开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育
  1. BITX20
  2. Messages
Single Messages Topics Expanded Polls

Re: sBitx v3 stopped producing RF output after long FT8 operation #power #rf #sBITX_v3

 

In case of shorted MOSFET, wouldn't it impair the reception?

In fact, indeed it may be a solder problem, because once I have lost power and stopped using my sBitx.?
Next day I switched it one again, and the normal operation returned.
This time the normal operation was not reestablished even after long cooling of the rig.

Well, I have to disassemble the device, check MOSFETs and the solder.
Anyway, adding a fan for active cooling of the heatsink seems to be a reasonable extension for longer operation in digital modes.

73,
Wojtek SP5DAA
Join [email protected] to automatically receive all group messages.