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Circuits designed by David Johnson, P.E.
Last Updated on: Thursday, April 07, 2016 02:04 PM

Master Category List - Dave's Circuits

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Active Band Pass Filter Circuits

Dave's Filter Circuits:  Band Pass Filters     High Pass Filters     
Low Pass Filters     Notch Filters

125Khz Ultra Pure 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%... [Hobby Circuit designed by Dave Johnson P.E., 2/11/02]

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Active Band Pass Filter Circuits

Dave's Filter Circuits:  Band Pass Filters     High Pass Filters     
Low Pass Filters     Notch Filters


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Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


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