[time-nuts] What's the easiest way to divide by 10 for Thunderbolt reference output?

J. Forster jfor at quikus.com
Tue Jul 24 14:57:37 UTC 2012


I think the HP 5087 Distribution Amp has a card that will do divide-by-ten.

-John

==================


> Unfortunately, the TAPR T2-Mini divider
> (http://www.tapr.org/kits_t2-mini.html) can't quite get to 1 MHz from 10
> MHz with the PIC divider chip due to limitations in the chip architecture.
>
> However, nothing says you couldn't "dead bug" in a decade divider chip
> in place of the PIC, and let the T2-Mini provide the input conditioning,
> output driver, voltage regulation, connectorization, etc. for you,
> making it much a smaller project.
>
> John
> ----
>
> On 7/24/2012 8:18 AM, Chris Wilson wrote:
>>
>>
>>    24/07/2012 13:14
>>
>> My Racal Dana 9908 can take a 1 Mhz external reference. Inputting my
>> Thunderbolt at 10 MHz works, but shifts the decimal point over. I am
>> not sure if this has any other detrimental effects as to accuracy or
>> other? What's the easiest way to have a 1 MHz reference from the
>> Thunderbolt for this timer / counter please, yet retaining 10 Mhz for
>> my other devices that want a 10MHz reference signal?  Thanks.
>>
>
>
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