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I think audio is hardware I will check Daudio out on Tweensy to see if signal is there, if so then it is U5. I reloaded Jack's beta and it has working S meter and I see signal in filter window. I can

Interesting. I've got that software running on my V12 - working S meter and also audio out. - Jerry, KF6VB

I have my T41 in pieces right now as I'm putting in a new LPF board and will be moving it to a new case. It will be tomorrow or the next day before I can check this. Jack, W8TEE

In Jacks Beta the S meter was working, this version the S meter is not , don't see a signal in filter window either. Tim

Loaded fine Jerry Only issue now is I have no audio out, seems to be a hardware issue on my Main Board. Tim

You can, its just not obvious in the IDE… but you can always load HEX code directly Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal

It's a hex file. You should be able to upchuck it with the Teensy programmer. It ( the programmer) has an "Open hex file" function in its command bar at the top. I sent it to you so you could just see

Jerry That is a raw dump, I think, couldn't load in arduino progrmmer Tim

This looks interesting ( https://www.edn.com/fundamentals-of-i3c-interface-communication/ ) ! Wonder how soon we'll see devices that can handle it? -- John P. WA2FZW

TNX Jerry I will compile and let you know. I got my head around using Arduino programmer again. Tend to for get if I sleep to many times Hi, 78 here. Tim

Yes RX cal works fine Will there be an option for different PB configurations? My front panel designations are different than yours. Tnx for all the help, Tim

These look right, now. There's still a few things left for us to fix, but we're close. Jack, W8TEE

With smallest LTO emory Usage on Teensy 4.1: FLASH: code:206376, data:127280, headers:8356 ? free for files:7784452 RAM1: variables:178560, code:195720, padding:888 ? free for local variables:149120

That's the right file. Did you optimize for smallest code with LTO? And you are using IDE 2.4.3? Jack, W8TEE

Apparently I've missed the write-up on the V12 receive calibration that Tim is referring to. Any chance that someone can point me to where I can find it as well as the latest software version that he

Yes Pure Signal is open. Go take a look at Thetis for the Anan or Hermes/Hermes Lite radio. My simplistic thinking is that it works a bit like noise cancelling headphones, except the thing cancelled

There is a short introduction to predistortion in Experimental Methods in RF Design Section 10.? But, you do need to apply predistortion in both amplitude and phase.? DSP is the way to that. And

Says STDVer64.ino But screen says 63-1-2 tim

Zip you sent says 64 but the display on screen says 63-1-2 I will try again Tim

The new attenuator/ 20W dummy load I made can be used as just a 40db tap on the RF line for feedback for something like this (besides the radio calibration). I don’t think it’s that difficult to