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I'm considering ways of reducing the white noise of the uBitX.? Perhaps it is my nostalgic quest to reproduce the audio of an old ARC5 direct conversion tube radio.? Remember the ARC5?? 10 KHz wide

Gary, I forgot to say that I hadn't delved into the TX process yet. Ramón

Hi Chris, At the moment, I was just trying to understand the software and filters, not modifying the hardware. That would be a second step. Thank you very much for your contribution. Saludos, Ramón

Hi Gary, I have not advanced because I have been busy for several days with family and health matters, but I am on it. You are right... and no, I mean. I was considering a useful audio band from 300Hz

Hi Ramón, Have you had a chance to test the software modifications?? I spent some time with it yesterday.? Seems to be off by the 300 Hz (Audio Low Freq). (which is what my computations also says,

On Wed, 16 Mar 2022, 2:31 pm Gerard, <kabupos@...> wrote: > Hello, > > i received this private message: > > Dear friend, > May I request you to please forward > the Schmatic diagram of the RF

Hello, ? Thank you all for the valuable advice. ? 73 by JPaul F4FIY

Rolan is correct, you need to connect the output of the PC to the mic tip input and isolate the ring. Sorry for any prior confusion. 73 Evan AC9TU

Using WSJT-X software and just a USB cable, I was able to receive FT8.? But had to make a cable to connect between the microphone input on the uBITX and the headphone/mic jack on the notebook to

Hello I 've just test my new scratch build uBITX exciter, I found that the RX sensitivity is good compare to CB rig Superstar 2000 at 27.305 MHz. But it has the issue, the audio volume is not

F4FIY, You can use the USB port for CAT control.? You still need to connect the audio to the computer through the Speaker and Mic ports on the v6.? You also need to isolate the tip of the mic cable,

Hello, I purchased a uBITX V6. Can you tell me if it is possible to use the USB port as an interface for digital transmission (FT8). Thank you. 73 by F4FIY

It is the basic class A amplifier stage published in the ARRL handbook the last 30 years. I have build versions of this in the past with output powers up to 1 watt and 150Mhz. It is a very universal

Hello, i received this private message: Dear friend, May I request you to please forward the Schmatic diagram of the RF Preamplifier ? This is VU2UYC Balsun from KERALA, INDIA. Best of 73s. All

Yep, that's the one. wrote:

OK....I was thinking of this: http://www.arrl.org/files/file/QST/Homebrew%20Challenge/HBC%201%20Winner-WA2EUJ.pdf Tim A. King Jr. Amateur Radio Station AG4RZ

TAK 40 Transceiver from QST in 2008 http://www.arrl.org/files/file/QST/Homebrew%20Challenge/HBC%201%20Winner-WA2EUJ.pdf Ken, N2VIP

I am asking about the 40m rig. Barry

TAK-tenna 40 https://www.tak-tenna.com/ Ken, N2VIP

I thought the TAK 40 was a 40m transceiver..am I confused? Sounds like Ken is talking about an antenna. Tim A. King Jr. Amateur Radio Station AG4RZ