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Thanks Evan, I have done all that.. and more..it seems that the issues is only related to the mic input.. but happens if on dummy load or 1:1 antenna, with various power supplies.. etc. The 2 tone

Hey Ashhar, Sorry I really clear. The tuner isn't for the transverter it is for my HF antenna. I know that you don't like tuners much and prefer resonate antennas as they are more efficient. I like to

Brad, We could do that. I kept it this way for another reason. I really wanted a future capability of full-duplex work. I am also interested in satellites and full duplex is a very important feature

People, The sBitx run of the developer's edition is now sold out. We have shipped more than 150 odd sets by now. The radio needed some upgrades and the switching regulator was upgraded to those who

Brad, I would also look at possible RF feedback.? You could try using a dummy load for the sBitx antenna and monitor on a radio in the shack.? If you have some snap-on ferrites, try those on the mic

Thanks Kc5wz. Yeah, it looks like the 2 tone test audio is not distorted nor is the ft8.. so probably just in the simple mic input amp area.. but that's just drive by debug.. as we used to say at

Thanks Farhan, I realized that from the schematic.. but was wondering if there are future releases of the pcb if that could be changed by adding a switch for rx/tx mode for the input to the code..

If you open the top cover, you can see the switching regulator tacked on the top.

My sBitx is scheduled for delivery tomorrow. It was originally scheduled for last Monday, but I put a vacation hold on the delivery. I see that there has been a hardware update. I think my order was

If I recall correctly, Fldigi uses an XML rig definition file for interfacing purposes.

Not sure of this at all. The sbitx uses plain text files. This is being generated from another program, me thinks.

Ramon, I think this is a possibility. There is a series on YouTube of using an ESP32 as an SDR modulator demodulator. I don’t have the link but if you search you should find it. Lots of maths and

Hello, I wonder if it would be possible to do the signal processing with an ESP32 micro. The idea would be to take the "AUDIO-DEMOD" signal and inject it with "AUDIO-MOD", replacing the Raspberry

I have this error on startup, see attached pic. How can I correct this?

You don't need the tuner with a transverter. Keep it bypassed. It is best to not use the tuner. - f [email protected]> wrote:

It is probable that your power supply voltage is dipping under load. Can you check the voltage as it shuts down?

So here is my conundrum. Got my sBITx, which I love, however I have ran into some problems. My finals blew. I had no issues under 10 watts, however when I increased my power to 10+ watts the sBITx

Hello Jim, We have never had any issue shipping to any address in the US. However DHL does not ship to a PO Box address. So you will have to give a street address and it will be delivered. However if

I have a problem that is similar and may be the same. Will be digging into this more later. Got an audio report that said it sounded distorted. The mic is the one that came in the uBitx v3 kit. Will

I’d call DHL’s customer support line and see if your address is recognized as a valid address.