Return Loss - Fluke DSP-100 User Manual

Random Noise Floor: Better than 65 dB at 100 MHz. Typically better than 75 dB
at 100 MHz.
Output Signal Balance: Better than 37 dB at 100 MHz.
Common Mode Rejection: Better than 37 dB at 100 MHz.
Measurement Accuracy (calculated from above parameters): Better than 1.5 dB
from 1 MHz to 100 MHz. Typically better than 1.25 dB.
TDX Analyzer Specifications for Cables <100m (328 ft)
The following performance is typical for cables less than 100m (328 ft):
Distance accuracy: ±(1 ft (0.3m) + 2% distance)
Distance resolution: 1 ft or 0.1m
TDR Specifications for Cables <100m (328 ft)
Table 8-6 shows the distance specifications for TDR tests on cables less than
100m (328 ft) long.
Distance accuracy
Distance resolution

Return Loss

Return loss range: 0 to 30 dB
Accuracy: 3 dB over the following ranges:
0 to 18 dB from 1 to 10 MHz
0 to 15 dB from 10.1 to 20 MHz
0 to 10 dB from 20.1 to 100 MHz
Table 8-6. Distance Specifications for TDR Test
Twisted Pair
(1 ft (0.3m) + 2% distance)
1 ft or 0.1m
Maintenance and Specifications
Specifications
Coaxial
(1 ft (0.3m) + 2% distance)
1 ft or 0.1m
8
8-11