K3 power output on SSB
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I have the exact same issue with output on my K3. I believe it only became noticable
after I started driving the radio with W2IHY gear. Power beings at around 80 watts and then "warms up" to over 100. I installed the latest firmware (all boxes ticked) a week or two ago and just hooked up the 8 Band EQ and EQ Plus last weekend. I need to go back and verify it doesn't happen with a hand mic and will update this thread. Tom Kruczek W1TXT |
Re: K3 power output on SSB
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In reply to this post by Juha - oh6os
Well, what I do is when I change frequencies, I go to cw and key it until the power comes way up. Yes, it is a pain. Some may say you can't see a difference on the s-meter but if you use an amp with tubes, that "little extra" that takes time to come up makes a difference. This could be tweaked.
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Re: K3 power output on SSB
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I press the TUNE button and this solves the problem.
Will it be solved with a firmware update? 2010/4/1 -.-. --.-N3TU -.-. --.- <[hidden email]> > > Well, what I do is when I change frequencies, I go to cw and key it until > the > power comes way up. Yes, it is a pain. Some may say you can't see a > difference on the s-meter but if you use an amp with tubes, that "little > extra" that takes time to come up makes a difference. This could be > tweaked. > -- > View this message in context: > http://n2.nabble.com/K3-power-output-on-SSB-tp4818879p4835445.html > Sent from the [K3] mailing list archive at Nabble.com. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > -- Rubén Navarro Huedo http://www.palotes.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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In reply to this post by W8JI
Tom:
The other day I was in contact with Don, N4ZZ, and he was complaining about a drop in power output from the K-3 of approximately 50% on occasion, particularly when he was driving his amplifier. He was using the latest software version 3.79. Although it is not exactly the problem you have described it was a power output instability problem which had not been there before. I am currently using version 3.77. Although I downloaded 3.79, I decided to hold off installing it until more is known as to whether there is a problem or not with that version. I will say I've seen nothing with version 3.77. The power output seems quite stable. I don't know whether there is or is not a problem but I have seen several references to output power instability with the latest version. There may be something to this. Perhaps you could reload version 3.77 and see whether the problem persists. Happy Easter. Bruce-W8FU -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of Tom W8JI Sent: Tuesday, March 30, 2010 9:35 AM To: [hidden email] Cc: [hidden email] Subject: Re: [Elecraft] Odd power/ALC problem I unloaded the firmware by going back to an earlier version. After seeing it worked "OK" on USB, I deleted the new files from the K3 utility, reloaded them in a new folder, and installed from that folder. The problem repeats. The problem seems to go away if I offset the SSB TX filter by -800 Hz. ----- Original Message ----- From: "Don Wilhelm" <[hidden email]> To: "Tom W8JI" <[hidden email]> Cc: <[hidden email]> Sent: Tuesday, March 30, 2010 8:45 AM Subject: Re: [Elecraft] Odd power/ALC problem > Tom, > > Did you use K3 Utility in Advanced mode and check all the > boxes and click the box to load all checked items? Any > other method will not work because the K3 is already > loaded with the same level that you are trying to re-load. > > I believe the filter offset for LSB/USB is controlled in > the DSP code, so that must be force loaded to make any > change. > > 73, > Don W3FPR > > Tom W8JI wrote: >> Already deleted the firmware from my computer and >> re-downloaded the firmware from the elecraft site fresh. >> No help. >> >> ----- Original Message ----- From: "Don Wilhelm" >> <[hidden email]> >> To: "Tom W8JI" <[hidden email]> >> Cc: <[hidden email]> >> Sent: Monday, March 29, 2010 10:43 PM >> Subject: Re: [Elecraft] Odd power/ALC problem >> >> >>> Tom, >>> >>> I certainly don't know what is going on with your >>> problem, but since no one else has mentioned anything >>> like that and teh current firmware has been out for a >>> while, I would guess that you have a corrupt firmware >>> download. I would get a fresh copy from the Elecraft >>> website and re-load it. >>> No promises, but it certainly is worth a try. If that >>> does not fix it, a note th K3support is in order. >>> >>> 73, >>> Don W3FPR >>> >>> Tom W8JI wrote: >>>> I have an odd power and ALC problem. >>>> >>>> When I load the latest firmware into my K3, it nearly >>>> quits working on USB. The power output is very low with >>>> occasional high peaks. LSB remains good. >>>> >>>> If I offset the filter -800 Hz, USB starts working OK. >>>> >>>> If I make no other changes and go back to the older >>>> firmware, the problem goes away. >>>> >>>> Any ideas anyone? >>>> >>>> Tom >>>> ______________________________________________________________ >>>> Elecraft mailing list >>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>>> Help: http://mailman.qth.net/mmfaq.htm >>>> Post: mailto:[hidden email] >>>> >>>> This list hosted by: http://www.qsl.net >>>> Please help support this email list: >>>> http://www.qsl.net/donate.html >>>> >>>> >>>> >>>> >>>> No virus found in this incoming message. >>>> Checked by AVG - www.avg.com Version: 9.0.791 / Virus >>>> Database: 271.1.1/2777 - Release Date: 03/29/10 >>>> 02:32:00 >>>> >>>> >> ------------------------------------------------------------------------ >> >> >> No virus found in this incoming message. >> Checked by AVG - www.avg.com Version: 9.0.791 / Virus >> Database: 271.1.1/2777 - Release Date: 03/29/10 02:32:00 >> >> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] 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:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Re: K3 power output on SSB
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In reply to this post by Don Wilhelm-4
Don:
For what it may be worth, I was in contact with Don, N4ZZ, the other day and he was complaining about a momentary, periodic drop in power output from the K-3 of approximately 50% while driving his amplifier. He was using the latest firmware version 3.79. He had not had that problem before. I had downloaded version 3.79 but have held off installing it until we see whether there is in fact a problem. I am using version 3.77 and the output is quite stable as it has been all along. I think I should mention I have seen one or two other references regarding similar problems from other posting as well. Although Don's problem is not exactly the same as Tom's it does mention unstable power output on sideband. Perhaps this warrants further investigation. Bruce-W8FU -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of Don Wilhelm Sent: Tuesday, March 30, 2010 8:34 AM To: Juha - oh6os Cc: [hidden email] Subject: Re: [Elecraft] K3 power output on SSB Juha, Tuning within any band will not reset the power output controls, however changing bands does reset it. As Joe has mentioned, do the power calibration, it will help. The power control mechanism does use the data obtained from the TX gain calibration, so yes they are related. 73, Don W3FPR Juha - oh6os wrote: > Not so good behavior on the contest, where is alltime tuning. > > juha - oh6os > > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] 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:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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I have a similar issue with my K3 VL-1000 combination the amp would key
up full power then fold back slowly until it was running about 1/2 output. No amount of reducing the mic or power settings changed this behavior and still have the right output. Even setting drive for lower amp output it still marched backwards something is triggering a fold back when it is not required to. I do not see any spike on key up so I don't think it is a key up timing issue. My work around is to not connect the radios ALC then engage the input attenuator on the amp that limits the drive input to 100 watts the amp and the K3 has been doing just fine since the born on date June 13 09, so I have forgotten about this issue all together. I don't use the VL-1000 all the time but when I do it works seamless with no ALC related problems at all. My K3 serial #3142 has the latest up date I can't remember if this issue was there from the first time I used the amp with the ALC connected or if it was something that started with a later update in firmware, I think it was ok at first because I was surprised when the issue first showed up. Regards Art ka9zap On 4/2/2010 2:36 PM, Bruce McLaughlin wrote: > Don: > > For what it may be worth, I was in contact with Don, N4ZZ, the other day and > he was complaining about a momentary, periodic drop in power output from the > K-3 of approximately 50% while driving his amplifier. He was using the > latest firmware version 3.79. He had not had that problem before. I had > downloaded version 3.79 but have held off installing it until we see whether > there is in fact a problem. I am using version 3.77 and the output is quite > stable as it has been all along. I think I should mention I have seen one > or two other references regarding similar problems from other posting as > well. Although Don's problem is not exactly the same as Tom's it does > mention unstable power output on sideband. Perhaps this warrants further > investigation. > > Bruce-W8FU > > -----Original Message----- > From: [hidden email] > [mailto:[hidden email]] On Behalf Of Don Wilhelm > Sent: Tuesday, March 30, 2010 8:34 AM > To: Juha - oh6os > Cc: [hidden email] > Subject: Re: [Elecraft] K3 power output on SSB > > Juha, > > Tuning within any band will not reset the power output controls, however > changing bands does reset it. > > As Joe has mentioned, do the power calibration, it will help. The power > control mechanism does use the data obtained from the TX gain > calibration, so yes they are related. > > 73, > Don W3FPR > > Juha - oh6os wrote: > >> Not so good behavior on the contest, where is alltime tuning. >> >> juha - oh6os >> >> >> >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > 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:[hidden email] > > 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:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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In reply to this post by Juha - oh6os
Joe
Tuner works just fine everything is just like a 100 / 200 watt Yaesu is driving the VL-1000 my Quadra is over ten years old and was built when Yaesu had the company it is the second version I want to say of the original released. I use the K3 [TUNE] button for tuning the tuner and band changing, I do not change the power level. I put the amp out put into a dummy load then use the [F-set] button and [TUNE] on the K3 the amp will change bands using this method with anything over 50 watts or so. One of these days I will do up a band data cable for the band selection of the Quadra. The Quadra has worked flawless from day one.The switching power supply has been on all these years with out a hitch. I hear the maintenance feature exercising the relays in the middle of the night regularly. Regards Art ka9zap On 4/2/2010 6:08 PM, Joe Subich, W4TV wrote: > Art, > > >> My work around is to not connect the radios ALC then engage the >> input attenuator on the amp that limits the drive input to 100 >> watts the amp and the K3 has been doing just fine since the >> born on date June 13 09, so I have forgotten about this issue >> all together. >> > Do you have enough drive to operate the tuner with the attenuator > on or have you tried it in that configuration? > > I have a pair of Quadras waiting to be mated with my pair of K3s > once I get done with some antenna work and shack cleaning. > > 73, > > ... Joe, W4TV > > > > > >> -----Original Message----- >> From: [hidden email] >> [mailto:[hidden email]] On Behalf Of Arthur >> Nienhouse >> Sent: Friday, April 02, 2010 6:05 PM >> To: Elecraft post >> Subject: Re: [Elecraft] K3 power output on SSB >> >> >> I have a similar issue with my K3 VL-1000 combination the >> amp would key >> up full power then fold back slowly until it was running >> about 1/2 output. No amount of reducing the mic or power >> settings changed this behavior >> and still have the right output. Even setting drive for lower >> amp output it still marched backwards something is triggering >> a fold back when it >> is not required to. I do not see any spike on key up so I >> don't think it >> is a >> key up timing issue. >> >> My work around is to not connect the radios ALC then engage the input >> attenuator on the amp that limits the drive input to 100 >> watts the amp >> and the K3 has been doing just fine since the born on date >> June 13 09, >> so I have forgotten about this issue all together. >> I don't use the VL-1000 all the time but when I do it works seamless >> with no ALC related problems at all. >> >> My K3 serial #3142 has the latest up date I can't remember if >> this issue >> was there from the first time I used the amp with the ALC >> connected or if it was something that started with a later >> update in firmware, I think >> it was ok at first because I was surprised when the issue >> first showed up. >> >> Regards >> Art >> ka9zap >> >> >> On 4/2/2010 2:36 PM, Bruce McLaughlin wrote: >> >>> Don: >>> >>> For what it may be worth, I was in contact with Don, N4ZZ, >>> >> the other >> >>> day and he was complaining about a momentary, periodic drop >>> >> in power >> >>> output from the K-3 of approximately 50% while driving his >>> >> amplifier. >> >>> He was using the latest firmware version 3.79. He had not had that >>> problem before. I had downloaded version 3.79 but have held off >>> installing it until we see whether there is in fact a >>> >> problem. I am >> >>> using version 3.77 and the output is quite stable as it has >>> >> been all >> >>> along. I think I should mention I have seen one or two other >>> references regarding similar problems from other posting as well. >>> Although Don's problem is not exactly the same as Tom's it does >>> mention unstable power output on sideband. Perhaps this warrants >>> further investigation. >>> >>> Bruce-W8FU >>> >>> -----Original Message----- >>> From: [hidden email] >>> [mailto:[hidden email]] On Behalf Of Don Wilhelm >>> Sent: Tuesday, March 30, 2010 8:34 AM >>> To: Juha - oh6os >>> Cc: [hidden email] >>> Subject: Re: [Elecraft] K3 power output on SSB >>> >>> Juha, >>> >>> Tuning within any band will not reset the power output controls, >>> however changing bands does reset it. >>> >>> As Joe has mentioned, do the power calibration, it will help. The >>> power control mechanism does use the data obtained from the TX gain >>> calibration, so yes they are related. >>> >>> 73, >>> Don W3FPR >>> >>> Juha - oh6os wrote: >>> >>> >>>> Not so good behavior on the contest, where is alltime tuning. >>>> >>>> juha - oh6os >>>> >>>> >>>> >>>> >>>> >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[hidden email] >>> >>> 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:[hidden email] >>> >>> 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:[hidden email] >> >> 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:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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