1 2 3 4 D D AM Transmitter 1W Modulation Transformer +13.8 V Audio IN 10 nF RFC 15 uH C C 15 t 0.7 mm Cu T-50-2 100 nF 220 ohm 10 nF T-50-2 470 pF 470 pF 36t 4t 39 ohm 2N2219 0.5mm Cu 0.7 mm Cu 10 nF 10 Kohm 2N2219 220 pf Max. 4.7 Kohm 220 ohm CRYSTAL 100 pF B B A A Radio Diablo 1 2 3 4