BFO


SO SIMPLE JUST TAKE A  WIRE FROM THE BFO OUTPUT . WRAP TWO TO THREE TURNS  AROUND A GOOD BC RADIO RECEIVER .  TUNE AT AMATEUR FREQUENCY  THE VARIABLE COIL CORE OR THE VARIABLE CAPACITOR .
THIS BFO INJECT FREQUENCY TO THE I.F. STAGE OF THE RECEIVER WOULD ENABLE YOU TO DETECT THE SSB AND CW .

 BUILT IT IN METALLIC BOX  .  FOR EASY TUNING YOU CAN MOUNT THE VARIABLE CAPACITOR   ROTATOR  AXIS OUT SIDE THE BOX USING SHIELDING  WIRE (COAX)
I USED DIFFERENT KINDS OF VARIABLE CAPACITORS (WITH GOOD RESULT) . ALL CAPACITORS  PULLED FROM CHEAP TRANSISTOR RADIO BUT .. THE MOST IMPORTANT FACTOR IN THIS PROJECT TO WORK IS THE KIND OF THE RADIO BEEN INJECTED BY THE BFO
REMEMBER BAND CAN BE DEAD. DON'T GIVE UP IF NO SOUND HEARD . TRY IT LATE AT NIGHT WHEN THE USELESS BC STATIONS ARE SHUT DOWN .

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73 DE ST2NH