40 
Measuring Multiple Signals
Easily Measure Varying Levels of Modulated Power Compared to a Reference
7 Enable trace averaging.  • Press Trace/Detector, Select 
Trace, Trace 1, Trace Average.
8 Enable the Band/Interval 
Power Marker function.
• Press Marker Function, 
Band/Interval Power. 
This measures the total power 
of the reference 4-carrier 
W-CDMA signal
9 Center the frequency of 
the Band/Interval Power 
marker.
• Press Select Marker, Marker 1, 
1.96, GHz.
This centers the marker on the 
4-carrier reference signal 
envelope.
10Adjust the width (or span) 
of the Band/Interval 
Power marker.
• Press Marker Function, Band 
Adjust, Band/Interval Span, 20, 
MHz.
This encompasses the entire 
4-carrier W-CDMA reference 
signal. See Figure 2-14.
Note the green vertical lines of 
Marker 1 representing the span 
of signals included in the 
Band/Interval Power 
measurement and the carrier 
power indicated in Markers 
Result Block. 
Figure 2-14  Measured Power of Reference 4-carrier W-CDMA Signal Using Band/Interval Power 
Marker
Step Action Notes