[time-nuts] Nortel GPSDO osc age alarm

[Volker Esper]

Oukaay - I should've known... Thanks, Jim!


Am 24.01.2014 21:12, schrieb Jim Lux:
> On 1/24/14 11:57 AM, Volker Esper wrote:
>> Nice! I didn't know that. But what a number, 300... Why such a
>> digital-hostile factor? Why not 256 or 512?
>>
>> Volker
>>
>>
>> Am 24.01.2014 20:51, schrieb TMiller at skylinenet.net:
>>> 9.8304 MHz divided by 300 is 32,768 Hz.
>>> Feed that to an electronic clock and you will have an atomic clock
>>> of sorts.
>>>
>>> Regards
>
>
> 9.8304 is 300 baud * 32768.  So you can generate all the conventional
> digital data rates (1200,2400,.., 38.4k with powers of two). 
> Typically, a UART wants to see a clock that is 16x or 8x bit time, so
> you need something a bit higher.
>
>
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