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Microwave Engineering
book

Microwave Engineering

by Ahmad Shahid Khan
May 2014
Intermediate to advanced content levelIntermediate to advanced
800 pages
24h 50m
English
CRC Press
Content preview from Microwave Engineering
664 Microwave Engineering
Equation 15.3 involves capacitance (C) per unit length of the stripline.
This can be obtained by solving Laplace’s equation by conformal mapping
method. This, however, involves complicated special functions. For practical
computations of the characteristic impedance, a simple relation obtained by
employing the curve-tting method is given below.
Z
b
w b
r
e
0
30
0 441
=
+
π
ε
.
(15.4)
• Effective width: The effective width (w
e
) of the centre conductor
involved in Equation 15.4 is related to the actual width (w) given
below:
w b w b w b
e
/ / for / 35= > 0.
(15.5a)
w b w b w b w b
e
/ / 35 / for / 35
2
=
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Publisher Resources

ISBN: 9781466591417