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I said Wrong It's better than that. Power is proportional to voltage squared, and we're reading peak RF voltage. With a maximum measurable voltage of 50 volts peak, that's? 50 * 0.707 = 35.35 volts

I can't, but my phone can https://play.google.com/store/apps/details?id=com.keuwl.functiongenerator ? -- www.bitxmap.com ( http://www.bitxmap.com )

I have a Chinese copy of the old B&W folded dipole and have only used it on 2 ocassions, Kees. I saw considerable losses when compared to a G5RV that we used as a comparison at the same campsite,

Arthur, Your kit is probably the uBitx, sometimes called the mBitx: ? ?http://www.hfsignals.com/index.php/ubitx/ ?? But it could be the Bitx40: ? ??http://www.hfsignals.com/index.php/bitx40/

Noise level was at least 10 over on the B40, based on how much signal I had to push thru from the service monitor. It was both radiated and conducted. Vince. -- Michigan VHF Corp.

Hoping all u digital gurus can help.? I'm wanting to use ft8 on my unit.? I never have used digital except some packet early in life. I know there is an USB port on the radruino board. I know I can

ah Thank you Marco, I will make sure I have that library installed. that may be the reason I keep getting compile errors for the original code.? -Justin N2TOH

Here's a description of the hardware involved: ? ??/g/BITX20/message/47634

thanks, Jerry and Jack;? yes I am new to the Arduino?world? That eluded me due to I don't?have the ubit_20 kit? I have the BITX Transceiver from HF signals with Raduino?circuit with uBITX's

Problem with the two Nano readings goes away if you tune up the antenna in CW mode. Or whistle into the mike, assuming you can whistle a pure single frequency note. It might sort of work well enough

Kees, I guess it works. Depends on what "works" means. And depends on what "AGC" means. I assume we're talking about this AGC:??https://ubitx.net/tag/nd6t/ and not this one from the discussion the

Vince, I figure they would be noisy but just how noisy and can they be shielded sufficiently ? Series RF beads/chokes, etc ? Or take a real low tech approach and drive "3?" red LEDs depending on

Onward and upward to another problem! My mic pre-amp is not working. The voltages seem to be all screwed up. Attached is a png showing the pre-amp schematic and the DC voltages I measure. There is way

How come we now have TWO? ?SWR topics ? 73 Kees K5BCQ

That's a fact (easier) and I much appreciate offers to write firmware, Jerry. The only thing Don, ND6T, changed in his Noise Bridge test was to make the frequency 10KHz per step, so you can really

Those displays are extremely noisy. Vince. -- Michigan VHF Corp. http://www.nobucks.net/ http://www.CDupe.com/ http://www.metalworkingfun.com

What if you take the little AGC Mini-kit and drive one of those $1 three digit LED voltage readout displays they have on eBay and display the voltage. You would have to separate the power leads to the

Great video.? I once heard of a ham that could not speak because of surgery and he tapped morse code on his wife's hand "pain very bad" so she cold tell the doctors. -- ????? Lee - N9LO ????

Kees, Now that you are all set on the noise bridge scheme, allow me to thrown in a monkey wrench. That MCP3221 12 bit ADC is cheap and would work great for reading an AD8307. The trick is triggering

Not quite BitX related, but here's an interesting application of morse code: https://www.youtube.com/watch?v=Oc_QMQ4QHcw 73 Allard PE1NWL