WHAT are the changes to R11 and R30???? Everyone is referring to them, but
no-one has said what they are!!
I was reading past posts about the KX1 and stumbled across this post:
http://www.ac6rm.net/mailarchive/html/elecraft-list/2003-11/msg01045.html
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*To*: Elecraft@mailman.qth.net <mailto:Elecraft%40mailman.qth.net>
*Subject*: Re: [Elecraft] KX1 Power Measurements by band
*From*: [EMAIL PROTECTED] <mailto:DYARNES%40aol.com>
*Date*: Sat, 29 Nov 2003 09:12:05 EST
Add me to the list of those experiencing low power output. I was getting
under 2 watts on 40, and just over 2 watts on 30 and 20. Gary suggested I
increase R30 to 27 ohms and decrease R11 to between 3.3 ohms and 5.6 ohms
(after
first suggesting I check the toroids, etc.). I made the above changes and my
power out went to about 2.5 on 40, and just over 3 watts on 30 and 20. I had
been behind in monitoring the reflector, and now I see the other comments about
low power. I had gathered from my exchanges with Gary that I wasn't the only
one with this problem. So, I guess I will dig back in and up the value for R30
a bit more. Thanks to the NorCal resistor kit, I have a nice supply. Then,
hopefully, squeezing the turns on L2 will be necessary (it wasn't before
obviously). My guess is, though, that I still won't get to the power levels
that
Ron and Phil are reporting. We'll see.
I am also noticing the lack of audio output that others mentioned, although
on 40 it seems pretty good. It's just on 30 and 20 that it seems a little
"light". But the RX doesn't seem to miss much sensitivity wise. Pretty darn
good
RX design I'd say. Everything else seems to be working like a charm!
Dave W7AQK
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