Electrical / Electronics
Simple microstrip impedance
Estimates microstrip impedance from trace width, substrate height and relative permittivity.
Related calculators
Coaxial line impedance
Calculates impedance of a homogeneous non-magnetic coaxial line from geometry and dielectric permittivity.
PCB trace width and current
Estimates required width or approximate current of a PCB trace with an older simplified empirical model.
Quarter-wave transformer
Calculates quarter-wave section impedance for real positive source and load impedances.
Reflection coefficient Γ
Calculates complex reflection coefficient from ZL and Z0 or from short/open-circuit cases.
Transmission-line electrical length
Calculates β and electrical length from physical length, frequency and VF.
Antenna effective aperture
Calculates antenna effective aperture from linear gain and wavelength.