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I think I figured out how Ashhar did it.? ?Will find out shortly if I'm right. Gordon KX4Z

Hi Evan, I appreciate the suggestion. That's the first process I tried to follow first.? It looks like the increment jumps by a value of 1750 for each "click" of the dial.? I've scanned the range of

Good morning, I’ve just ordered an sBitx v2 board ( without case, rPi4 and screen ) as I was hoping to design a case with space for internal batteries and/or manual ATU. As the design is open, I

*Excellent work, Jack.? ?Thank you for doing this.* The IRFZ24N datasheet from Infineon indicates a thermal resistance from junction to case of 3.3 degrees C/watt? This is a MAXIMUM value; perhaps

very interesting guys.

This is a plot of the sBitx IRFZ24N PA finals and heat sink at about 30 watts to a dummy load, continuous CW for about 500 seconds. The key was down for 300 seconds, after which it was unseated and on

To all, times as a hint. If you want to order a sbitx v2, you might want to read the technical description of the sbitx v1. There is a lot of duper explained there. For example the 25khz limit. I'm

An alle, mal als Hinweis. Wenn Sie ein sbitx v2 bestellen m?chten, lesen Sie vielleicht die technische Beschreibung des sbitx v1. Dort wird viel Duper erkl?rt. Zum Beispiel die 25-kHz-Grenze. Ich

This is probably the case with others. Until you need to fix or adjust something yourself, you can read about these things. You feel that yes, it is useful and I will save it. When it is needed, the

Hi Greg, With the original software, you can follow this video by Ashhar Farhan: https://www.youtube.com/watch?v=t6LGXhS4_O8 You need to do all three major steps: 1 - Adjust the BFO to pass the

Aaron, If you can not calibrate the touch screen, there is a hardware issue with the screen or the connection to the Nano.? Remove and visually inspect all the Nano pins and the traces to the screen

Things I would like to see: Audio peaking filter for CW Tune button temporarily sets mode CW and drive low for antenna tuning Row of buttons for quick tuning step selection Drop screen tuning circle

FOUND a part of it. inside the function *void set_lpf40mhz(int_frequency),* there are commands to turn off all the relays and then turn one of them back on again. This function is apparently being

Be sure you don't have split enabled.??????????? N3SB

Gordon - did you do something unusual or different to put together the build environment? I'm asking because the RPI4 pin functions on the sbitx schematic don't match the functions that the RPI

There is something I don't understand. I hear RELAYS clattering now that I never heard before, before and after every character. I changed the /cwdelay back to 100 msec These relays never caused

Also - with your rebuild of the sbitx application - did you remember to set a lower value of cwdelay to suit your desired breakin behavior? 73; Steve, N3SB

Gordon - if you installed the solid-state TR relay mod kit such that the white coax is connected to the fat PCB trace that runs from the PA section, next to the lowpass filter relays, then you are

I've installed a new Nano so I can load the N8ME software without impacting the original build and I am having a hard time getting the frequency to calibrate.? I've tried with the original uBITX

To be certain I wasn't missing a end-transient, I reshot the 80 meter photo with the horizontal sweep at the same speed as Farhan had (5 usec per major division) -- and you still see nothing on the