(tr)uSDX Forum

Wow, what a mess. Appparently there are at least three variants of BS170 pinout on the market but all of them are called BS170. What a betrayal by the semiconductor manufacturers.

To DF6MZ:
Manuel's design calls for DSG. Edit2: Or maybe not, see the post below. Pin 3 is grounded.

My Chinese (tr)uSDX from a vendor approved by Manuel arrived a few days ago and I assembled it yesterday. I can therefore share this experience: ... - The transceiver now seems to transmit correctly even in LSB, but the receiver is completely unusable. The S level jumps up and down even up to S0 an...

Thank you Guido.
Another question: My chinese (tr)uSDX with the receiver not working correctly (description of the problem is here) sometimes shows "25" instead of the S-meter value. Does this number have any meaning and can I deduce anything from it?

I am using the automatic translator DeepL to translate this post, I hope it will be understandable :) . My Chinese (tr)uSDX from a vendor approved by Manuel arrived a few days ago and I assembled it yesterday. I can therefore share this experience: - I wrote my callsign to the seller in the order no...

Hello everyone! My (tr)uSDX of Chinese origin arrived with the firmware already installed. This means I didn't see the serial number of my rig. Is there any way to have the serial number displayed now? Or do I have to go through the whole bootloader upload process again to get the serial number? 73 ...