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)