Transmission Line Calculator
Characteristic Impedance, Inductance/m and Capacitance/m of unusual Structures
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© Hartwig Harm DH2MIC
V2.0 - 22 April 2018
Struktur A:
round center conductor and shape of outer conductor like:
Round Conductor
Square Conductor
Rectangular Conductor
U-shaped Conductor
L-shaped Conductor
2 Planes equally apart
2 Planes unequally apart
Single wire above Plane
Two-wire Line
Square Conductor 1946 k=1.078
Square Conductor 1946 k=1.080
Square Conductor 1956
calculated by
Z-Interpolation
k-Interpolation
Approximation
Please enter
Diameter
and
Distance
of inner conductor in Millimeter.
b is only required with "Rectangular Conductor", "U-shaped Conductor", "L-shaped Conductor" and "2 Planes unequally apart". Example: d=10 a=13 b=20 ε
r
=1.0
For Calculation or Recalculation please click on '(Re)Calculation'.
Diameter
(d) in mm
Distance
(a) in mm
Distance
(b) in mm
Epsilon
ε
r
k
specific
Z in Ohms
L' in nH/m
C' in pF/m
k
Program loaded from http://www.qsl.net/dh2mic/tlc/
Struktur B:
round center conductor and shape of outer conductor like:
Round Conductor
Square Conductor
Rectangular Conductor
U-shaped Conductor
L-shaped Conductor
2 Planes equally apart
2 Planes unequally apart
Single wire above Plane
Two-wire Line
Square Conductor 1946 k=1.078
Square Conductor 1946 k=1.080
Square Conductor 1956
calculated by
Z-Interpolation
k-Interpolation
Approximation
Please enter
Diameter
and
Distance
of inner conductor in Millimeter.
b is only required with "Rectangular Conductor", "U-shaped Conductor", "L-shaped Conductor" and "2 Planes unequally apart". Example: d=10 a=13 b=20 ε
r
=1.0
For Calculation or Recalculation please click on '(Re)Calculation'.
Diameter
(d) in mm
Distance
(a) in mm
Distance
(b) in mm
Epsilon
ε
r
k
specific
Z in Ohms
L' in nH/m
C' in pF/m
k
or from http://dh2mic.darc.de/tlc/