30-80 module for the kx1
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I was told on the weekend by a guy who just built one, they they need
to change the toroids in the 3080 module, the present one lowers the KX1's power to 2W across the bands. Is this true? My kx1 comes tomorrow, with the 3080 backordered, and I don't mind, I'm sure Elecraft will come up with some new version that increases output across the bands hihi! 73 de Alex NS6Y _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
RE: 30-80 module for the kx1
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Alex NS6Y wrote:
to change the toroids in the 3080 module, the present one lowers the KX1's power to 2W across the bands. Is this true? My kx1 comes tomorrow, with the 3080 backordered, and I don't mind, I'm sure Elecraft will come up with some new version that increases output across the bands hihi! --------------------------------- Stand by. I think Wayne's away this weekend, but there is a solution in the works. All along a *few* KX1s have exhibited lower output, apparently due to normal manufacturing variations in the transistors. Gary at Elecraft support has helped owners make a few mods that corrected the problem on an individual basis. The KXB3080 seems to exacerbate this effect on some KX1s while others happily pump out full power. This problem didn't really become obvious until after the Field Test was completed. Several days ago Wayne went into Warp-Drive to evaluate the issue and validate a solution for those who experience it. As of Friday I understand the fix was tested and ready to implement for those who need it so all KX1s will put out somewhere between 3 and 4 watts with a 14 VDC supply and 1 to 1.5 watts on the internal battery, including those equipped with the KXB3080. Look for more announcements to show up in the next couple of days. The bottom line is that your KX1 will meet the full specifications with or without the KXB30 or KXB3080 modules installed. Ron AC7AC _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
Re: 30-80 module for the kx1
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Some guy here. Yes, Lloyd K3ESE and I both experience this problem.
Before the 3080 board, mine put out 3.5W-4W on 13.8v. Afterwards, it's down to 2W. It didn't keep me from making a nice 80M contact which I reported here along with the problem. It's possible I've made a building mistake and the fix will just be clearer instructions for me to follow better. I'm confident that Wayne's fix will help when it comes out, but I suspect I'll be re-winding my LPF again. Leigh / WA5ZNU Ron D'Eau Claire wrote: > Alex NS6Y wrote: > > to change the toroids in the 3080 module, the present one lowers the > KX1's power to 2W across the bands. Is this true? My kx1 comes > tomorrow, with the 3080 backordered, and I don't mind, I'm sure > Elecraft will come up with some new version that increases output > across the bands hihi! > > --------------------------------- > > Stand by. I think Wayne's away this weekend, but there is a solution in the > works. > > All along a *few* KX1s have exhibited lower output, apparently due to normal > manufacturing variations in the transistors. Gary at Elecraft support has > helped owners make a few mods that corrected the problem on an individual > basis. > > The KXB3080 seems to exacerbate this effect on some KX1s while others > happily pump out full power. This problem didn't really become obvious until > after the Field Test was completed. Several days ago Wayne went into > Warp-Drive to evaluate the issue and validate a solution for those who > experience it. As of Friday I understand the fix was tested and ready to > implement for those who need it so all KX1s will put out somewhere between 3 > and 4 watts with a 14 VDC supply and 1 to 1.5 watts on the internal battery, > including those equipped with the KXB3080. > > Look for more announcements to show up in the next couple of days. The > bottom line is that your KX1 will meet the full specifications with or > without the KXB30 or KXB3080 modules installed. > > Ron AC7AC > > _______________________________________________ > Elecraft mailing list > Post to: [hidden email] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
RE: 30-80 module for the kx1
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Leigh, WA5ZNU:
Some guy here. Yes, Lloyd K3ESE and I both experience this problem. Before the 3080 board, mine put out 3.5W-4W on 13.8v. Afterwards, it's down to 2W. It didn't keep me from making a nice 80M contact which I reported here along with the problem. It's possible I've made a building mistake and the fix will just be clearer instructions for me to follow better. I'm confident that Wayne's fix will help when it comes out, but I suspect I'll be re-winding my LPF again. --------------------------------------- Don't take bets on rewinding those FL1 toroids. That isn't the fix. And it isn't anything you need to do differently in the KXB3080 installation. That's FB too, I'm sure. This is a whole different issue that has to do with normal variation in the gain of the transistors in the transmitter that is simply showing up in more rigs now that it covers a much winder range of frequencies. Sit tight. You'll hear more momentarily... Ron AC7AC _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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