[time-nuts] ngTADD-1
Bob Camp
lists at rtty.us
Tue Apr 23 18:16:15 EDT 2013
Hi
There are optical links that are better than your typical opto coupler. I have not seen many that are good to -170 dbc.
Bob
On Apr 23, 2013, at 3:58 PM, Kevin Rosenberg <kevin at rosenberg.net> wrote:
> On Apr 23, 2013, at 2:24 AM, WB6BNQ <wb6bnq at cox.net> wrote:
>> I had to buy the three components at three different places. The TOSLINK receiver came from Mouse (p/n 757-TORX177F,T) and cost $1.31. The TOSLINK transmitter came from DIGIKEY (p/n 1080-1428-ND)
>> and cost $0.866. At the time, for whatever reason each supplier had the one end but not the other.
>> [...]
>
> Thanks, I did consider optical isolation, but wasn't sure of what parts to use. Looks like the receiver isn't stocked by Mouser anymore, but I could look for it.
>
> I saw the transmitter's max jitter is specified at 20 ns. I wonder if there is a reasonably-priced substitution with < 1 ns jitter.
>
> Thanks for your thoughts,
>
> Kevin
>
>
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