Parts List of the Most Simplest Transmitter
Transistor:
1 2SC2003 or the alternatives. BC337 can be used but the pins arrangement has to be changed. See the FAQ.
Registors:
1 10K Ohm 1/4 -1/8 Watt (brown-black-orange)
1 27K 1/4 -1/8 Watt (red-violet-orange)
1 470 - 500 1/4 Watt (yellow-violet-brown)
Capacitors:
1 10PF Ceramic
2 0.01MF (also indicated as 103) Ceramic
1 1 - 10 MF Electrolyiic
Coil:
1 7 turns by 0.5 mm enamel wire, 2.5mm diameter
Trimmer capacitor:
1 10 - 20 PF
(there are various shapes but keep the value-10_20PF)
Copper-clad circuit board:
1 plate of 4 x 5 cm (minimum) and 0.5-1.0 mm(thick) and 4(5) small squares (5 x 5 mm)
Audio cable: 30 - 50 cm lengh of audio cable with mini-mono (or stereo) 2.5mm plug. When you use mini-stereo cable, you must use the left channel (white) only.
9 volts Battery and the snap connector