Agilent Technologies 89410A Getting Started Manual page 31

6
Activate two traces:
Press [ ], [ ] (two Active Trace LEDs are now turned on)
Shift A
7
Turn on marker coupling and zero the offset marker on the carrier:
Press [ ], [
Marker couple mkrs on
Press [ ], [
Shift Marker
Press [ ], [
Shift Marker⇒
8
Use the search marker to measure the phase of the two largest sidebands
relative to the carrier:
Press [
Marker Search
Press [ ] again and note the phase.
next peak
The phase values vary with each sweep but for an AM signal the average
phase of the sidebands is equal to the carrier phase.
],
] to place the marker on the carrier peak,
] to zero the offset marker.
], [ ], and note the phase displayed for the lower trace.
next peak
Measuring Relative Phase
4-3