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Re: V4 TX problems and new finals
#ubitx-help
Don,
The initial post states that you were able to follow the bias adjustment procedure correct?? And that you were able to adjust the bias resistors to get 100 ma increase for each IRF510.? That should pretty much eliminate them, the bias and connections through to the PA power supply.?? You have checked the other driver transistors and they seem to checkout as well. At this point I would remove power from the rig Look at R97 and R98 to verify that they are not open.? Verify that TP7 is at ground to check the output coil on the output tranformere.? Then without any power, verify that there is continuity from TP7 to TP8, followed by applying power to ONLY the main board (Red wire) and not the PA (Brown wire).? Then select each band and verify connection from TP7 to TP8 with the key or PTT pressed.? This is to verify that all of the relays are working, and that the inductors are not open. That is the extent of what I can think of to test without an RF probe or oscilloscope. There are RF probes that can be made with a few components.? Check out this web link: Let us know if the continuity checks play out. 73 Evan AC9TU |
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Re: bitx v6 is here
Oh wow¡thanks Farhan! That¡¯s pretty useful information to have. I think that putting keypad control together will be useful still, especially for direct frequency entry, but glad to hear that all functions can still be activated without the touch screen. With morse output, it really could be used eyes-free. Great news, and I¡¯ll pass it on.
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Vy 73, Buddy Brannan, KB5ELV - Erie, PA Email: buddy@... Mobile: (814) 431-0962 On Dec 14, 2019, at 9:44 PM, Ashhar Farhan <farhanbox@...> wrote: |
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Re: V4 TX problems and new finals
#ubitx-help
Mark - N7EKU
Hmm,
A counterfeit could be 0V at its "gate" though. Did you ever track down the source of the new finals? 73 Mark |
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Re: Let's Minimize the Library problems.
Perhaps the biggest problem with STM32F103 Blue Pill development on the Arduino platform is there are two competing tool chains, the original "Paul Stoffregen" toolchain and the "official" STM32 tool chain endorsed by STM. I would prefer the official STM32 toolchain, but most Arduino Blue Pill projects seem to have been developed with the Paul Stoffregen version, so I use it.?
Another big issue I've found, for example with the graphics/touchscreen libraries, is several libraries such as the Adafruit graphic libraries need to work together with the lower level display module drivers for the TFT and touchscreen hardware.? Library writers upgrade and enhance their libraries and no regression tests are (or can be) done on other libraries compatibilities, especially the non-mainstream libraries like those for the Blue Pill. And writers of the STM32 libraries may not be maintaining their libraries anymore, so they don't get updated.? For what ever reason, the ESP32 toolchain developers have been doing a much better job in keeping their libraries updated to reflect changes in other libraries they are dependent on. In an example of trying to get a touchscreen display working on a Blue Pill, AdaFruit updated one of the screen attributes from one parameters to two. (I've forgotten which one, but they changed the X and Y parameters [possibility a dot size value] to be separately specified, rather than the X and Y values being equal.) There was no backwards compatibility so the STM32 touchscreen libraries no longer worked. The change was done in a way that adding simple wrappers, still required culling through the AdaFruit code to correct numerous instances in the code. (There were still other issues with the hardware assumptions around interrupts and SPI ports, that clashed in the latest libraries, but may not have in older libraries when the STM32 toolchains were first introduced, years earlier) Unlike the ESP32 toolchain, the STM32 toolchain(s) seemed to get off to a bad start, along with libraries breaking over time as other libraries are updated, generating confusion and trouble it so far has not recovered from. Then adding two toolchains to top the confusion off.? For many simpler projects, these issues are less troublesome and the Arduino platform is still simple fun to use. Finally, I don't bother with putting boot loaders on the Blue Pills. I either flash the program with the serial boot loader built into the chip, with a USB to serial adaptor, or use one of the inexpensive ST-Link adaptor clones from eBay. Although I might try the various boot loaders out at some future point. I can see for something like the uBitx installing a USB boot loader would be the best way to go for usability.? Whichever toolchain you use, as Jack pointed out, let people know where the actual source location of library you used can be found. ?As, many libraries have more than one version and authors. Tom, wb6b |
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Re: How to get rid of Local FM broadcast stations
#ubitx
I stripped all the paint from the connections to the chassis, and twisted the wires up a bit more. There is continuity between the coax ground and the other grounds. Any other ideas why its picking up these local stations?
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Re: Let's Minimize the Library problems.
Cory, jack, Great ideas. I am travelling and I will try implementing these. One of my key constraints is to keep things working with what others find easy to use. I would switch from Arduino to the Blue pill in a second except that programming it from Arduino or Platform I/O isn't so simple. You have burn in the boot loader that needs you to hook it up with a serail to usb cable, then switch over to usb programming. I just give this as an example. Platform io isn't as familiar to many as the horribly kuldgy Arduino IDE. I aleast wish they had implemented a goto line feature! 73, f On Sun 15 Dec, 2019, 2:16 AM Cory King, <cory@...> wrote: And sorry to double reply, ¡°good ide support¡± I mean something other than Arduino IDE.? VSCode or JetBrains CLion.? Both have much better syntax highlighting, auto-completion, git integration and oh so much more. |
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Re: bitx v6 is here
Buddy, All the user interface is usable without needing touch. If you tap on the tuning knob for a second, you can move the focus from one button to the next and then click in the button to select again. Each button has text associated with it that can be read out. I have taken care to see to it that all features are accessible with and without touch. For?example, the ability to enter a new frequency using the touch pad is replicated in fast tune where if you hold down the button while on one of the vfos , you can now quickly move across the bands in 50 khz steps. Jack, The function names are confusing as well..many variables are declared and not used any more. There is a large amount of code that is commented out as well. I have to clean that up, refactor reassemble. I will hopefully do this after Christmas. The graphics library should really be called just a user interface library. The ILI9341 uses a SPI interface where it can fill a rectangle with a 16-bit colour. I used this to draw vertical lines, horizontal lines and pixels. No other graphical primitives have been used. The text characters are plotted pixel by pixel. The entire graphics routines are less than 100 lines. An often reused routine is the drawText routine that draws text centered inside a rectangle with a border. That makes all the buttons trivial. Almost all the user interface is just buttons, very much inspired by the jackal. While tuning, i observed that only one digit if the frequency read out changes most of the time. So, the displayVFO routines figures which digits need to be repainted and updates only those. This routine is probably what makes the interface usable with the 8 bit power of the Arduino Nano. - f On Sun 15 Dec, 2019, 5:43 AM Buddy Brannan, <buddy@...> wrote: Ooh¡a thing that reads the screen in morse? That¡¯s half the battle toward eyes-free operation. The other half, of course, is some additional way to control besides the built-in touch screen interface, like a programmable keypad. Seems to me there were a couple of implementations of this floating around. Do please elaborate. |
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Re: bitx v6 is here
Ooh¡a thing that reads the screen in morse? That¡¯s half the battle toward eyes-free operation. The other half, of course, is some additional way to control besides the built-in touch screen interface, like a programmable keypad. Seems to me there were a couple of implementations of this floating around. Do please elaborate.
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Buddy Brannan, KB5ELV - Erie, PA Email: buddy@... Mobile: (814) 431-0962 On Dec 14, 2019, at 12:38 PM, Ashhar Farhan <farhanbox@...> wrote: |
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Re: Digital mode transmit via CAT but MIC-connector switches to Transmit directly - #cat #digital #v5 #ubitx-help - SOLVED
#digital
#v5
#ubitx-help
#cat
Solved by inserting the small PTT switch into the orange Raduino line. Now I can switch to Tx by PTT via CAT with or without plug in the mic jack. And can activate Tx via the little PTT switch manually when a plug is in the mic jack.
-- PE3ES - F4VTQ - Erwin 73 |
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Just had the same since yesterday. I installed the small PTT push button in the orange cable coming from Raduino board and going to the microphone key jack. Now th problem is over.
You can now do a CAT PTT with the CEC firmware (with or without a plug in the key jack) or a manual PTT when the plug is in the mic key jack. I have used JS8CALL and WSJT-x to test PTT. I have not transmitted so far. -- PE3ES - F4VTQ - Erwin 73 |
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Re: uBITX CW offset woes
You are very gracious.
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I think the real issue is that my other rigs know if you are in CW mode or in single side band mode, and so they can¡¯t offset the beat frequency oscillator appropriately The MicroBid X with Stock software does not know; if you push the mic button you are single side band if you push the key you are CW., and until you do that it doesn¡¯t know. By merely adding a way for it to know which technique (SSB vs cw) you prefer this could be solved. On Dec 14, 2019, at 09:34, Bill Cromwell <wrcromwell@...> wrote: |
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V Zecchinelli
Good Afternoon,
I don't know if this has already been discussed.? I found one message with same issues but no answers.? Could someone point me in the right direction? When I plug 3.5mm cable into PTT/Mic my V5 uBitx immediately goes into transmit.? I tried stereo cable, mono cable and even just a bare plug with no cable attached.? CAT works fine and so does audio but I can't get past the radio going into TX. Using Windows 10 on Acer PC,? WSJTX V2.12.? CEC V1.08. Thank you, Vince N1VIN |
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Re: Let's Minimize the Library problems.
Cory King
In my personal projects that use Arduino stuff (or in my case ESP32/8266) I have been using platform.io. ?In addition to really good IDE integration, it has a way to express library dependencies. ?
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Re: Sidebands reversed after Memory Manager Used
Bill, I had the same issue with SSB (LSB & USB getting inverted) with my scratch build. I don't like any software which does code changes magically, I like "Breaking the Magician's Code" maybe it just me. Don't get wrong the Memory Manager has it's own benefits, I would have taken a backup of the config before using the Memory Manager and doing any changes. I use the Memory manager to backup and restore my best tuned config and make another Arduino nano clone.
I think the best option will be to start with the CEC recommend factory reset and calibration process. 73 Anthony VU3JVX? |
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Re: Frequency calibration V5
Cory King
¡°Replacement frequency source¡±.
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Re: bitx v6 is here
> Respectfully, the on-board decoder on the K3 works well.? The decoder in the QCX CW transceiver works well too. Of course, nothing works as well as the human brain.? CW Skimmer probably does better than embedded decoders because an awful lot of dedicated effort has gone into that function alone and because it has a lot of PC computing power available to it that is not available in an embedded processing system.? 73 Hans G0UPL |
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Sidebands reversed after Memory Manager Used
Thanks to all who offered advice on how to get my uBITX to display transmit frequency on CW.? ?I went to Memory Manger and changed the settings.? Unfortunately this seems to have seriously messed up my software.?? I cleared the EEPROM, and loaded CEC version 1.20.? It looked good, but the sidebands were reversed -- I had to put 40 meters in USB to copy the sideband signals (which are on LSB).? I even tried to go back to 1.071.? But I have the same problem with the sidebands.? It is as if the BFO is being placed in the wrong spots.? Any suggestions on how to fix this?? It is not a hardware problem -- I had it working fine until I tried to make changes with Memory Manager.?? Thanks 73? Bill N2CQR |
N8DAH
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