TROS – "Franklin’s bell"; recuperation

HV transistor oscillator;
“franklin bell” instead of a spark gap working as a circuit breaker sending BEMF spikes from Ferrite Choke to the battery ….

TROS – "Franklin’s bell"; recuperation

HV transistor oscillator;
“franklin bell” instead of a spark gap working as a circuit breaker sending BEMF spikes from Ferrite Choke to the battery ….

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