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Successfully built my first transceiver ever, the QMX, a few weeks ago. ?As a novice with electronics, it felt amazing to complete. ?I have tested it several times in the backyard, and everything

Any built for the (tr)uSDX will have the correct wiring.

Welcome to the world of SSB. Everything may be fine. Turn compression up to about 10 and you should see a bump up in output power. With SSB, many/most external wattmeters are not fast enough to catch

Do any of the commercially available hand microphones for existing QRP radios work with the new QMX SSB? Or perhaps pre-wired adapters for those mics already in the marketplace? Bill? W3WJ

Joe, this sounds to me like a problem related to the 5V SMPS board. Power off by itself could be a result from a broken D101. Which Rev. is your broken QMX? There was a known issue for one or two

Relays are even thicker. Plus group buy manager will solder female programming socket under the pcb which will make the package about 2mm thicker. So cheap envelope shipping for the ATU board is no

All of my old gaming headset adapters short the tip and ring, putting input mic audio on both.? So I can't use them for qmx.

Sometimes we all need someone else to shine a light into our rabbit-hole and help us back out. Stan KC7XE

I finally bit... Ordered some .3mm (28awg) colored copper craft wire from Etsy.? Shipping included, it was under $10 for 100 meters of wire.? On a per inch basis it is 4x more than a quarter pound

Interesting thought. Karl wrote: First just turn agc off and see if the nature of the issue changes. If you have the first parameter turned low, like S4 or so, it could be cranking your gain up so

Measuring again and seeing what the 10 volt rail does during transmit, I see that it drops to about 9.85 volts on the rail and 9.37 or so at the input to Q508. This gives something like 9x10^-7 amps

Just to see how far up my head has been during this 'cranial-rectal inversion' I did a continuity test C422 to R413/R416 which was, of course, successfull! Thank you, Stan, for being the lighthouse

What should the AGC settings be? -- 73 Karl KI4ZUQ

My QMX+ audio level seems much lower in SSB mode than in CW mode. -- 73, Dan - W2DLC

Dear Dan, Thanks for the quick reply.? The measurements are all at 12v.? I realise that it would be higher at lower voltage and did take that into account when using the 10 sense resistor.? I used

Hi Mario, That's good to know. Will look into it. Thanks for posting. Cheers. Mel. M0KMD

Greg, I got mine from Digikey.? In this case the shipping will be the worst part. 73 Dick W4PID

I noticed, as some others have, that the built in mic is picking up my voice and other sounds in the room while I am in the mic gain adjustment mode in the terminal. -- 73, Dan - W2DLC

Hi Hans, Thanks for providing the SSB update, even as beta firmware. Meanwhile, I have a problem with VFOs: - I set VFO A to 7020 kHz, shows VFO A - pressing VFO A/B switches it to 7027 kHz, shows

Check your AGC settings? M