section (parts).

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