NE555 driven coil WAS:Re: SCR driver coil...

• To: tesla-at-pupman-dot-com
• Subject: NE555 driven coil WAS:Re: SCR driver coil...
• From: Paolo <pagaiard-at-geocities-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Fri, 05 Feb 1999 21:37:18 -0700
• Approved: twf-at-verinet-dot-com

 
  Hi all,
  I have to realize (for an electronics exam) a solid state driven TC
  with a very high efficiency.
  I need to know your opinion on a couple of ideas.
  Suppose I build a ne555 based impulse generator which
  makes 1 us long pulses with a (say) 100-500Khz repetition rate.
  Then I send those pulses into a power transistor (a BJT working a
  current controlled switch, of course)
  via a 2N2222 based current buffer (say a follower emitter).
 
  I could drive directly an inductor tightly coupled to a tesla
secondary
  winding but with the power available (30W or so) I suppose the yeld
  would be quite low.
 
  But what if I feed a LC circuit with those current pulses?
  The LC must be tuned and coupled to the secondary winding, and feeding
  it with 1 us pulses, maybe with a repetition rate tuned to the TC
frequency
  should create into the LC couple powerful oscillations
    and thus make for a high power yeld into the secondary winding.
 
  I would like to read your opinion on this subject, which is of the
  maximum importance for me,
  Thank you in advance,
  Paolo Gaiardelli

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