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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