Fluke DSP-2000 Manual do Utilizador descarregar pdf (Página 149)

Maintenance and Specifications

Specifications

8-11

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.

Table 8-6. Distance Specifications for TDR Test

Twisted Pair Coaxial

Distance accuracy ±(1 ft (0.3m) + 2% distance) ±(1 ft (0.3m) + 2% distance)

Distance resolution 1 ft or 0.1m 1 ft or 0.1m

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

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Fluke DSP-2000 Manual do Utilizador Página 149