Agilent Technologies Signal Analyzer N9030a - Manual (Page 731)

6 RLC Swept SA Measurement Front-Panel & SCPI Reference
Marker Function
measures the average power across some time interval in zero span.
Interval Density is defined to be Interval Power divided by Bn. Bn is the noise bandwidth of the
RBW filter, as noted and used within the Band Power computation.
Band Function Backwards Compatibility
To define the Band Power function, the ESA and PSA analyzers used Delta Marker functionality
with two markers, for example, Marker 1 and its Reference Marker, as shown below:
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The marker modes known as Span Pair and Delta Pair (Band Pair in ESA) were used to set two
markers for the primary purpose of defining the band of a Band Power function. The two markers
were set by adjusting their span and centerpoint (Span Pair mode) or by adjusting their locations
independently to directly define the Start and Stop edges of the band (Band Pair/Delta Pair
modes).
In the X-Series, the introduction of adjustable-width Band Functions fundamentally changes the
way Band Power markers are controlled, by using a single marker to completely define the
function, as shown below:
Remote Language Compatibility Measurement Application Reference 731