Chris,
The mention of R99 in that article was only to check it and be certain it is
270 ohms. All the rest of the text refers to changing R98.
73,
Don W3FPR
> -Original Message-
>
> Yes thanks Don. R99 is also mentioned in
> http://www.elecraft.com/Apps/Power_Control_Mod.html so I was g
Yes thanks Don. R99 is also mentioned in
http://www.elecraft.com/Apps/Power_Control_Mod.html so I was getting a
bit confused!
73 Chris G3SJJ
Don wrote:
Sorry, that was my email I should have said R98.
Don K7FJ
Someone emailed me directly and said he had changed **R99** to 1.1K,
so n
Sorry, that was my email I should have said R98.
Don K7FJ
Someone emailed me directly and said he had changed **R99** to 1.1K, so
now I am not sure whether to change R98 or R99??
73 Chris G3SJJ
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Yes I understand Don. I was using the TUNE effect to demonstrate what I see.
I performed the following test on 40m with my 2 element phased array
connected and an SWR of 1:1. Keying with a series of dashes, K2 output
power of 34 watts initially dropped to 26w then toggled between 26 and
34, th
Chris,
You cannot make a sound judgement using TUNE. Evaluate the R98 value change
with actual keying. If you change bands or change the power level, it will
take a few dot times to settle into the new power setting, that part of your
observation is normal.
The rest of the situation is due to t
I (and many others) have exactly the same power variation. I just recently
changed R99 to 1.1K and that reduced the variation in power to the point
that I no longer notice the variations. A check of maximum power output
shows that I still get normal performance on all bands.
Don K7FJ
No, th
No, that didn't help, Stewart. With the 100 PA disconnected and 5 watts
requested, I see around 0.5 w difference in actual power and that is stable.
Having re-connected the 100 w pa to restore the K2/100 to the state I
would normally use it, I have put a scope on the output. With requested
pow
Chris,
Take a look here... http://www.elecraft.com/Apps/Power_Control_Mod.html
73
Stewart G3RXQ
On Wed, 27 Dec 2006 14:07:24 +, G3SJJ wrote:
> I am sure I have seen a discussion about this one before. During an
>
> enjoyable 160m opening to the Right Coast just before Christmas I was
> runnin
I am sure I have seen a discussion about this one before. During an
enjoyable 160m opening to the Right Coast just before Christmas I was
running a few Stateside stations and noticed a definite output power
variation coming from my Acom 1000 which was being driven by the K2. I
would guess that
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