PSK31 with QMX + Digipan
Hi all, just some hints how to configure QMX and Digipan. QMX: - SSB Menue: Mic AGC ON; Input: USB; MIC Gain 50; Compression 0 USB Gain: Adjust for 50% power on idle PSK Signal. (I am using USB Gain
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Matthias Rauhut
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#145136
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Re: #qmx #Firmware release 1_02_000
#qmx
#firmware
I have the same issue All I can download is .009 John D Young WA8KNE EM90 ETC USN retired [email protected]> wrote:
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John Young
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#145135
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Re: New QMX+ Calibration victim
I have successfully replaced L101 using a hot air gun.? The solder terminals are on the bottom, so you can't do it with a soldering iron.? I used aluminum or kapton tape to secure all nearby
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Stan Dye
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#145134
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Re: Internal battery for QMX+
Thank you for this opportunity. Having my card showcased by QRP Labs in Dayton is a great honor for me. I hope more people start using it every day. Thank you for everything¡ªenjoy! Best regards,
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mnecatianky@...
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#145133
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Re: QMX receiver went deaf
Awesome. ?Thanks Dave. ?Will do this tonight. ?I hope to not be swapping IC¡¯s. ?It does get a signal if you throw a strong enough one into the antenna port. I forgot to mention that it did this
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Ryan Wesolowski
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#145132
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Re: Release of version 1.2 of ABS solution for QMX+ (Automatic internal antenna tuner, internal battery and internal speaker with audio amp)
#ABS
#ATU
#PSU
#QMXplus
Please add me to the list as well for a possible v2 set.
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Brian Hathaway
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#145131
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Re: QMX Won¡¯t turn on
Gary, The mic element needs to be electret type.? It will have a + terminal.? That + terminal should hook directly to the ring of the connector.? The - terminal should connect to the sleeve.? The
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Stan Dye
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#145130
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Re: QMX receiver went deaf
Check all the enamelled wire soldering. I had the same symptoms a month after a successful build. After re heating a suspicious joint, problem solved. I don¡¯t remember which toroid, maybe L401 Dave
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Ve3zzy@...
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#145129
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Re: QMX Won¡¯t turn on
Hello Gary. Some have bought mics from Eric Larson for the QMX/+. He does a nice job making a 3D printed case with a ptt button and a compatible ielectret element. He offers plenty of color options
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John Pokluda
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#145128
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Re: #QMX - dim backlight remains when backlight turned off
#qmx
You are seeing leakage current through Q301.? It is normal for this (or any) transistor to have a very small leakage current when off.? My backlight also remains dim (but very very dim) when off due
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Stan Dye
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#145127
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Re: Internal battery for QMX+
Yes, I will demo Necati's nice board for battery and speaker at my booth. 73 Hans G0UPL http://qrp-labs.com https://buymeacoffee.com/g0upl [email protected]> wrote:
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Hans Summers
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#145126
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Re: QMX Won¡¯t turn on
My computer skills aren't stellar so I apologize if this should be a new topic rather than a reply.? I am having difficulty understanding how to connect an external electret condenser mic to my
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OldEngineer
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#145125
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#QMX - dim backlight remains when backlight turned off
#qmx
I had posted about this in the past regarding my rev4 QMX ( /g/QRPLabs/message/127055 ) but I still haven't been able to resolve this issue. Essentially, when the backlight is turned
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Andrew KI7FXL
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#145124
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Re: Rev 1 vs. Rev 3 QMX Kit?
Hi Mike, all The SMPS step issue wasn't quite the same thing as the capacitor voltage ratings issue. The tantalum capacitors used were rated 6.3V. they shouldn't ever see more than 5V. Indeed there is
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Hans Summers
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#145123
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Re: QMX+ WSPR
Thanks Geoff I'm aware of this issue which needs investigation and resolution, thanks. It seems I shouldn't have much trouble reproducing it myself. It has been my priority for a very long time to get
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Hans Summers
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#145122
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Re: New QMX+ Calibration victim
Hi Ludwig, You¡¯re right, of course I meant G not S. Brain fart ? Good catch! Looking closely, it seems the enamel has melted on L101 and measuring with DMM shows 0.0 Ohm compared to 2.0 ohm on
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Jonas Sanamon
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#145121
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Re: CW with I/Q on
#audio
#QMXplus
FOUND IT!? Carol KP4MD provided detailed setup instructions here: /g/QRPLabs/topic/nap3_setup_for_panadapter_and/109744553 -- 72 de N4REE, Bob Easton - QRP CW forever
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N4REE - Bob
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#145120
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Re: QMX+ WSPR
Geoff, This feature is showing up also in JO11tm! 73, Roelof, pa0rdt
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Roelof Bakker
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#145119
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Michigan QRP Club Weekly Zoom Chat
Please join us Thursday, May 15 (and every Thursday) at 4PM Eastern for the Michigan QRP Club weekly QRP Chat where the main topics will be QRP and other ham interests. New hams are encouraged to
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Ed Kwik
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#145118
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Thanks to W1NC!
As I described in this post ( /g/QRPLabs/message/143535 ) , what started as a harmless part exchange resulted in a dead QMX, so I sent it off to Jeff, W1NC.? He not only fixed it, he
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Mike, KL7MJ
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#145117
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