Thnks for the expanded explanation! Gordon

Hi, can you explain exactly what a development board is? “ design a development board into your project like the Raduino did.”

HOORAY FOR YOU!!!!!

Cut them apart and remove them one pin at a time

Evan is helping you out a lot here. Your measurement showed that transistor is not turned on. And possibly worse. I haven’t looked at the schematic but he’s leading you down a good path Long long ago

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I don't think the company prefers to give away its intellectual property however several folks (including me) have created pcb's that control the si5351 chip and include the raduino and could do that

I got the ARRL book by fed ex this morning. WOW! was THAT a good deal!!! I'm glad I took y'alls advice and bought this. Gordon

Great report. Try drawing a simple sliver of common paper between the contacts with very mild pressure and see if you move off some dirt. a bit of ARCING can create mechanical irregularities that can

What a good pick up. I would never have thought of that. And to recognize it from looking at a sweep plot is pretty slick

You can use a microphone with a preamp, or you can easily make a one transistor preamp, but be careful that you aren’t really overloading systems & creating more distortion in an effort to have more p

Well stated, Farhan

Maybe they are tired of it? Sheesh.....so much bickering.

As long as you don't smoke the radio, I'm not sure arguing over which is better is worth it; however, I'm surprised no one has mentioned the very slick p-channel enhancement mode MOSFET solutions.

Wow, that’s some great detective work!

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Yes, I would enjoy a WSPR topic also....gordon

Thanks for that comparison!

I ordered one from a US source

Very nice work ‘Bob!

RF interference?

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I've made plenty of digital contacts with basically the original sketch from HFsignals or else Allar'ds upgrade. There is little difference between one radio and another. You must be able to make basi

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