GW Instek GSP-9300 - Composite Second Order (CSO)

GSP-9300 User Manual
188
Composite Second Order (CSO)
Description
Composite Second Order measurement
calculates the difference in amplitude between
the carrier signal and the composite second
order beat.
Parameters
CSO CH SP: The channel space.
Measurement
items
Visual Carrier: frequency, amplitude
Channel Space: frequency
CSO: amplitude difference
Example
1
Δf
Visual carrier marker
Color subcarrier,
aural carrier
2
CSO Beat marker
CSO
dB
Channel
spacing
To next main channel
Operation:
1. Press
Measure
> More[F7]>CNR/CSO/CTB[F1]>
Setup[F1]> CSO[F2] and choose CSO.
2. Press CSO[F2] and toggle CSO on.
 Any other measurement mode will automatically be
disabled.
3. The display splits into two screens. The top
shows the trace with the visual carrier marker
and the CSO beat marker. The bottom screen
shows the CSO measurements.