Keysight N4917CPCA Optical Receiver Stress Test for CPRI Fronthaul Networks User Guide
75
Using the N4917CPCA Software
4
The Jitter Performance measurement sweeps sinusoidal jitter (PJ1) from a
maximum range of 40/100 kHz to 300 MHz. You may set the Start
frequency to a value, which is greater than or equal to the minimum and
you may set the Stop frequency to a value, which is less than or equal to
300 MHz. Also, set the number of frequency points.
In
Auto
mode, the specified number of test frequencies are equally spaced
between the specified start and stop frequency values.
In
Manual
mode, the SJ frequency and amplitude values are defined in a
Frequency List file. Default location for the Frequency List file is
C:\Users\
Public\Public Documents\N4917CPCA\Parameter\
.
Figure 46
Jitter Performance Test Parameters
Generally, you are not required to make any changes to the remaining
parameters as the N4917CPCA Test Solution software automatically loads
such parameters from the Stressed Eye Calibration Results file.
Running the Jitter Performance Test
1 Click
Start(S)
to commence the Jitter Performance Measurement.
For each SJ frequency test point, a dialog box appears where you must
enter the desired SJ amplitude value. See
.
Содержание N4917CPCA
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