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Al and I wanted to avoid the issues Deiter faced when imitators started cloning his design but with little to no QA. He had an "Approved" list of vendors where they had to given them a unit for

a bit strange, as Dr. Bill says they (PTT In Mic IN) should be isolated. When I had PTT In tied to Mic In going to TRS jack PTT did not work. After remembering Ver 10 and Dr. Bill,s hint I ran Mic and

That's strange! I did the opposite! PTT in was tracked to J16 Mic_In - Ring and I cut the track. John, G0SDF

It works but there is a problem with that. It means the digital and audio grounds are now the same. Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner -

I put a jumper on the V12 Main board to add PTT to the microphone jack. I'm finding it handy.

I guess I'll answer my own question.? Looking back at SDTVer010.ino, we have the following copyright block: This comment block must appear in the load page (e.g., main() or setup()) in any source

Hi John- I'm not sure what is in V66.9.? I was using an unpublished branch of T41EEE.9. The branch is here: https://github.com/Greg-R/T41EEE/tree/imd_test_1 The test is in SSB Options.? The usual

Good work Greg! I would like to perform this test on my 25W Power Amplifier, does version 66.9 of the code have this IMD test? 73 John G0SDF

Oh BTW the 20W drives the 100W module to 110W with 8W. So its overkill for the 100W PA. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch –

Congratulations!

The amp itself (actually the first gain stage) is the limitation. That was done on purpose to make the amp bullet proof (short or open the output to the antenna and things are just fine). You CAN

You should be able to return them for a full refund. When you reorder, make sure the ad says that the book ad says it was publish on April 16, 2025. When they ask for the reason for the return, pick

I bought two paper copies of the "Revised Edition" books from amazon.ca, is it possible to get an updated copy for free? -- 74 John VA6kHz [email protected]> wrote:

What limits the current in this amplifier? Something on Bill's amp board or within the rest of the T41? -Nate N8BTR

after reloading (TNX for bug fix Oliver) and recalibrating first Q is in log. 7 w SSB 20M unsolicited nice audio report (cheap home made mic) onward and upward! TNX to all the contributors Tim W4YN

No question that configuring the audio state is an important function.? I've used this method before, usually for things I didn't want to convert into a library or when linker support was deficient

I'm using a different meaning of the word "special".? The code in the AudioSignal.h file is the software heart and lungs of the radio. -- 73 Greg KF5N

Verified Bug is gone TNX Tim W4YN

There isn't anything particularly special about this code.? It can be placed in its own cpp file along with a header file for the global externs and function prototypes.? That's what I've done.

Yep...we're on the same page. Jack, W8TEE