Good Evening,
Some weeks nothing goes right, this was not one of them. Light rain
then sun and mild temperatures. More flowers and more birds. Snow is
melting above me so streams are full. The ground was dry enough to let
me check the forest. I have much less damage than my neighbors.
On 3/30/2024 9:16 PM, Bob McGraw wrote:
Perhaps a transmit gain calibration is in order.
Sadly, the TX gain calibration did not solve the overshoot problem.
73, Mike N4CF
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On 3/30/2024 9:16 PM, Bob McGraw wrote:
Did the fault occur immediately after a band change? I occasionally see
a slight power overshoot from my K3S on the first transmission after a
band change.
No. It occurs after the KPA switches from STBY to OPER. With the KPA
turned off, the overshoot
Did the fault occur immediately after a band change? I occasionally see
a slight power overshoot from my K3S on the first transmission after a
band change. Perhaps a transmit gain calibration is in order. I use
the K3 Utility for this purpose and a known good 50 ohm dummy load.
The rad
I am looking for some older K3 boards that most of you have upgraded,and
probably will never use.
Ksyn3
Kant3
Kxv3
Kxv3a
Kio3
I could use 5 of each to start.
Please let me know what you have sitting around.
Thank you,
Larry K6ro
www.LSRarecoins.com
310-710-2869
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The 2N5235B is .15 cents + postage at Digikey. Better hurry they only have
14,500 left.
73, AK5X-Bill
Sent from my iPhone
> On Mar 30, 2024, at 4:56 PM, W3FPR wrote:
>
> Bruce,
>
> You might try replacing the diode in the N-Gen.
> If that does not work, then look at the Noise Generator that
Bruce,
You might try replacing the diode in the N-Gen.
If that does not work, then look at the Noise Generator that N0SS (SK)
published. It is available at
http://www.mmccs.com/mmarc/n0ss/noise_source.pdf.
If you have board etching capability, the board shown is full size -
although you can w
I built a QRPGuys noise bridge a while back. Fun kit.
https://qrpguys.com/test-equipment
73,
Brian, K0DTJ
> On Mar 30, 2024, at 13:43, Bruce Rosen wrote:
>
> I see that Elecraft no longer sells the N-GEN wide band noise generator.
> My N-GEN, which I built in 2010, seems to function no longe
Here is a possibility:
https://www.analog.com/en/resources/design-notes/building-a-lowcost-whitenoise-generator.html
Dave AB7E
On 3/30/2024 1:41 PM, Bruce Rosen wrote:
I see that Elecraft no longer sells the N-GEN wide band noise generator.
My N-GEN, which I built in 2010, seems to funct
I see that Elecraft no longer sells the N-GEN wide band noise generator.
My N-GEN, which I built in 2010, seems to function no longer, so I'm
looking for a suitable replacement. Kit form is fine.
Any suggestions would be appreciated.
- Bruce K1FFX
Hi Pete,
Check the KPA1500 fault log using KPA1500 Utility. Amp fault codes starting
with "6" (such as fault 60) are displayed on the K3 as fault 6.
73,
Wayne
N6KR
> On Mar 30, 2024, at 6:42 AM, Pete Smith N4ZR wrote:
>
> I have seen this a couple of time when my KPA1500 throws the Excessive
I have seen this a couple of time when my KPA1500 throws the Excessive
power input fault. Can't find any definition in my K3 docs.
--
73, Pete N4ZR
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