WY2U Magnetic Loop Calculator
Input values:
Minimum Operating Frequency in MHz:
Maximum Operating Frequency in MHz:
Main Loop Diameter (inches):
Loop Conductor Diameter (inches):
Xmitter Pep power (watts):
System impedance (ohms):
Estimated Tuning Capacitor Q at F min:
Estimated Tuning Capacitor Q at F max:
Typical Q values: Vacuum Capacitor 4000 - 6000
Typical Q values: Vacuum Capacitor 2500 - 3500
Typical Q values: Butterfly Capacitor 3000 - 4000
Typical Q values: Butterfly Capacitor 1500 - 2500
Typical Q values: Standard Capacitor 2000 - 2500
Typical Q values: Standard Capacitor 800 - 1500
Calculated Values:
Design Error Check
Loop Inductance micro-henries
Inductive reactance F min (ohms)
Inductive reactance F max (ohms)
Tuning Capacitance at F min (pf)
Tuning Capacitance at F max (pf)
Capacitor loss at F min (milli-ohms)
Capacitor Loss at F max (milli-ohms)
Antenna Copper Loss F min (milli-ohms)
Antenna Copper Loss F max (milli-ohms)
Radiation Resistance F min (milli-ohms)
Radiation Resistance F max (milli-ohms)
Antenna Efficiency F min (percent)
Antenna Efficiency F max (percent)
Antenna Q at F min
Antenna Q at F max
Antenna BW at F min (KHz)
Antenna BW at F max (KHz)
Peak Capacitor voltage at F min
Peak Capacitor voltage at F max
Loop Circulating Current at F min (amperes)
Loop Circulating Current at F max (amperes)
Parallel equivalent Resistance F min (K ohms)
Parallel equivalent Resistance F max (K ohms)
Min Capac plate spacing (in)
Distr Capacitance (pf)
Coupling loop diam (in)