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The ORIGINAL readings as in the first post. Band? ? ? Watts? ? ?SWR? ? ?Amps 160m? ? ?5.7? ? ? ? ? 1.08? ? ? 30.4 mA 80m? ? ? ?0.0? ? ? ? ? ?1.7? ? ? ?30.4 mA 60m?

Original prices: ATU $146 ,Talent $50, QMX+ complete $ 231. How about 30% off for everything

This is a direct conversion receiver with a 700 Hz offset. The local oscillator is 700 Hz (not 500 unless you have the offset set to 500) below the dial frequency so that the difference between the

Channel 1, output of signal generator read at center pin of amplifier input.? 4 volts peak to peak. Channel 2, gate of Q1. 3.56 V peak to peak. After "3 dB" attenuator and 1:1:1 transformer T1. 20

Good afternoon!? Just as the title says - when my QCX is powered on and hooked to an antenna my other radios are picking up a tone 500hz below the VFO of the QCX.? Can this be eliminated?? ?I did

Checking - is R3 bad or did I manage to blob solder across the leads using my Bernzomatic ? Check with Fluke 115 - 20.6 ohms.? But at DC, R3 is in parallel with R2, and the short primary of T1.

Thanks for the tips, guys, on desoldering options. If I ever find any bad SMD parts, I'm screwed I have no way of replacing components as small as the ones on the QMX+. Hopefully, it never comes to

Hi Nate It will work with -43 material. But I'd expect you to get a bit higher power output and higher efficiency with -61 material. Don't ask me how much is "a bit"... 73 Hans G0UPL

Hello group and especially Allison: Thanks for that detailed response . You observe "Everything I've read is inconsistent with a working unit. Especially the power out at ~13V."? This is the point of

Michael, I'm confused. But 0.055 A would be realy to little and 0.55 A to to much. Something around 0.12 A would be ok. Which kind / type of power supply did you use? For each band? I never saw this

Hi Allison, I'm referring to T1 in a QDX-M, the PA output transformer, which can be a BN43-202 or a BN61-202. I have a QDX-M already built for 10m that I'm going to convert to 6m. If the existing T1

Would you elaborate as to what kit T1 is in and its real designation? Can't find T1 in the QMX as they are all 3 digit numbers. as in T401, T501 and T507? -- Allison ------------------ Post online

Roelof, Pardon my ignorance, but under what circumstances is it necessary to use RIT while running in a contest? I never have thought I needed it. If too many are off frequency, I just open up the

Perhaps manually scrape insulation off the toroids? before re-solder; that stuff can be tenacious.

I have read every post I can find on this topic. Thank you Hans, Stan, Ludwig and others - your information has been very helpful. I am trying to pinpoint a Low power out or No power out problem and

Hi Roelof If the problem could be accurately described and there was agreement on how QMX should be changed, I can do that. But at the moment the various reports seem rather confusing. There doesn't

QMX+ was working, I was doing ft-8 but it suddenly shut down, now it is not opening, there is no short circuit

Sorry Hans, I must have been having a bad day, it wasn’t WSJT-x it was Putty and I had left it in terminal/ configuration mode (was swapping between the two) and was jabbing the menu button too

You wrote:? "why does the device not work? ...? device does not turn on." By device, I assume you mean that the QMX+ does not turn on. If so, read the section "QMX Switch on power" on this webpage

Martin, It looks like there is no easy fix for the N1MM RIT issue in RUN mode. If you must use RIT when running, you might consider using N1MM in S&P mode and use F11 fitted with the contents of F1 in