[time-nuts] Allan Deviation question

John Ackermann N8UR jra at febo.com
Fri Jul 6 15:30:29 UTC 2012


I don't know if they've been discontinued, but a number of the M-Audio 
cards had word clock inputs as well.  They are/were pretty widely 
available on eBay.

John


On 7/6/2012 11:24 AM, Azelio Boriani wrote:
> OK, found it: the RME HDSPe RayDAT PCIe audio card has this reference but
> with the optional extension card (of course). It is $950 for the card + the
> expansion card for the world clock...
>
> On Fri, Jul 6, 2012 at 5:09 PM, Jim Lux <jimlux at earthlink.net> wrote:
>
>> On 7/6/12 7:51 AM, Azelio Boriani wrote:
>>
>>> Yes, I'm also interested in how-to. At the moment I think it is a hack:
>>> there is no sound card AFAIK that accepts a reference input. I have
>>> recently bought an Acqiris/Agilent DP105/U1067A 150MHz 500Ms/s digitizer
>>> PCI card that accepts an external 10MHz as a reference for the sampling
>>> process.
>>>
>>>
>> oops I was wrong.. there ARE people making PCI multichannel audio
>> interfaces with external clock.. RME in Germany makes more than one.
>>
>>
>>
>>
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