Portable QRP Multi-band CW TRX by DM3MAT

Orginal page DM3MAT@Github
See original assembly manual by DM3MAT

Attached a view pics of my own build.
 
 
Hotfixes explained in manual with 470pF cap against high-frequency ripple on the 5V rail and 4x diodes to save the mixer against saturation of the audio-chain ! 


  


Upper case with opening and cover for internal speaker

For leftover PCB´s see PCB swap meet

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