JUMA TX500 toroidal
coils winding instruction
Last update 2009-08-02
Inductors L9 and L10
Core: Amidon
T-94-2 iron powder toroidal core
Wire: 0.8 mm enamelled copper wire
Turns: 42
Sufficient
wire lenght is 1.5 meters for each coil.
Thread the wire
42 times through the center of the toroidal core.
Note! Recheck carefully the amount of turns after winding.
Strip and pre-solder the wires as shown in the picture.