[time-nuts] Efratom Rubidium SPTB-100/LN-001 info wanted

[Pete Lancashire]

Is the Tektronix p/n on the unit ? it may be 119-xxxx-xx


On Thu, Dec 5, 2013 at 7:34 PM, Rex <rexa at sonic.net> wrote:

> I have an SPTB-100. It seems to be a custom version of a standard FRK(LN)
> rubidium for Tektronics.
>
> I got mine around 2000. (Mine is an 88 date-code vs. your ancient 86
> version.) It didn't work initially because the internal Xtal oscillator
> wouldn't sweep through lock frequency. Changed a cap in the oscillator and
> it worked again. I've only powered it up a few times; I assume mine is
> still working. I was told it is low-noise for a rubidium.
>
> Somewhere locally, I got a copy of a manual for it. Other than the cover
> page, it seems to be a standard FRK manual, which the KO4BB pages already
> have. Today, I made a short PDF with a scan of the cover page and a few
> notes I wrote up.
>
> You can get it here:
> http://www.xertech.net/pub/SPTB-100%20notes.pdf
>
> I also uploaded it to KO4BB for future references.
>
> If anyone knows more or sees any problems with what I wrote up, please let
> me know and I'll correct or update.
>
> -Rex KK6MK
>
>
>
> On 12/4/2013 7:08 PM, Jerome Peters wrote:
>
>> Hello,
>>
>> Can anybody shed some light on this particular model:
>> Model - SPTB-100/LN-001
>> Efratom part No. 703-200-11
>> Date Code 8609
>>
>> (I have looked at K04BB's website, it has lots of other models, but not
>> this one).
>>
>> Thank You,
>> Jerome
>> AF6UX
>>
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