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The problem with your argument is this: "Whatever the market will bear!" If the radio starts using the new processor, it won't be long before there is pressure to make all of the radios use the new

Actually the sbitx comes with Pi 4 2GB which is currently $45 list price, Pi Zero 2W with headers is $21, so switching would save $21. If you can get headers cheaply and do your own soldering, you

I get where you are going, but it's not as simple as that, IMO. We might as well ask: why pay attention to cars at all, when all you should want is a faster horse?? Horses can eat the local grasse

Today I was peacefully radioing in ft8 mode on 21 MHz when the image below appeared on my screen. Since I had done the same thing 10 minutes before, only then another station called at the same time,

Oh, I forgot to add that during TX I can correctly hear the signal through the speaker (CW and FT8), if that can be helpful to the diagnosis. L.

Ashhar, I was thinking about checking the signal "AUDIO-MOD" coming out from the WM8731 and following its path through Q6. What do you think? If I understand correctly, all the signals are generated

Thanks, but no on the V.6 as I don't really want to have to adapt the monitor scheme.?? I appreciate the offer. -ted

I have a version 6 board I need to sell, could that work for your project?? No issues with the board, just lost interest.? ?I paid 180.00 for it.? I have some speakers and an audio output module

Hi Ashhar, yes, I have an oscilloscope, I can do tests. thanks! Lorenzo

Lorenzo, The tx current is stuck at 1.2A, this means there is no modulation. Do you have an oscilloscope handy? icloud.com@groups.io> wrote:

"If the DAC is programmed to receive 32 bit data, then it strips the LSBs" p.38, so not only the samples in, but the samples out (tx/speaker) should also have LSB packed with zeros. Cheers, Rafael

Thanks for the datasheet Gordon! Ha! I think I got it. surprise surprise... the lower significant 8 bits are always 0... so, reading the datasheet - it is indeed padding. There is a table in page 39

This makes things even more strange of how data is packed. I'm getting samples, for example , 236775168, which is way more than 2^24. May be the data is shifted 8 bits to MSB? I'm dividing the samples

Hi Gyula, thanks for your message! I already checked those diodes and they are good. I think the problem is that there is no modulation, actually. Thanks! Lorenzo IU5RDU

Hi Dave, Those terminal functions are just not used when you use directly the C library, but there are standard terminal calls, I don't see no harm. Csdr, by HA7ILM is pretty well written in C code

ps.: if you have the opportunity, use the device from a current-limiting power supply so that it has a long life. I had to replace the D27 and D28, and then managed to destroy the original IRFZ24Ns,

Lorenzo, I'm just guessing the cause of the problem because I can't do it to see and measure it. Please remove the pcb from the housing (so that the housing is not damaged during soldering). There are

I used this small PCB in my 6 mtr bitx, the settings I used are likely in the video: https://youtu.be/jP5sGiyjWzc Chris PA3CRX

Hi Ashhar, I checked and even at 100 I got no output. I attach a screenshot. Thank you! Lorenzo

There emitter follower's base can directly couple to the original's collector. - f