Re: #QMX Rev4 v27, kit just built not working
#qmx
Greg's point is good.? It could be a failed PCM1804, or some soldering bridge issue shorting one of its bypass caps, or a broken L402 which would not let the PCM1804 get VDD power.
I would also check
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Stan Dye
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#130690
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Re: QCX Mini 10M LPF Toroids
Hi Bill. My 10 meter QCX Mini seems to be peaked with:
L1 = 10T
L2 = 13T
L3 = 9T
L4 = 8 T
T1 = 14/3/3/3
With these I get about 2 watts output and Level 8 on the BPF filter
alignment at mid range on
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Ronald Taylor
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#130689
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Re: QMX: What a great radio and fun build!
Also checking in to say that everything about my QMX mini midband went smoothly. I took my time and now I want another one just for the fun of the build. All my 73s go to Hans!
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James N7CQ
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#130688
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Re: QCX Mini 10M LPF Toroids
Thank you, Hans.
Meanwhile, would anyone who has had success with the 10 Meter QCX Mini mind sharing specific toriod turns used for best performance?
Many thanks,
Bill? W3WJ
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Bill Jobes
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#130687
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Re: New build, QMX+ Receiver Deaf on all Bands
I mean, I figured, but it seemed like a good idea to ask :-D
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Michael - WD0OM
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#130686
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Re: New build, QMX+ Receiver Deaf on all Bands
700 F! If C your radio might go up in flames!
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73, Dan? NM3A
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Daniel Walter
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#130685
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Re: JS8 mode in QRP Labs
Hi Hans,
Thank you for reading to the end of my message : )
And in hindsight I should have mentioned I can already use the QMX and my PC to do JS8, this is how I tested the APRS functionality and
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Warren vk3byd
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#130684
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Re: QMX: What a great radio and fun build!
Just to be clear: while I have had frustrations, and genuinely despair of getting my first QMX+ build up and fully functional...I am neither giving up on that build, nor on QRPLabs kits. I am a novice
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Michael - WD0OM
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#130683
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QCX challenge September 30th
I had the opportunity to take part in the challenge tonight. I tried to log onto Discord following the link on the QCX challenge but the whole site looks completely different and the link came up as
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John Pagett G4YTJ
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#130682
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Re: QMX: What a great radio and fun build!
I meant two QCX Minis previously :)
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Joe AI5DD
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#130681
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Re: QMX: What a great radio and fun build!
I too recently built a QMX-Mini Mid Band, I did it over a week in a section a night, checking double checking. It helped that I had built two QMX Minis previously (which I learned a lot from). Good
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Joe AI5DD
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#130680
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QMX: What a great radio and fun build!
So I just had to make this post because we mostly read here about the problems and issues some people are having with their builds.
My first real kit build in three or four decades.? I recently
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Stan Dye
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#130679
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Re: DHL
While FedEx does not have any update on my order placed last Friday :)
[email protected]> wrote:
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Saurabh N6RUN
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#130678
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Re: DHL
My experience as well.
[email protected]> wrote:
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Stan Dye
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#130677
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Re: New build, QMX+ Receiver Deaf on all Bands
700 F
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harleyleenuke
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#130676
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Re: New build, QMX+ Receiver Deaf on all Bands
Your transmitter section and powers look good.? It is normal to have some variation, and it is normal to have to 'play with' the LPF filters on the highest bands to get them to full power.? So for
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Stan Dye
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#130675
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Re: DHL
DHL is pretty good, I got my recent kit pretty fast to Oklahoma.
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Joe AI5DD
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#130674
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Re: New build, QMX+ Receiver Deaf on all Bands
Just to be clear, 700 F or C?
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Michael - WD0OM
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#130673
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Re: New build, QMX+ Receiver Deaf on all Bands
I have had the dead receiver problem after a build.? I solved it by reheating all the toroid joints with about 12 seconds of heat. running about 700 degress on my solder iron.? Just be careful doing
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harleyleenuke
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#130672
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Re: DHL
Great, Robert.
I ordered last saturday, shipping was today.
Hope to receive it in time for the weekend ;-)
--
https://www.dl3by.com ( https://www.dl3by.com/ )
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Stefan
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#130671
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