3 kW linear amplifier with four ART1K6 LDMOS fets

 

 Circuit boards of the RF part

  

 Drilling holes in copper plate

 Fets soldered in a cooling plate

 

 Two RF modules with a heatsink

 

 

 Each module is tested separately

 

 Four modules with cooling plates and combiner and divider

 

RF amplifier unit and power switches

 

20230127_181123.jpg

 Diplexer looks good!

 

 

 

 

9 kW 50 V three-phase power supply

 

Power connectors 

 

 Power switch

 

Control board

 

Arduino controller on board

 

TFT-touchscreen UI

 

 

TO BE CONTINUE....