Fluke 990DSL - Page 229

Appendices
Features and Specifications A
A-7
Operational Specifications (continued)
Function Range Accuracy
WB/BB Loss
Impedance 100 Ω, 135 Ω 1 %
Frequency 10 kHz to 1.2 MHz
5
0.1%, 508.63 Hz
multiples
25 kHz to 18 MHz
6
0.1%, 4312.5 Hz
multiples
Magnitude 0 dB to 50 dB ±1 dB
7
50 dB to 90 dB ±3 dB
7
HDSL2/4 Loop Atten. 0 dB to 70 dB ±2 dB
WB/BB Long. Balance 0 dB to 20 dB ±3 dB
7,9
20 dB to 40 dB ±2 dB
7,9
40 dB to 50 dB ±3 dB
7,9
50 dB to 55 dB ±3 dB Typical
7,9
Disturbing Frequency
(Single Tone)
25 kHz to 18 MHz
0.1%, 4312.5 Hz
multiples
Disturbing Frequency
(70 Tone Multi-Tone)
0.25 MHz to 18 MHz
0.1%, 4312.5 Hz
multiples
Impedance 135 Ω, < 1.2 MHz
100 Ω, > 1.2 MHz
1 %
Filter
1.3 MHz, < 1.2 MHz
20 MHz, > 1.2 MHz
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