[Elecraft] K3 Output

Ken Roberson kwroberson at yahoo.com
Mon May 4 19:15:53 EDT 2009


I also have found that the K3 ALC response 
time appears too slow to be useful.
Maybe it can be fixed in Firmware.
I going to disable it until it is fixed.

73 Ken K5DNL
--------------------------------------------

--- On Mon, 5/4/09, Erik N Basilier <ebasilier at cox.net> wrote:

> From: Erik N Basilier <ebasilier at cox.net>
> Subject: Re: [Elecraft] K3 Output
> To: "Ric Porter" <ric at comporium.net>, Elecraft at mailman.qth.net
> Date: Monday, May 4, 2009, 12:18 PM
> I have never noticed slow variations
> in output during normal operations on 
> my K3. However, the other day I installed the external ALC
> mod. During the 
> testing step I connected and disconnected a 9 V battery
> with a series 
> resistor. It took a couple of seconds for the K3 output to
> change. Seems 
> like another reason not to actually hook it up to the
> amplifier.
> 
> 73,
> Erik K7TV
> 
> ----- Original Message ----- 
> From: "Ric Porter" <ric at comporium.net>
> To: <Elecraft at mailman.qth.net>
> Sent: Monday, May 04, 2009 4:58 AM
> Subject: [Elecraft] K3 Output
> 
> 
> > After 5 months use my K3 has developed an output
> problem.  The output 
> > varies
> > on tune or key down.  If it is set on 100 watts,
> say on 20 meters, the out
> > put will start at 65 watts.  It then goes up to
> 110 and settles at 100
> > watts. All this is in a span of about two seconds. It
> does the same at 
> > five
> > watts, or any power.  It does the same on any
> antenna.  It is ok at 1 mil
> > through the two meter transverter. There is no device
> between the K3 and 
> > the
> > different antennas.  The variation is greater at
> the higher frequencies 
> > but
> > does occur on all bands.
> >
> > Ric
> > AA4SC
> >
> >
> ______________________________________________________________
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > 
> 
> 
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> 


      


More information about the Elecraft mailing list