Fluke CableAnalyzer DSP-4000 Series - Page 176

DSP-4000 Series
Users Manual
8-16
NEXT and Power Sum NEXT (PSNEXT)
Parameter Specification 100 MHz 250 MHz
Frequency Range 1 MHz to 350 MHz. Range is determined by
the selected test standard.
NA NA
Step sizes <31.4 MHz: 100 kHz
31.4 MHz to 100 MHz: 200 kHz
100 MHz to 350 MHz: 500 kHz
NA NA
Amplitude Range 0 dB to 10 dB beyond the test limit NA NA
Resolution 0.1 dB NA NA
Dynamic Accuracy
(up to test limit + 3 dB)
Better than ±0.75 dB, 1 MHz to 250 MHz. ± 0.75 dB ± 0.75 dB
Return Loss for
Baseline/Basic Link
20 - 12.5 log (f/100) dB, 1 MHz to 250 MHz;
20 dB maximum
20 dB 15 dB
Return Loss for Permanent
Link and Channel
18 - 12.5 log (f/100) dB, 1 MHz to 250 MHz;
20 dB maximum
18 dB 13 dB
Random Noise Floor 75 - 15 log (f/100) dB, 1 MHz to 250 MHz;
85 dB maximum
75 dB 69 dB
Output Signal Balance for
Baseline/Basic Link
40 - 20 log (f/100) dB, 1 MHz to 250 MHz;
60 dB maximum
40 dB 32 dB
Output Signal Balance for
Permanent Link and
Channel
37 - 20 log (f/100) dB, 1 MHz to 250 MHz;
60 dB maximum
37 dB 29 dB
Common Mode Rejection
for Baseline/Basic Link
40 - 20 log (f/100) dB, 1 MHz to 250 MHz;
60 dB maximum
40 dB 32 dB
Common Mode Rejection
for Permanent Link and
Channel
37 - 20 log (f/100) dB, 1 MHz to 250 MHz;
60 dB maximum
37 dB 29 dB
Residual NEXT Loss 65 - 20 log (f/100) dB, 1 MHz to 250 MHz;
85 dB maximum
65 dB 57 dB