installed? Do you have the KAT100
also? If you have the KPA100, has it been updated with the KPA100UPKT -
if updated, was C31 changed to 0.22 uf during the upgrade? Many
questions that I must know before venturing an intelligent comment.
73,
Don W3FPR
Zac Brown wrote:
I'm getting H
I've decided to revert my K2 back to a QRP radio to free up some funds
for another radio.
For sale: my Elecraft KPA100/KAT100 combo. It's built in an EC2
enclosure. If you have a QRP K2, all you need to install in your K2 is
the KIO2 module. The KIO2 will talk to the amp/tuner combo via the
A
I'm getting HiCurr messages when I transmit on 40m, the bargraph shows
multiple bars lit, and I can hear a very faint squealing sound coming
from the K2 when I transmit. I've built the RF probe and I'm going
through the signal tracing steps in the manual.
On the PLL Reference Oscillator steps
I am considering purchasing the KDSP2 and was wondering if someone who
has this option installed could post some recordings made while using
it. I've listened to the two recordings on the KDSP2 page and would
like to hear a few more, with different settings, etc ... I am
particularly interest
e past, I have had trouble with ones which have only a slider
>or knob for both the 'OFF' position and the adjustment - they never turn
>completely off.
>
>73,
>Don W3FPR
>
>Zac Brown wrote:
>> After shutting off the circuits in my house, it appears that most
Plasma - beautiful picture and a great RF
>generator.
>
>73,
>Dave W8FGU
>
>> -Original Message-
>> From: [EMAIL PROTECTED] [mailto:elecraft-
>> [EMAIL PROTECTED] On Behalf Of Zac Brown
>> Sent: Thursday, September 06, 2007 11:48 PM
>> To: Elecraft
asma - beautiful picture and a great RF
>generator.
>
>73,
>Dave W8FGU
>
>> -Original Message-
>> From: [EMAIL PROTECTED] [mailto:elecraft-
>> [EMAIL PROTECTED] On Behalf Of Zac Brown
>> Sent: Thursday, September 06, 2007 11:48 PM
>> To: Elecraft refl
I made a few recordings of some noise that I hear on 40m tonight. The
.wav files can be downloaded at the address below. I have no idea what's
causing this noise, or how to filter it out. Is this the type of noise
that the KDSP2 or KNB2 could remove?
Thanks,
Zac
KD5IEF
http://homepage.mac.co
A few days ago, I plugged in some headphones to my K2 and noticed that
the internal speaker didn't immediately cut out. I wiggled the
headphone plug around a bit inside the jack, and after a second or so,
the internal speaker turned off. Yesterday, when I plugged my
headphones in, the same th
e problem lies somewhere in the KAT2. However,
all of the tests in the manual check out. That is, until I cycle thru
the bands after the power calibration.
Any ideas?
Thanks,
Zac
KD5IEF
K2 4907
Zac Brown wrote:
Fellow K2 builders,
Well my K2 has been up and running now for about 2 weeks.
everyone's feedback.
73,
Zac
KD5IEF
Zac Brown wrote:
Steve,
The feedline is actually 65 ft long. It happened to be the perfect
length from the antenna to my radio, but I could add some more line in
the middle if needed. I'd just have to make the feedline take a less
direct pa
Fellow K2 builders,
Well my K2 has been up and running now for about 2 weeks. I finished
building the KAT2 last week and finally put up an antenna that should be
able to work 80 - 20m this weekend. My previous antenna was a 20m attic
mounted horizontal loop fed with coax. The new one is a 1
away from anything that would imbalance it, and would hate to mess
that up now. This is my first experience with balanced line :)
Thanks,
Zac
KD5IEF
K2# 4907
Zac Brown wrote:
Steve,
The feedline is actually 65 ft long. It happened to be the perfect
length from the antenna to my radio, but I co
In that
case you need to get a very big DPDT knife switch (Military surplus
outlets carry them) so that you can switch an alternate section in or
out to change the length of your line for different bands.
73,
Steve Kercel
AA4AK
At 12:18 PM 10/1/2006, Zac Brown wrote:
Fellow Elecrafters,
r the KAT2 will have any problems tuning this
setup from 80 - 20m. I'm also curious about which bands work better
with the balun set to 1:1 vs. 4:1 with this setup.
Thanks,
Zac Brown
KD5IEF
K2# 4907
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correct level.
Another question - do you have the K60XV installed. If you do, change R6 in
the KAT2 to 470 ohms as indicated in the K60XV manual. Without the K60XV,
the 47 ohm value for R6 is OK.
73,
Don W3FPR
-Original Message-
From: Zac Brown [mailto:[EMAIL PROTECTED]
Sent: Wednesday
to dial in C55
to about 007.
Any ideas?
Thanks,
Zac Brown
K2# 4907
KD5IEF
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hat
could be causing this? It's probably something that I did wrong while
building the radio, but I'm not sure where to look at this point.
Thanks,
Zac Brown
KD5IEF
K2# 4907
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You mu
Hello,
After reading thru the troubleshooting section of the manual, I reheated the
solder joints at Q6 & Q7. Unfortunately, nothing changed. It is as if the K2 is
always muted, except when in menu mode after "Atu" is selected. I read thru
some of the previous threads on the list related to K2s
nd hold it down) I hear audio. As soon as I
depress
the button the second time, the audio goes away.
What am I doing wrong?
Thanks,
Zac Brown
K2# 4907
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resistance checks that failed.
Test Point, Expected Resistance, Measured Resistance
U1 pin 5, 15-40k, 145k
U1 pin 12, 9-11k, 176k
J1 pin 15, 10-60k, 153k
J1 pin 16, 25-35k, 155k
J1 pin 17, 25-35k, 155k
J1 pin 18, 15-40k, 145k
Thanks,
Zac Brown
KD5I
Hello,
I'm working on getting the control board together.
I'm on C38. I have a small blue capacitor labeled "581J COG100",
but don't see one labeled 681 (the manual says C38 should be 681).
Is 581 the correct capacitor for C38?
Thanks,
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