Fluke DTX-1800 Technical Reference Handbook page 343

Table 14-2. Level IV Accuracy Performance Parameters per IEC Guidelines (cont.)*
Parameter
Source/load return loss
Random Noise Floor
Residual NEXT
Residual FEXT
Output Signal Balance
* DTX-1800 up to 900 MHz. DTX-1200, DTX-LT, and DTX-ELT up to 350 MHz. DTX-CLT up to 100 MHz.
Baseline Field Tester
1 MHz to 300 MHz:
20 – 12.5 log(f/100),
20 dB maximum
300 MHz to 600 MHz: 14 dB
100 - 15 log(f/100),
90 dB maximum
90 – 20 log(f/100)
(measured to 85 dB maximum)
80 - 20 log(f/100)
(measured to 85 dB maximum)
40 - 20 log(f/100)
(measured to 60 dB maximum)
Maintenance and Specifications
Field Tester with Level IV
Permanent Link Adapter
1- 300 MHz: 18 – 12.5 log(f/100), 20 dB maximum
300 MHz to 600 MHz: 12 dB
95 - 15 log(f/100), 85 dB maximum
85 - 20 log(f/100)
(measured to 85 dB
maximum)
75 - 20 log(f/100)
(measured to 85 dB
maximum)
37 - 20 log(f/100) (measured to 60 dB maximum)
14
Specifications
Field Tester with Level IV
Channel Adapter
72.4 - 15 log(f/100)
(measured to 85 dB
maximum)
60 - 15 log(f/100)
(measured to 85 dB
maximum)
-continued-
14-17