I has tried replacing the 10uF caps with 100uF in AF-amp, also in
data-sheet for LM4811MM we see grounded pin 10 have to add for 1uF cap.
The result is excellent with my ProSet.
Sound clean and deep. Signals became more raised, proturberant, appeared
body of the sound, clearly differ the most
Dick,
You are so right! Elecraft has a great and unique products backed by
service which is unbeatable. It is fun to feel part of the design team!
These radios are selling world wide despite all sales being direct. I
actually feel this latter policy is an advantage as Radios in the
I have found that I must quickly hit the enter button (enter written in
green) to get the K3 Timekeeper screen to execute the update. Immediately
after it updates it leaves CONFIG: TIME and goes back to normal frequency
display. Roy Morris W4WFB
i am running straight from the sound card to the line in/out on the k3
and using vox in the data mode DATA A and i am wondering if there is
a way to set default vox in this mode.. i always forget to switch off
when going back to ssb...
Gentlemen,
Is there any way to manipulate the transmitted audio when on FM using the K3???
Nothing in the
manual
suggests that it's even remotely possible, while of course when on SSB or AM it
can be
accomplished
using either TX-EQ or ESSB!
I ask this question because I work a club-rptr on
Is there any way to manipulate the transmitted audio when on FM using the
K3???
Tx EQ is applied.
You can adjust the deviation as well.
73,
Lyle KK7P
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Jim,
It certainly could be the bandpass response of the microphone element
itself. What are you using for a microphone on the K-3? Check that out.
Milt, N5IA
- Original Message -
From: JIM DAVIS nn...@astound.net
To: elecraft@mailman.qth.net
Sent: Monday, June 22, 2009 11:24 AM
Where are these caps? I see them on page 28 of 52 on the schematics but
where do they physically live in the unit. I assume they are on the main
DSP board. Also as far as the grounded 1uF cap are you talking about the
lil decoupling nugget they had sitting there? Guess it couldn't hurt...
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I have been generally frustrated with the NR and stopped using it. Then,
playing around I turned off the effects, AFX and tried NR in vanilla mono. It
works much better. My ignorant theory is that AFX and NR together is more
processing than the audio can take and lots of content is lost.
Hi K3 users,
sorry for the first mail in HTML-format
ASCII should fit better ;-))
what is your recommendation for the use of full-bk?
I find it being not as smooth as I remember it from my old K2
What can I optimize?
Does it help to switch off DSP functions like AFX, CWT or NR???
--
/*73
Hi Jim,
Like you I find the K3 lacking on both FM and AM. The audio sounds thin.
The AM is lacking, in that with full mic gain and full compression I
only get about 85 percent modulation.
I would like to be able to control the audio as I can on SSB, which is
excellent. Any chance of having
Hi John, Jim,
I have noticed this problem with AM for some time, and hope that a
solution would soon be coming soon.
73
Bill Churchill AA1O
On Jun 23, 2009, at 3:05 PM, john petters wrote:
Hi Jim,
Like you I find the K3 lacking on both FM and AM. The audio sounds
thin.
The AM is
...I find the K3 lacking on both FM and AM. The audio sounds thin.
The Tx EQ is applied in AM and FM modes, so you should be able to tailor
it pretty nicely.
Some months ago (I don't know exactly when) the components in the Tx
audio path, and Rx headphone path, were changed to improve low
Folks:
If you're taking your K3 out to Field Day this year, AND especially
if you're going to have unfamiliar (I call 'em 'fiddley-fingered')
ops using the rig on SSB (especially), there is a feature recently
released in BETA firmware release 3.19 which you might be interested in.
Over the
That's great news Lyle. It looks better on my monitor scope. I will
try it live on our AM gray hair net tonight. Thanks for the great work.
Bill AA1O
K3 287
K2 1740
On Jun 23, 2009, at 3:16 PM, Lyle Johnson wrote:
...I find the K3 lacking on both FM and AM. The audio sounds thin.
The Tx EQ
Wolfgang: What do you mean by not as smooth? I use bull-bk for every cw
qso and this is as smooth as it gets. What are you hearing that's not
smooth?
Steve Ellington
n...@carolina.rr.com
- Original Message -
From: Wolfgang Schwarz -DK9VZ- w...@dk9vz.com
To: elecraft@mailman.qth.net
These caps - near Front Panel Phone Out. C9=C13=100uF 10V
Also add 1uF: + to pin 10 U2; - to ground. Picture here:
C9 and C13: http://forum.cqham.ru/files/thumbs/t_img_0011_824.jpg
new 1uF cap: http://forum.cqham.ru/files/thumbs/t_img_0010_282.jpg
Yes, IF buffer amplifier also have to be
These caps - near Front Panel Phone Out. C9=C13=100uF 10V
Also add 1uF: + to pin 10 U2; - to ground. Picture here:
C9 and C13: http://forum.cqham.ru/download.php?id=43285 (big photo)
new 1uF cap: http://forum.cqham.ru/download.php?id=43286 (big photo)
Yes, IF buffer amplifier also have to be
I assume you are using small bandwith CW filters. You should turn off NR
because it is useless at small bandwith and may be the source of not
smooth qsk
72/3 de Peter, DL2FI
- Original Message -
From: Wolfgang Schwarz -DK9VZ- w...@dk9vz.com
To: elecraft@mailman.qth.net
Sent: Tuesday,
I has tried replacing the 10uF caps with 100uF in AF-amp, also in
data-sheet for LM4811MM we see grounded pin 10 have to add for 1uF cap.
The result is excellent with my ProSet.
If anyone is going through the trouble of changing the 10uF caps at C9 and
C13 on the front panel DSP Board, I
So does that mean that after some specific serial number there is
better LF response in both transmit and receive than earlier radios?
Is this a change that can be worked into the mods list, or would it
require replacement of the board(s)?
Grant/NQ5T
On Jun 23, 2009, at 2:16 PM, Lyle
Paul, don't touch C22 cap (Cb for pin3 bypass)!
You can to add 1uF cap to VDD line (U2 pin10).
Alex UR5LAM
Paul Christensen пишет:
The National LM4811MM spec sheet notes that the bypass cap (Cb) value as
described above is critical with respect to turn-on clicks and pops.
From the data
So if you're doing C84 and C92 why not also C82 and C90?
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Alexander Ponomarenko
Sent: Tuesday, June 23, 2009 12:54 PM
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3
I'm having a hard time finding where these changes are. Were these changes
rolled into the current production?
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lyle Johnson
Sent: Tuesday, June 23, 2009 12:17 PM
To: john
Just like in Karate Kid... Lock ON / Lock OFF... it toggles.
Tom
At 14:41 06/23/2009, you wrote:
How do you unlock it? The release notes say to tap 1 in CONFIG:PWR_SET to
lock, but I don't see a description of how to unlock it there. I haven't
tried this...
Dick, K6KR
-Original
Sending a string of DITS using an external keyer, and in QSK mode, I can hear
receiver noise between the dits until about 19 WPM.
At that point the receiver is muted, so 20wpm or greater on my radio as it
sits, there is no QSK. :-(
Is there a firmware adjustment that will improve this?
TIA,
I have no problem hearing 40m BC carriers between dits at 40 wpm using
N1MM as an external keyer (via RS-232 cable), so you've got an excessive
delay somewhere else in your settings.
73,
Dave AB7E
Don Rasmussen wrote:
Sending a string of DITS using an external keyer, and in QSK mode, I
You certainly have something wrong. At 20 wpm in QSK mode, I can not only
hear between dits but can almost understand what an AM station is saying! At
50 wpm I can hear the distinct clicks as a carrier from a BC station pops
through.
Steve Ellington
n...@carolina.rr.com
- Original Message
A friend of mine and myself noticed thumping using QSK with certain settings on
the front panel.
My friend referred this issue to Wayne at Elecraft, he was able to duplicate
it, and said it was being added to the to do list.
Best way to eliminate this is to set the rig to semi BK IN,
Hmmm - using CMOS4 keyer into KEY phono plug at rear - 3.10 firmware. CW Mode,
QSK on, VOX off.
--- On Tue, 6/23/09, Steve Ellington n...@carolina.rr.com wrote:
From: Steve Ellington n...@carolina.rr.com
Subject: Re: [Elecraft] K3 QSK?
To: Don Rasmussen wb8...@yahoo.com,
Want to buy K2 QRP, the more options the better. Please reply email to
k...@yahoo.com
73
Paul
--
View this message in context:
http://n2.nabble.com/WTB-K2-QRP-tp3146098p3146098.html
Sent from the [K2] mailing list archive at Nabble.com.
Think I have it, had set TX DLY to 20, it is normally 8. Somehow I considered
this would only apply to VOX mode. ???
Set it back to 8 and QSK is good again.
Thanks for the reports...
--- On Tue, 6/23/09, Steve Ellington n...@carolina.rr.com wrote:
From: Steve Ellington n...@carolina.rr.com
Thumping? If this K3 started that stuff, it would be out the door faster
than a scared cat. Good QSK is hard to come by and it really surprises me to
hear these comments. I mean come on now.A friend noticed thumping and
with Certain settings of the front panel Certain settings? Is that in
W7OTV will have at least two and possibly more K3s on the air. WS7L and
several others will be working CW, while I (AD7OG) will be running
digital (at least PSK31 and RTTY) on mine.
At present the SSB stations plan to use lesser rigs :-)
Steve
AD7OG
K3/100 SN 1544
Don and all,
This is not a specific comment on your situation, I am just using it as
one example. IF everyone would read through the menu settings for the
radio, I believe a lot of these type questions would be answered. Yes,
a bit of logical thought about the effects of each setting is in
It won't be the first time I've posed a dumb question to the reflector, but I
do try to answer more questions than I pose, and put enough info on the K3 Wiki
to keep my RTFM account in the black. ;-)
http://www.zerobeat.net/mediawiki/index.php/K3_Wiki_at_ZeroBeat.NET
--- On Tue, 6/23/09, Don
Just received my factory-assembled K3 with KAT3 auto antenna tuner, KRX3
sub receiver, KTCXO3 temp controlled oscillator, and 2 sets of 2.8 khz, 1.0
khz, and 400 hz 8-pole filters for both receivers along with the USB
adapter. Sure sounds nice! I haven't even transmitted yet. I really
Just to be sure...
I've got a 50uV signal being injected into ANT1 of the KAT3 and a dummy
load connected to ANT2. I hear the signal on the main RX at S9 and
heard the signal on the SubRX (listening to the dummy load) at about
S2.5 (the third light is flickering). I'm not really able to affect
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