@John
in this technique we will use as discussed a third coil with discharge mechanism for amplification purpose, this will avoid the need of extreme tuning since it's difficult to achieve, the natural resonance will be ensured in the active ETBC as you know, the quality of this resonance will be good if high inductance will low capacitance is provided, i am still thinking about the positions of earth connection, here maybe we will follow Don Smith schematic, one earth connection in the minus of electrolyte capacitor and another in third coil in one of discharge legs, this will help forming the standing waves if two well determined voltage are provided ( they are the two earth grounds ) , the distance between those ground have to be more than 3 meters ( this is a guess ) to allow high frequency oscillation.
in this technique we will use as discussed a third coil with discharge mechanism for amplification purpose, this will avoid the need of extreme tuning since it's difficult to achieve, the natural resonance will be ensured in the active ETBC as you know, the quality of this resonance will be good if high inductance will low capacitance is provided, i am still thinking about the positions of earth connection, here maybe we will follow Don Smith schematic, one earth connection in the minus of electrolyte capacitor and another in third coil in one of discharge legs, this will help forming the standing waves if two well determined voltage are provided ( they are the two earth grounds ) , the distance between those ground have to be more than 3 meters ( this is a guess ) to allow high frequency oscillation.
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