RM Ferrite Cores
ETD Ferrite Cores
Design and Manufacture of Apidictor Inductors
Little has been done about this,
but it is fairly easy to follow the principles shown on the
This is a choke value 18.8 Henrys.
This 40.8 Henry choke will require a substantial core size and many turns of fine wire.
A small amount of info about designing this item exists on
HT Inverter Transformer
Some sorts of transformer recovered from a 6v power supply may well be pressed into service to do this duty.
Written... 13 December 2001, New Domain... 16 April 2004,