Hello list,
same guy who direct-wired a STP2390C into a HP5334A earlier this year
back here again. As a christmas holidays nano-project I made a little
PCB to have a nice plug-in module instead of a snake nest. Today the
boards arrived from the factory, and it was a lesson in "dont try to
design a PCB when 2 little ones are running around you". Swapped two
pins. Minor other things. But nothing that a drill press, scalpel and a
piece of enameled wire can`t fix. Also users outside germany might want
to use the permanent powered +30V rail instead of the +15V I settled for
and so far cannot decide if I also change.
Besides the STP2390C, it needs to be populated with a 7812 voltage
regulator and some chicken food, and with a little cable run a Trimpot
on the "OSC ADJ" opening can be connected too. Space for add-ons
provided, mine has 1K in series from osc output to PCB output.
Details will follow soon, I will post a description with updated eagle
files on my website.
Now I have some leftovers that I would like to offer time-semi-nuts that
want such a OCXO in their beautiful 5334A.
€3 for a unmodified buggy board, €5 for a board with the "subtractive
corrections", say drill and cut sound about okay? Of course with
additional shipping fee from germany that I have to figure out, bare
PCB, no other parts.
Best regards,
Hendrik
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