Electrical / Electronics
Antenna effective aperture
Calculates antenna effective aperture from linear gain and wavelength.
Related calculators
Friis received power
Calculates received power from transmitted power, linear gains, wavelength and distance.
RF wavelength
Calculates wavelength from frequency and velocity factor.
Antenna length from wavelength fraction
Calculates 1/4, 1/2 or 5/8 wavelength length from frequency and VF.
Transmission-line electrical length
Calculates β and electrical length from physical length, frequency and VF.
Coaxial line impedance
Calculates impedance of a homogeneous non-magnetic coaxial line from geometry and dielectric permittivity.
Conductor skin depth
Calculates skin depth from frequency, resistivity and relative magnetic permeability.