VE7BPO
Ferrite
FreeCalculate the number of turns required on toroidal ferrite cores to achieve the desired millihenry-value inductance.
WindowsPI Filter Designer
FreeDesign lowpass filters by selecting from a variety of standard capacitor values.
WindowsUniversal Diplexer
FreeCalculate the inductance and capacitance values for a Bridge-Tee diplexer.
WindowsHF Dipole
FreeCalculate the length of each leg of a 1/2 wave wire dipole antenna.
WindowsCapCoder
FreeGives the capacitance in microfarads, nanofarads, and picofarads.
WindowsResistor Coder
FreeGives the resistance in ohms of any resistor color code entered into its input section.
WindowsResonator
FreeCalculate the inductor and capacitor values for the tank circuit.
Windows