This has probably been covered here before, but, at least going
to the 5071A, now 25 years ago!, all CBT's, whether high
performance or not, have the same amount of cesium inside.
This means that the standard performance (never call it
"low" performance) CBT has enough cesium to last 30 years!
Thus for those tubes, we can rule out cesium replenishment
even if it were possible.
Rick
On 11/1/2016 8:38 PM, Mark Sims wrote:
You mean I can't just drill a hole in, wash out the old cesium with some tap
water ;-), toss in some new cesium, suck out the air, bung a cork in the
hole, and call it a day? Drat! foiled again...
---------------
Because it's not that easy. We are talking about a high vacuum system here.
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