Fluke DTX Series - Page 214

DTX Series CableAnalyzer
Technical Reference Handbook
9-20
Table 9-3. Level IV Accuracy Performance Parameters per IEC Guidelines (cont.)*
Parameter Baseline Field Tester
Field Tester with Level IV
Permanent Link Adapter
Field Tester with Level
IV Channel Adapter
Common Mode
Rejection
40 - 20 log(f/100)
(measured to 60 dB maximum)
37 - 20 log(f/100)
(measured to 60 dB maximum)
Tracking ± 0.5 dB (applicable when IL > 3 dB)
Directivity (applicable when IL > 3 dB)
1 MHz to 300 MHz:
27 - 7log(f/100),
30 dB maximum
300 MHz to 600 MHz: 23.7 dB
1 MHz to 300 MHz: 25 - 7log(f/100), 25 dB maximum
300 MHz to 600 MHz: 21.7 dB
(applicable when IL > 3 dB)
Source Match 20 dB (applicable when IL > 3dB)
Return loss of
Termination
(applicable when IL > 3 dB)
1 MHz to 250 MHz:
20 - 15log(f/100),
25 dB maximum
250 MHz to 600 MHz: 14 dB
1 MHz to 250 MHz: 18 - 15log(f/100), 25 dB maximum
250 MHz to 600 MHz: 12 dB
(applicable when IL > 3dB)
* DTX-1800 up to 900 MHz. DTX-1200 and DTX-LT up to 350 MHz.