سایت محاسبه سلف (بوبین) آنلاین
http://hamwaves.com/antennas/inductance.html
http://www.pronine.ca/multind.htm
http://www.66pacific.com/calculators/coil_calc.aspx
http://www.vishay.com/inductors/calculator/calculator
http://www.crystalradio.net/cal/indcal.shtml
http://www.calculatoredge.com/new/Air%20Core%20Inductor%20Inductance.htm
http://www.m0ukd.com/Calculators/air_core_inductor_calculator
http://www.mantaro.com/resources/impedance_calculator.htm
http://stonessoundstudio.com.au/stone/diy_speaker_info/Multilayer_Air_Core_Inductor_Calculator.htm
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/indsol.html
http://wcalc.sourceforge.net/cgi-bin/air_coil.cgi
http://www.circuits.dk/calculator_planar_coil_inductor.htm
http://www.circuits.dk/calculator_single_layer_aircore.htm
http://www.engineers.com/calculate.htm )) ))
http://www.daycounter.com/Calculators/Switching-Converter-Calculator.phtml
http://www.qsl.net/iz7ath/web/02_brew/21_LCMeter01
http://www.qsl.net/in3otd/indcalc.html
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/acind.html