Fluke CableAnalyzer DSP-4100, Руководство пользователя

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Maintenance and Specifications
Specifications
8
8-13
Measurement Accuracy as Specified in Relevant Standards
Accuracies computed from the parameters in Table 8-4 are shown in Figures 8-2
through 8-7.
Table 8-4. Performance Parameters
Parameter
Baseline
Test Tool
Test Tool with
DSP-LIA101 Permanent
Link Adapter
Test Tool with
Category 6/Class E
Channel Adapter
Dynamic range 3 dB over test limit
Pair-to-Pair NEXT and FEXT loss 65 dB
Power Sum NEXT and FEXT loss 62 dB
Amplitude resolution 0.1 dB
Frequency range and
resolution 1 MHz – 31.25 MHz: 100 kHz
31.25 MHz–100 MHz:200 kHz
100 MHz – 250 MHz: 500 kHz
Dynamic Accuracy NEXT
Attenuation (Insertion Loss) ± 0.75 dB
Note 1
Dynamic Accuracy ELFEXT ± 1.0 dB
Note 2
Source/load return loss 20 – 12.5 log (
ƒ
/ 100)
20 dB maximum
18 – 12.5 log (
ƒ
/ 100)
20 dB maximum
Random Noise Floor 75 – 15 log (
ƒ
/ 100); 85 dB maximum
Residual NEXT 65 – 20 log (
ƒ
/ 100)
Note 3
54 – 20 log (
ƒ
/ 100)
Note 3
Residual FEXT 65 – 20 log (
ƒ
/ 100)
Note 3
45 – 20 log (
ƒ
/ 100)
Note 3
Output Signal Balance 40 – 20 log (
ƒ
/ 100)
Note 4
37 – 20 log (
ƒ
/ 100)
Note 4
Common Mode Rejection 40 – 20 log (
ƒ
/ 100)
Note 4
37 – 20 log (
ƒ
/ 100)
Note 4
Tracking ± 0.5 dB
Directivity 27 – 7 log (
ƒ
/ 100)
Note 5
30 dB maximum
25 – 20 log (
ƒ
/ 100)
25 dB maximum
Source Match 20
Note 5
20 – 20 log (
ƒ
/ 100)
20 dB maximum
Return loss of Termination 20 – 15 log (
ƒ
/ 100)
Note 5
25 dB maximum
16 – 15 log (
ƒ
/ 100)
25 dB maximum