Fluke CableAnalyzer DSP-4000 Series, Руководство пользователя

Страница: 178 / 228

DSP-4000 Series
Users Manual
8-18
Return Loss
Parameter Specification 100 MHz 250 MHz
Frequency Range 1 MHz to 350 MHz 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 40 dB NA NA
Amplitude Resolution 0.1 dB NA NA
Directivity for
Baseline/Basic Link 27 - 7 log (f/100) dB, 1 MHz to 250 MHz;
30 dB maximum 27 dB 24.2 dB
Directivity for Permanent
Link and Channel 25 - 20 log (f/100) dB, 1 MHz to 250 MHz;
25 dB maximum 25 dB 17 dB
Tracking 0.5 dB, 1 MHz to 250 MHz 0.5 dB 0.5 dB
Source Match for
Baseline/Basic Link 20 dB, 1 MHz to 250 MHz 20 dB 20 dB
Source Match for
Permanent Link and
Channel 20 - 20 log (f/100) dB, 1 to 250 MHz;
20 dB maximum 20 dB 12 dB
Return Loss of Termination
for Baseline/Basic Link 20 - 15 log (f/100) dB, 1 MHz to 250 MHz;
25 dB maximum. 20 dB 14 dB
Return Loss of Termination
for Permanent Link and
Channel 16 - 15 log (f/100) dB, 1 MHz to 250 MHz;
25 dB maximum. 16 dB 10 dB
Note: Return Loss specifications apply to 100
Ω
cable only.