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Appendix A
Specifications
Jitter and Wander specifications
T-BERD/MTS/SC Getting Started Guide
Page 236
22046537, Rev. 016
March 2018
Automatic jitter measurements
This section provides specifications for automatic jitter measurements.
Maximum Tolerable Jitter (MTJ)
A group of up to 20 user-specified jitter frequencies (scan frequencies) can be defined.
A set of pre-defined masks per applicable standards is also provided.
Fast Maximum Tolerable Jitter (Fast MTJ)
A group of up 20 user-specified frequencies (scan frequencies) can be defined. A set
of pre-defined masks per applicable standards is also provided.
Jitter Transfer Function (JTF) measurement
A group of up to 20 user
-specified j
itter frequencies (scan frequencies) can be defined. A
set of pre-defined masks per applicable standards is also provided.
describes the JTF measurement specifications.
Measurement error
Per ITU-T Recommendations G.783 and G.8251
.
Wander generator
This section provides specifications for the optical wander generator.
Modulation
provides the modulation specifications for the optical wander generator.
Table 162
JTF measurement specifications
Item
Description
TX jitter settings
see
Settling time
0.1 to 999.9 seconds
RMS integration period
5 seconds
Recovery time
0.1 to 999.9 seconds
Filter bandwidth
(band-pass, -3 dB)
10 Hz
Table 163
Internal modulation source specifications
Item
Description
Jitter modulation signal
sinusoidal
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