View source for Passive filter calculators

*[http://sim.okawa-denshi.jp/en/CRtool.php okawa]
*[http://pa2ohh.com/jslcimp.htm impedance calculator]
*[http://www.calculatoredge.com/electronics/bw%20pi%20low%20pass.htm calculatoredge]
*[http://www-users.cs.york.ac.uk/~fisher/lcfilter/ York university]
*[http://www-k.ext.ti.com/srvs/cgi-bin/webcgi.exe?Company={5761bcd8-11f5-4e08-84e0-8167176a4ed9},kb=analog,case=obj%2832622%29,new TI resistor/capacitor calculator]
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[[Category:Filter]]