Appendix I: Custom Cable Settings - SARK 110 User Manual

Appendix I:
The SARK-110 allows the user to specify three custom cable settings by supplying a special text
file stored on the analyzer's disk. The file name must be "custcab.txt" and the format for each
cable entry in the file is as follows:
legend, Z0, VF, K0, K1, K2
Where:
legend: string to be display in the preset menu (max length: 20)
o
Z0: characteristic impedance
o
VF: velocity factor
o
K0: DC resistance, dB/100ft
o
K1: coefficient for conductor loss, dB/100ft
o
K2: coefficient for dielectric loss, dB/100ft
o
Example:
Test cable 1,
Test cable 2,
Test cable 3,
rd
Rev 1.2.6 October 3 , 2015
SARK SARK- - - - 110
SARK SARK
Custom Cable Settings
50, 0.68, 0.063897,
60, 0.78, 0.073897,
70, 0.88, 0.083897,
- 87 -
110
110 110
0.192292,
0.193292,
0.194292,
© Melchor Varela – EA4FRB 2011-2015
User's Manual
0.000051
0.000061
0.000071