26 septembrie 2021

Xiegu G90 Faults

 I will try to post here faults from various sources and how the problems were mitigated.

The post will be periodically updated. 

Last update: October 31, 2023

 

 7. Rx Front End and ATT section on 2.0.1 rev. Small Signal Board

While trying to help a fellow ham I annotate the PCB layout according to the known schematic released by the factory for a previous version.

I was convinced that they kept the High pass filter formed with L12/L13, C32/C37/C209/C210/C211 but those are not on the PCB!

 

Here is the PCB component layout, according to the known official schematic: