G3TSO Homebrew

 Differential T Match ATU
 
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Motorola 140 Watt Amplifier 
     
 ATU Internal View
 
Motorola 140 W HF Amplifier 
  ATU Internal View
 
 LP Filter Board

 

 T -Match ATU

 

Balun inside ATU 

 Balun Transformer

 Multipurpose Balun

A universal matching transformer giving 1:1; 4:1 balanced and 9:1 unbalanced matches

 G3TSO MKIII 2 Band Transceiver

 

Miniature Transceivers for 160 or 80 Metres

Minature Transceivers