[time-nuts] 10544 TCXO used in H/P 5245L counter

paul swed paulswedb at gmail.com
Fri Dec 24 14:43:27 UTC 2010


Ooops I see it was a update on page 204 roughly.
So what are you running into as a issue.
Could take offline if you would like.
Regards
Paul.

On Fri, Dec 24, 2010 at 9:39 AM, paul swed <paulswedb at gmail.com> wrote:

> Odd I see the oscillator is 1 Mhz driving various ddas as they used to call
> them.
> Did not think a 10544 could work in one of these counters.
> Must have been a later version.
> Regards
> Paul.
>
>
> On Fri, Dec 24, 2010 at 7:24 AM, Dave M <dgminala at mediacombb.net> wrote:
>
>> Dave M wrote:
>>
>>> Subject: [time-nuts] 10544 TCXO used in H/P 5245L counter
>>>>
>>>> I`m looking for a pdf of the schematic of the motherboard that the
>>>> 10544 frequency reference plugs onto in the H/P 5245L counter. This
>>>> is the one that has a 723N, and a 7490N to produce a 100KHz
>>>> reference. Something is amiss with this board.
>>>> Thankyou.........................................Don.
>>>>
>>>>
>>> Don,
>>> The 10544 oscillator outputs 10 MHz, so the output from the 7490
>>> would be 1MHz, not 100KHz.  if that's what you're seeing, then it's
>>> working properly.
>>>
>>
>> I forgot to include a URL to the manual.  It's right there on the
>> HP/Agilent web site at
>> http://cp.literature.agilent.com/litweb/pdf/05245-9044.pdf.
>>
>>
>>
>> David
>> dgminala at mediacombb dot net
>>
>>
>>
>>
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>
>



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