er 　
　 h [mm]
　 t [um]
　 f [MHz]

　

　
W [mm] >>> Zo [ohm]
　 　 　 　 　 　 　
Zo [ohm] >>> W [mm]

　

　
er eff 　 k 　 lambda/4 [mm]
　
[ How to use ]
1. Input the parameter of the circuit board and center frequency.
2.
(1) When the characteristic impedance (Zo) of the line width (w) is calculated.
Input w, and click on [ Analyze ] button.
(2) When the line width (w) of the characteristic impedance (Zo) is calculated.
Input Zo, and click on [ Synthesis ] button.
3. A calculation result is indicated.