[Elecraft] [K2] K2/100 power out on 10m SSB...

VK7JB zendoc at netspace.net.au
Fri Nov 5 23:51:10 EDT 2010


Just noticed that power out on 10m (28490) CW and in TUNE mode is 85W, but
maximum PEP on SSB is 30W.

All other bands, I get 100W out in CW/TUNE & SSB.  I'm checking this by
running K2/100  into a 50 ohm dummy load.  Wattmeters are a WavenodeWN-2 and
Autek WM1. Same  PO PEP recorded with both.

I've done the mod replacing K2 R98 with a 1k0 resistor to reduce the ALC
dithering on 40m. This did reduce the power out on 10m in CW and TUNE from
100W to 85W, but I was happy with that compromise for the more stable ALC
action.

Any explanation why is the output SSB is so much reduced compared with CW
and TUNE modes?

73,

John
VK7JB
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