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Circuits designed by David Johnson, P.E.
Last Updated on: Friday, March 23, 2012 08:39 AM

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Limiter Circuits

  • 40KHz Limiting Amp
    This circuit has a gain of X20 at 40KHz.  The amplifier output level is limited to 2.5v peak to peak. Limiting action begins with a 50v peak to peak input.  (added 7/06)
  • Incandescent Lamp Inrush Current Limiter
    This circuit limits the large inrush current often associated with large incandescent lamps.  With the components shown the current is limited to 1 amp, but it could be scaled to any desired current.  (added 7/06)

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