I agree the problem may be inside the rig, even though a "symptom" is
voltage sag at the power supply.
But I disagree the problem is not a voltage swing, and disagree it would
affect all bands equally. My broken Jupiter experienced significant
voltage sags on several bands, and produced 120 w on some bands, 60 w on
other bands, and 100 w on still other bands. Nor was it consistent on
the same bands when I changed modes - one one band it put out 100 watts
on CW, but not on SSB using a loud tone. It would flip on other bands.
So it was not at all consistent and I could not discern any pattern.
Still, I agree the problem may be located inside the rig, and not inside
the power supply. Replacing the logic chip restored all bands to proper
function.
--------------------K8JHR----------------------
On 10/12/2013 11:42 AM, Rick - DJ0IP / NJ0IP wrote:
All of the suggestions for improving the voltage drop are good, but they are
not addressing the problem.
If the voltage swing were the cause of the problem, he would have low output
on all bands.
His problem is only on two bands.
The cause of this problem is either the watt meter or something inside the
transceiver, not the P.S.
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