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Win7 + QDXv2 not recognised 17 messages
#troubleshooting
#qdx
#w7
Chris, I see no pictures. I do not know what you mean. So WSJT-X is showing signals? Then you must have the audio setup correctly. If you get rig control errors then it is something to do with the COM
Chris, I see no pictures. I do not know what you mean. So WSJT-X is showing signals? Then you must have the audio setup correctly. If you get rig control errors then it is something to do with the COM
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Alan G4ZFQ
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Amazon Prime Day 16 messages
#troubleshooting
I received my Mini-Key today and it looks pretty good but could stand some improvements such as adding gold contacts from an old relay and tightening up the adjustments. If you look around on Amazon,
I received my Mini-Key today and it looks pretty good but could stand some improvements such as adding gold contacts from an old relay and tightening up the adjustments. If you look around on Amazon,
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Kees T
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QDX low power output - where to start troubleshooting? 23 messages
#qdx
#troubleshooting
https://groups.io/g/QRPLabs/message/88509
https://groups.io/g/QRPLabs/message/88509
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By
Alan G4ZFQ
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Capacitor issue question 16 messages
#40m
#qcx40
#troubleshooting
Ages ago, I built an RF probe into a pen housing. It worked fine, was generally used for relative readings. Once I obtained a good quality oscilloscope, I realized the scope could serve as an rf probe
Ages ago, I built an RF probe into a pen housing. It worked fine, was generally used for relative readings. Once I obtained a good quality oscilloscope, I realized the scope could serve as an rf probe
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Mark
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QCX+ 40m not xmitting. Please check my findings and give me an opinion. 7 messages
#40m
#alignment
#problem
#troubleshoot
#troubleshooting
HUH?? Caps don't have any kind of henrys. They have farads. If you are trying to read RF power at the PA drains, using the built-in meter, you are not reading RF power. If you look at the schematic of
HUH?? Caps don't have any kind of henrys. They have farads. If you are trying to read RF power at the PA drains, using the built-in meter, you are not reading RF power. If you look at the schematic of
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James Daldry W4JED
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No power on xmit 2 messages
#40m
#troubleshooting
#troubleshoot
QCX
By
kf7rcm@yahoo.com
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QCX+ 40M square wave on IC7 pin 1 8 messages
#qcxp40
#troubleshooting
Hans made a very good video on tuning the LPF stage after the build is finished. Start with L3 and open out or squeeze turns together until the output power comes up (You may need to remove 1 or 2 tur
Hans made a very good video on tuning the LPF stage after the build is finished. Start with L3 and open out or squeeze turns together until the output power comes up (You may need to remove 1 or 2 tur
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R. Tyson
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Did I ruin my U4B? 15 messages
#u4b
#troubleshooting
YAY! It's fixed!!! I have an update on my U4B. It is fixed and working again. I had two issues. The first to appear was that the micro usb port was flakey - pretty much from the start. I attempted to
YAY! It's fixed!!! I have an update on my U4B. It is fixed and working again. I had two issues. The first to appear was that the micro usb port was flakey - pretty much from the start. I attempted to
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tony.volpe.1951@...
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Help reclaiming the magic smoke that came out of my 50W PA 4 messages
#help
#magicsmoke
#troubleshooting
My amps were nowhere near 93mA and as mentioned in the instructions your amp may be different... so there doesn't seem to be an ideal value and I think it will vary according to the IRF510's fitted in
My amps were nowhere near 93mA and as mentioned in the instructions your amp may be different... so there doesn't seem to be an ideal value and I think it will vary according to the IRF510's fitted in
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R. Tyson
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QCX+ 40m Build Stuck at Step 1 after Power On 32 messages
#troubleshooting
#qcx
The above worked better for me. I have severe astigmatism and normal magnifiers did not do well with the differences between my left and right eyes. I must wear my prescription glasses at all times. T
The above worked better for me. I have severe astigmatism and normal magnifiers did not do well with the differences between my left and right eyes. I must wear my prescription glasses at all times. T
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Mark
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Inexpensive oscilliscope
#alignment
#troubleshooting
#qcx
#qdx
Some folks have posted an interest in a low cost oscilliscope for troubleshooting, this one looks like a lot of bang for the buck for under $200 YEAPOOK ADS1014D 2 in 1 Digital Oscilloscope DDS Signal
Some folks have posted an interest in a low cost oscilliscope for troubleshooting, this one looks like a lot of bang for the buck for under $200 YEAPOOK ADS1014D 2 in 1 Digital Oscilloscope DDS Signal
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Mark
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50W Amp for QCX-series 2 messages
#troubleshooting
Don't have the PA you constructed, but do have the HL2. I understand that the PTT of the QRPLabs PA needs +5V in order to get it running. The HL2 PTT only provides a "switch". From HL2 wiki page=> EXT
Don't have the PA you constructed, but do have the HL2. I understand that the PTT of the QRPLabs PA needs +5V in order to get it running. The HL2 PTT only provides a "switch". From HL2 wiki page=> EXT
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By
...
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QCXmini (20 m) building, troubleshooting, and CW reception. 3 messages
#building
#troubleshooting
#qcxmini
Yep, Tom, the rule "be concentrated during the WHOLE building process" looks simple (and reiterated in the manual several times), but we are all human beings. :-) de Alex.
Yep, Tom, the rule "be concentrated during the WHOLE building process" looks simple (and reiterated in the manual several times), but we are all human beings. :-) de Alex.
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Alexander Korotkevich
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Damage to c14
#20m
#qcxmini
#qcx20mini
#troubleshoot
#troubleshooting
For intro please see my other post here: https://groups.io/g/QRPLabs/topic/88250303?p=%2C%2C%2C20%2C0%2C0%2C0%3A%3ACreated%2C%2C%2320m%2C20%2C2%2C0%2C88250303%2Cct%3D1&ct=1 I'm looking into my radio n
For intro please see my other post here: https://groups.io/g/QRPLabs/topic/88250303?p=%2C%2C%2C20%2C0%2C0%2C0%3A%3ACreated%2C%2C%2320m%2C20%2C2%2C0%2C88250303%2Cct%3D1&ct=1 I'm looking into my radio n
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By
Vance.Langer@...
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LPF kit
#troubleshooting
I am looking at a good output from the signal generator on the 60m band. No other band works. I noticed that the rf pathway above 60m is a separate input through the relay board straight through to th
I am looking at a good output from the signal generator on the 60m band. No other band works. I noticed that the rf pathway above 60m is a separate input through the relay board straight through to th
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Syd
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QDX that cannot hear very well. 3 messages
#qdx
#troubleshooting
What PC software you are using: rPI QDX firmware version you are running: 1_02 Whether you built the QDX for 12V operation (output transformer 3:2) or for 9V operation (output transformer 3:3). Built
What PC software you are using: rPI QDX firmware version you are running: 1_02 Whether you built the QDX for 12V operation (output transformer 3:2) or for 9V operation (output transformer 3:3). Built
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wayne.r.michael@...
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QRP-Labs AGC Module installed in QCX-Mini 20m 2 messages
#qcxmini
#mods
#tcxo
#troubleshooting
#agc
I installed an AGC in my Rev 2 40m QCX mini last night and had the same short causing dit transmission. In my case it was a short between LCD_D6 and the plated screw hole. I also noticed that in Rev 1
I installed an AGC in my Rev 2 40m QCX mini last night and had the same short causing dit transmission. In my case it was a short between LCD_D6 and the plated screw hole. I also noticed that in Rev 1
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By
Jonathan Burchmore
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ProgRock CLK0 problem
#troubleshooting
In my ProgRock I want to set up frequencies without the synthesizer IC in circuit, so I removed it. Then pushed the button down and powered the ProgRock. The manual says that this is the way to get ar
In my ProgRock I want to set up frequencies without the synthesizer IC in circuit, so I removed it. Then pushed the button down and powered the ProgRock. The manual says that this is the way to get ar
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Syd
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QCX Mini Deaf 4 messages
#10W_PA
#rcvr
#troubleshooting
Last post didn't. All working...did a realign and all good..
Last post didn't. All working...did a realign and all good..
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Vince Loschiavo
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QCX mini Rev 2 - short in the 5V rail 6 messages
#troubleshooting
Hey, thanks! I found the short meanwhile. It was a tricky one under the controls connector (so very close to the regulator) and totally my fault. I did not check the connector before soldering and the
Hey, thanks! I found the short meanwhile. It was a tricky one under the controls connector (so very close to the regulator) and totally my fault. I did not check the connector before soldering and the
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By
martin.sivak
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