Re: QMX+ Broken Toroid Core
lol. ?I grabbed the gel/type superglue at HarborFreight. ?First time I¡¯d tried that. It was a bit blobby. ?I got rid of the excess with a toothpick. ?Let it cure while I was winding/installing
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Ed Meyer, WG5F
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#146047
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Re: QMX+ Broken Toroid Core
My two cents, from model ship building where lots of super glue is used - make sure your superglue is fresh. After about a year of sitting around, opened or unopened, it loses some of its adhesive
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PHILIP GRAITCER
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#146046
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Re: Solder pot for toroid leads
Agreed. I keep my odd bits of wire on the washing machine, at present. ;-) I keep several gauges of magnet wire on hand, but didn't have the exact size included in the kit so after screwing up one
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Lawrence KC6WOG
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#146045
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Re: QMX+ firmware feature request
My follow-on suggestion may get some pushback but I'll throw it out there... I'd like "Tune SWR" to be a *top level menu item,* or at least be optionally at the the top level, and the first item that
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VA3CJO - Chris "CJ"
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#146044
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Re: QMX 1n4007 diodes
Hans says the boards are specced for a 0.8mm drill size. With a 0.7mm lead that only leaves 0.1mm, or 4 thou in real units, for the through-hole plating (equivalent to just 2 thou on each side of the
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G0GNL
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#146043
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Re: QMX+ Broken Toroid Core
Wow, be sure to use plenty of glue! ;-) I use the water thin variety of c yanoacrylate glue for this sort of thing, you end up with virtually invisible repairs and it saturates all of the cracks. It's
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Lawrence KC6WOG
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#146042
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Re: Digikey order
Hi Eugene As Stan Dye wrote "Please search prior messages for TN0110." One disadvantage that such a search should show up, which I haven't seen mentioned in this thread, is that the TN0110 is
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G0GNL
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#146041
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Re: Introducing QMX CARROT
When developing the QMX Carrot, I was initially concerned about whether the internal 1500mAh LiPo battery was sufficiently dimensioned. After all, the amplifier for the speaker still needs power.
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Chris
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#146040
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Re: QMX+ Broken Toroid Core
Hopefully the HarborFreight superglue works!
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Ed Meyer, WG5F
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#146039
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Re: FDIM 2025 - Bringing SSB to the QMX (Hans's presentation)
Hi all I have just uploaded the 33-page PDF article which accompanied my FDIM seminar presentation. It provides some additional detail on the topics discussed in the talk. See
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Hans Summers
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#146038
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Re: QMX+ Broken Toroid Core
Ed, I believe you can stick it together with super glue if it¡¯s a clean break. The toroids are made from a suspension of ferrite material in epoxy resin. So gluing it shouldn¡¯t be a problem nor
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Stephen Farthing G0XAR JO92ON97
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#146037
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Re: QMX+ Broken Toroid Core
Not really a master...it's just that I've broken enough to know they can be superglued together! Jack, W8TEE
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jjpurdum
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#146036
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Re: QMX+ Broken Toroid Core
Yes, Jack... Just two big halves... that's a great solution from the Toroid Master! 72, -Ed, WG5F-
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Ed Meyer, WG5F
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#146035
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QDX Low Receive but Xmit fine
GM QDX¡¯ers. I was gifted a QDX still in kit form so I spent a day building it this week. Except for one band, 80M, I got between 4.8 and 5.4W output which is optimal. The cure for that was to just
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John Morris
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#146034
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Re: QMX+ Broken Toroid Core
KitsAndParts.com
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jjpurdum
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#146033
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Re: QMX+ Broken Toroid Core
If there are just two large pieces, you can superglue them back together and it should work fine. If there are multiple chunks, things get a little dicey. Jack, W8TEE
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jjpurdum
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#146032
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Re: Solder pot for toroid leads
I wanted a tool, but not something that would take up room on my small workbench. ?So I purchased a KNIPEX Tools - Coated-Wire Stripping Tweezers (1511120) from Amazon, which is more expensive than a
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Ron, N6YWU
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#146031
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Re: QMX+ Broken Toroid Core
Had all 24 turns of L512 wound and was trying to verify the turns count. ?Had it on a 3-D printed fixture and pressed down too firmly¡
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Ed Meyer, WG5F
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#146030
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QMX+ Broken Toroid Core
I'm in the midst of assembling my 2nd QMX+ and I just busted one of the Shiny Black T37-10 Toroid Cores...? DAGNABBIT!!!! So, where's the best place to by only one or two Toroid cores in the US? 73,
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Ed Meyer, WG5F
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#146029
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Re: QMX SWR measurement is not correct while using with PA
Correction:? You also need to know the phase difference between the voltage and current.? That's why you need two oscilloscope channels. <? then you have all the information you need to compute the
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Jerry Gaffke
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#146028
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