Have you tried setting Config: TXG VCE to 3.0dB?
It did not solve the problem. But as I said, at least the recent
frimware has been much better.
vy 73 de toby
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Hello Lyle,
I personally am not experiencing the low SSB output on any band, but I am
considering going from the 2.7K filters in the K3 and KRX3 (matching filters)
to the 2.8K filters. I may be asking for trouble by doing this. Is there any
indication as far as you know that the filters may
...Is there any
indication as far as you know that the filters may be a part
of the 10 meter SSB output power problem?
The problem I have been aware of is the LSB/USB power output difference.
That seemed to be confined to 2.7 kHz filters, was related to the
center frequency offset, and
I have the 2.8 filter installed so the problem is not limited to the 2.7.
Mike/aj9c
Lyle Johnson [EMAIL PROTECTED] wrote:
...Is there any
indication as far as you know that the filters may be a part
of the 10 meter SSB output power problem?
The problem I have been aware of is the
Hi Lyle,
I do not know if we all might be talking about various ills with similar
symptoms. It might be that more than effect might be behind the various
observations, imho.
What I have, to the best of my memory, observed in various firmware
versions is that there is/was a tendency for the
Toby Deinhardt wrote:
Hi Lyle,
I do not know if we all might be talking about various ills with
similar symptoms. It might be that more than effect might be behind
the various observations, imho.
What I have, to the best of my memory, observed in various firmware
versions is that there
Friends,
maybe we have to sort problems with SSB power level to permanent
problems and temporary problems.
Permanent lower level is possible to cure via VCE gain setting (I
suppose hope).
Temporary problems are more complicated. I remember my problems with
miliwat output levels via KRX3 vith
Temporary problems are more complicated. I remember my problems with
miliwat output levels via KRX3 vith certain version of F/W,
correction - should be KXV3
my waiting for KRX3 is so intensive
:-)
L. -dst-
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I have previously documented the SSB power drop problem to elecraft and
understand it's on Wayne's list to resolve. I used the 2-tone test and
adjusted the 2-tone peak power to equal CW TUNE power (using an LP-100A). I
found three things trigger the SSB power drop: 1) a power change even if you
If this has previously been discussed - please forgive me.
This weekend ten meters was open (as much as it could be at the bottom of a
cycle) and the 10-10 contest gave me a great opportunity to try out the 10
meter band on my recently completed K3 #1318(latest firmware). All seemed well
until
I saw the same thing too. The problem seemed to be on the other bands also. I
got about 70w out but had to turn the mic gain all the way up. This isnt right
to have to hit it this hard to get output. I had a local listen to the signal
and until the mic gain was all the way he didnt think I
#1318(latest firmware). All seemed well until I noticed that my
power output on SSB was down as indicated on the K3 power meter and
where I normally see 100 watt pep output on my tuners average
reading meter. So I grabbed my Bird 43 (with PEP option) and a
dummy load. Sure enough,
I have been having a similar problem on 30m through 160m. Output is fine on
CW on all bands. On SSB, I am gettting only about 50 watts on those low
bands.
It appears to be hardware related, at least in my case. I have been doing a
lot of remote troubleshooting with Gary Surrency, and at this
Hi John,
can you - and the rest of suffering by this problem - put here some
more details about your setting:
- POWER per Band active?
- TUN PWR -nor- or any value defined?
Just to have complete picture.
Did you try to chenge some settings with some change in behaviour?
Thnaks,
Lexa, OK1DST
For me this problem exists. ATU bypassed. Pwr to 100w. Everything is nor.
Antenna is c31xr swr 1 to 1.1. also testd with dummy load.
Alexandr Kobranov [EMAIL PROTECTED] wrote:
Hi John,
can you - and the rest of suffering by this problem - put here some
more details about your
I have the same problem on LSB 40 meters.
Oms PY5EG
-Original Message-
From: Alexandr Kobranov [EMAIL PROTECTED]
Subj: Re: [Elecraft] K3 - Strange problem on 10 Meter SSB with power out
Date: Mon 4 Aug 2008 14:42
Size: 3K
To: WA6L [EMAIL PROTECTED]
cc: elecraft@mailman.qth.net
Hi
The problem has been consistent across many configuration changes. TUN PWR
is set at 100, though I tried it at several settings. Power-per-band is not
active.
To test, I use the built-in 2-tone generator that you can enable in the
configuration menu. That is very handy for testing audio
If you experience this problem (low output on SSB), please check if the other
sideband works OK, and note if you are using the 2.7 kHz 5-pole filter or the
8-pole 2.8 kHz filter.
Finally, please try the latest beta firmware.
73,
Lyle KK7P/7
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