Wander Measurement - Viavi T-BERD MTS 5800 Getting Started Manual

Modulation specifications
Table 148
Table 148 Modulation specifications
Item
Jitter modulation signal
Frequency range
Amplitude range at 155.52 Mbps
Error limits
The error limits conform to the requirements of ITU-T Recommendation O.172 (04/
2005), with a modulation frequency accuracy of ± 0.1%.
Synchronization
When generating wander, the device must be synchronized with an external timing
source. For more details, see

Wander measurement

This section provides specifications for wander measurements.
Reference clock
Table 149
Table 149 Wander clock frequency and input level specifications
Permissible offset
Wander transfer bandwidth
Measurement range
The upper limit of the wander frequency range is set by a first-order low-pass filter. The
sample rate is selected automatically to correspond with the selected low-pass filter.
Table 150
Table 150 Sample rates for various low pass filters
Low pass filter/fc
0.1 Hz
10 Hz
20 Hz
100 Hz
March 2018
describes the modulation specifications for the electrical wander generator.
"Reference clock" on page
lists the wander clock frequency and input level specifications.l
lists the sample rates for various low pass filters.
Sample rate
1/s
30/s
60/s
1000/s
T-BERD/MTS/SC Getting Started Guide
22046537, Rev. 016
Description
sinusoidal
10 μHz to 100 MHz
0.01 UI to 3600 UI
229.
± 1000 ppm
Driven by the low pass filter as specified in
Table 150 on page 229.
Appendix A Specifications
Jitter and Wander specifications
Page 229