SARK
SARKSARK
SARK-
--
-110
110110
110
User’s Manual
Rev 1.2.6 October 3
rd
, 2015 - 39 - © Melchor Varela – EA4FRB 2011-2015
8 Cable Test Mode (TDR)
1 Diagram 10 Length indication
2 Traces 11 Zoom mode
3 Markers 12 Cable Velocity Factor Setting
4 Vertical axis labeling 13 Reference impedance setting
5 Distance axis labeling 14 Loaded data file name
6 Main menu 15 Disk write operation in progress
7 Highlighted menu option 16 Calibration status
8 Markers information 17 Run/Hold status
9 Detailed measurements 18 USB/Battery status
Cable Test or Time Domain Reflectometer (TDR) mode is intended to identify potential coaxial
cable faults that could disrupt signal transmission. Unlike native TDR test equipment, the
method of measurement in the SARK-110 is based on the theory of Frequency Domain
Reflectometry (FDR).
The analyzer makes swept reflection measurements over the entire frequency range and
mathematically transforms the gathered data to Time Domain using an inverse Fourier
transform. As a result, the step and impulse responses are plotted on the display, providing
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