[time-nuts] 5060A acoustic noise issue
Dave Carlson
dgcarlson at sbcglobal.net
Tue Jan 8 16:17:22 EST 2008
You might try Frequency Standards and Services in Colorado Springs for any
parts. However installing the 5061A/B A11 Dc Oven Controller into a 5060A
may not be simple.
Dave
----- Original Message -----
From: "corby d dawson" <cdelect at juno.com>
To: <time-nuts at febo.com>
Sent: Tuesday, January 08, 2008 8:48 AM
Subject: [time-nuts] 5060A acoustic noise issue
Brian,
I once obtained a 5060A that was used in the time and frequency lab at
HP.
I guess it had sentimental value to them as they kept it going long after
the 5061B had come out.
It had a newer tube in it and more to the point it had one of the later
5061A/B style A11 oven controller modules installed.
This provides DC to the hot wire and no acoustic noise!
I can't remember where they shoe-horned it in as it is a taller module
than the 5060As.
These A11 units are obtainable and the modification would not be
daunting.
Best regards,
Corby
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