GW Instek GSP-9300 - Phase Jitter Measurement

GSP-9300 User Manual
160
Phase Jitter Measurement
Description
Phase Jitter refers to the amount of phase
fluctuation and can be used to evaluate stability
of a signal in the time domain.
Parameters
Start Offset:
The start frequency with
respect to the center
frequency.
Stop Offset:
The stop frequency with
respect to the center
frequency.
Measurement
items
Carrier Power:
dBm
Jitter in phase:
rad
Jitter in time:
ns
Example
Stop Offset
Start Offset
Operation:
Setting up the
main channel
1. Press
Measure
> Phase Jitter[F4]>Phase Jitter[F1]
and turn Phase Jitter on.
 Any other measurement mode will automatically be
disabled.
2. The display splits into two screens. The top
shows the trace with the start and stop offsets.
The bottom screen shows the phase jitter
measurements.