I'm sure I said that ... a long time ago. I can't remember now what the fix was, but I am fairly sure it would only apply to phase noise at
more than 1 kHz offset.  If anyone can jog my memory about it I might
be able to remember the details.

Rick N6RK

On 12/25/2021 2:09 PM, Stewart Cobb wrote:
Rick Karlquist mentioned some time ago that the phase noise of the E1938A
could have been improved by a simple change, but the production managers
were unwilling to apply that change because there was no customer demand
for it.

What was that change, and is it feasible for a skilled hobbyist to make
that change on an individual existing unit or two?

Cheers!
--Stu
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