
Appendix A
Specifications
Jitter and Wander specifications
T-BERD/MTS/SC Getting Started Guide
March 2018
22046537, Rev. 016
Page 233
Measuring ranges
describes the measuring ranges for the optical jitter analyzer.
Measurement filters
This section provides specifications for the measurement filters.
Standard range
describes the standard range and properties for the measurement filters.
Default filter settings are per
ITU-T Recommendations O.172 (04/2005) and
O.173 (03/2003).
Table 154
Measuring ranges
Item
Range/Resolution
Standard
– Peak-Peak
– RMS
0 to 50 UIpp/1 mUIpp
0 to 25 UI/0.1 mUI
Extended
– Peak-Peak
155M
622M
2.5/2.7G
– RMS
155M
622M
2.5/2.7G
0 to 50 UIpp/100 mUIpp
0 to 200 UIpp/100 mUIpp
0 to 800 UIpp/100 mUIpp
0 to 25 UI/10 mUI
0 to 100 UI/10 mUI
0 to 400 UI/10 mUI
Table 155
Standard ranges and properties for the measurement filters
Item
Description
High-pass filters
500 Hz, 1 kHz, 5 kHz, 12 kHz, 65 kHz, 250 kHz, 1 MHz
High-pass filter charac-
teristics
1
st
order (to ITU-T O.172/O.173)
Low-pass filter
1.3 MHz, 5 MHz, 20 MHz
Low-pass filter charac-
teristics
3
rd
order Butterworth
(to ITU-T O.172/O.173)
Filter properties:
-3 dB cut-off frequency
tolerance
fc ± 10%
Maximum attenuation
at least 60 dB