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Band Pass Active Filter Circuits
Designed by David A. Johnson, P.E.

Last Updated on: Friday, April 25, 2008 04:12 PM

Master Category List - Dave's Circuits

Band Pass Filters         High Pass Filters          Low Pass Filters         Notch Filters
 
  • ULTRA PURE 125KHz SINE WAVE SIGNAL SOURCE
    For some RFID systems operating at 125KHz, a very low distortion signal source reference is needed.  The circuit shown on this page produces a 10-volt peak-to-peak signal into a 50-ohm load, with a distortion of only 0.01%. 


More Active Filter Circuits

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