Dr. Werner Furlan wrote:
when I transmit in SSB I am not able to get 100 % HF output.
peak power is around 40 Watts whatever I do, reading on the LP-100 peak
power meter. (using a Heil Proset with HC 5 Element)
RF display is about 40 % max.
But! when I key the transceiver with the CW paddle in SSB (new feature,
very welcome!) I suddenly get full output also with normal speech.
If I twist the power a little up or down, I am back on 40 % output,
with one Dit
in CW I can have the full power back.
I am curious, if I am the only one with this problem.
btw, modulation reports on the air are excellent. Loud and clear, vy
good
readability.
Hi Werner,
Have you tried doing power calibration on all bands as described in the
manual? You need to do TUNE on each band, into a dummy load, at both 5
W and 50 W. This should get you reasonably close at 100 W.
However, for best initial power-setting accuracy in SSB modes and in
DATA A and AFSK A, I'd recommend doing a quick TUNE. This is more
accurate than setting the POWER control, which at present uses a lookup
table to determine the approximate drive value required.
You can also use a non-zero value of CONFIG:TXG VCE to adjust the
nominal drive level in voice modes vs. CW mode. You might try setting
this to +1.0 or so.
73,
Wayne
N6KR
---
http://www.elecraft.com
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