Homebrew pre selector www.st2nh.com
another preselection
homebrew bitx bi directional if amp
homebrew pcb for bitx20
homebrew mixer
homebrew audio amp
homebrew vfo
bitx kit sorted and ready for assebling
fresh board and ready hot soilder
bixt 20 kit at early stage
all components on board
testing bench
on air testing
air view
Another air view notic the variable cap replaced the oraginal plastic vc
the mike is a cheap PC mike.
10 watts in small box ,compare the size to the pen
ready for dx ,I worked 30 stations on the first day
bitx20 in a homemade box with big fan on top to cool the final rf amp transistors
led diodes for power ,TX and RX