Coax Calculator - Microwave Encyclopedia

Coax Calculator
Enter the Outer Diameter (D), Outer Diameter (d), and Permittivity.

D (inches)	d (inches)	Z_o (ohms)	f_c (GHz)	C/length (pF/ft)	I/length (nH/ft)
		50.00	18.91	29.97	72.36




*Z_o=138LOG(D/d)/E_r^0.5**
*F_c=11.8/(E_r^0.53.14159(D+d)/2)*
*C=7.354E_r/LOG(D/d)**
*L=140.4LOG(D/d)**

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