That is a mystery.
The KPA500 is simply an amplifier, so it should amplify the K3S PEP
power for SSB the same as it does for CW.
Take a look at the drive power from the K3S. If you are overdriving the
KPA500 in SSB, it may be switching in an attenuator.
That could result from having too much compression on your SSB setting
in the K3S.
Have you set the PER BAND power in the K3S to limit the power to the
KPA500 when in operate mode? See the KPA500 manual pages 9 and 10.
73,
Don W3FPR
On 10/9/2017 11:55 PM, marvwhee...@nwlink.com wrote:
After switching from cw to sideband I have no output from either the K3S or
the KPA500. Simply putting the KPA500 into standby allows output from the
K3S. I think I have a switching problem. Where should I look?
Thanks
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