Interesting Earl, the non exhaustive tests I've done indicate that it is not
due to magnetic fields. But if indeed that is the case, there must be a
relatively easy, if perhaps not elegant, way of significantly improving
this.
Has anyone else investigated this?
73 Fraser G4BJM
From: Earl W Cunningham <[EMAIL PROTECTED]>
Over a year ago I noticed this problem, which occurs only when my K2 is
driving my Alpha linear. After extensive testing done by me to determine
the cause of the problem, is was found to be caused by hum from the
magnetic field of the linear amplifier's HV transformer getting into the
PLL circuit of the K2. In my case, 6 feet of separation between the K2
and the linear was not enough to eliminate the problem, however with 30
feet of separation (with the K2 and amp in separate rooms) did solve the
problem. This answer is unacceptable, of course.
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