Sorry to interrupt the conversation.
I'm only interested in what power supply you use during operation and what you use to adjust the Bias.
Just so you know, I've had the sBitx v2 since April 2023 and only started using it in mid-November 2023.
Until then, I had a lot of external work and busyness.
At first, I had no output power because the D27 in the power measurement circuit was faulty and did not give good data for operation.
Then I managed to make several improvements in heat dissipation.
Since the device was initially powered by a battery, one of the output stage FETs smoked during a measurement.
I measured the FETs in advance for opening voltage and installed almost identical ones.
The Bias setting was 12.5V at 2.00 A I did it with current limitation.
I am currently using the v2 with a voltage of 12.5V and a current limit of 6.50A, and the FETs I replaced are working.
I am writing this as an encouragement that the device works well with proper use.
I am currently close to 10,000 QSOs and I use it on 3 bands (7-14-21MHz) with a vertical loop antenna mostly in digi modes.
I know that proper operation is in the details and I paid attention to where and what needs to be changed.
HA3HZ