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66 SSA3000X Plus User Manual
3.2.1.2
Symbol Rate
Set the symbol rate of the signal to be analyzed. Press
Meas Setup
, then select "Symbol Rate", you
can input the symbol rate and change the symbol rate by the knob.
Table 3-3 Symbol Rate
Parameter
Explanation
Default
10 ksps
Range
1 ksps ~ 2.5 Msps
Unit
Msps, ksps, sps
Knob Step
Symbol Rate/10
Direction Key Step
In 1-2-5 sequence
3.2.1.3
Points/Symbol
Set the points/symbol of the modulated signal.
3.2.1.4
Meas Length
Set the number of symbols which will be used in calculating the measurement. As the length is longer,
the range for statistics is bigger, and the measure time is longer.
Table 3-4 Meas Length
Parameter
Explanation
Default
128
Range
16 ~ 4096
Unit
1
Knob Step
1
Direction Key Step
Current value of Meas Length
3.2.1.5
Filter Setup
After entering into the "Filter Setup" sub-menu, you can choose the relative parameters of filters.
1. Measure Filter
Sqrt Nyquist
Nyquist
Gauss
Half Sine
Off
2. Reference Filter
Sqrt Nyquist
Nyquist