You will need
- - rod from the antenna;
- - insulating tape;
- - wide adhesive tape;
- - double-sided tape;
- - wire of diameter 0.2 and 1-1.5 mm.
If you take a sufficiently large wire diameter and high power output. Then the device will not need to use additional capacitors to increase the power of the device. Core coil transformer will serve as a ferrite rod antenna of the radio. You can take typed transformer plates five-centimeter length.
Rod tape, first wrapped it with electrical tape and then a wide thick tape on all sides. Wire for the primary winding head with a diameter of 1-1,5 mm, make from ten to twenty turns. Wrap exactly – turn to turn. The direction of the windings do not change.
The primary winding also needs to be isolated. The ends of the wire skip through the plastic tube. First, cover the winding with insulating tape in four layers, then the wide tape on 6-7 layers.
On the sides of the coil stick double-sided tape to the secondary winding to do evenly. Don't forget that the secondary winding you have to make in the same direction as the previous one, otherwise your transformer will not work. The first round will go through the plastic tube (suitable thermotrace isolated from the soldering iron or tubes of glass).
Wire for the secondary winding head with a diameter of 0.2 mm. Each series make 40-50 turns to wrap smoothly, not in a hurry. After the first row is ready, make the isolation of the 5-6 layers of wide tape. Proceed to the second row.
The secondary winding of high voltage transformer, which you do contain 300-350 coils. If you scored 500 or more, such a coil will have to fill with epoxy.
To comply with a smooth and neat winding do not forget to stick double-sided tape on the sides, and to isolate a wide use of quality material. Your finished transformer will work stably and with high power, but for such a result to the primary winding must be submitted from the condenser powerful pulses.