External Clock Signal Input Terminal (EXT CLOCK IN)
If you want to operate the BERT module with an external clock signal at a rate of 10 GHz,
without using the internal SG, apply a 10 GHz clock signal to this terminal.
Item
Specifications
Connector type
SMA, female
Input level
0.4 to 1.0 Vp-p
Input terminator conditions
50
Ω
AC-coupling or DC-coupling
Frequency
The same frequency as the bitrate
Duty
50% (nominal value)
External Synchronization Signal Input Terminal (REF CLOCK IN)
If you want to synchronize the BERT module with an external clock signal, without using
the internal SG, apply a reference signal that has a frequency that is 1/16 or 1/64 of the
10 Gbit/s rate to this terminal.
Item
Specifications
Connector type
SMA, female
Input level
0.4 to 1.0 Vp-p
Input terminator conditions
50
Ω
AC-coupling
Frequency
1/16 or 1/64 of the bitrate
Duty
50%-rectangular signal (nominal)
Trigger Output Signal Terminal (TRIGGER OUT)
This terminal transmits the selected trigger signal (clock, pattern, or error).
Item
Specifications
Connector type
SMA, female
Output level
0.6 Vp-p ± 0.3 V
Output terminator conditions 50
Ω
AC or DC terminator
3.3 BERT Module
3-7
IM 735101-01EN
External Input and Output
1
2
3
4
5
Index
