Agilent Technologies ESA Series User's/Programmer's Reference page 169

Core spectrum analyzer functions
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Accesses the following
Normalize
Key Access:
Store Ref
(1 → 3)
Normalize
On Off
Segmented sweep is not available when
NOTE
Trace 1 should be in clear write mode prior to setting normalize to on.
CAUTION
Chapter 2
menu keys:
Normalize
,
Trace/View
More
Copies trace 1 into trace 3.
pressed before pressing
Store Ref (1 → 3)
is pressed before
Store reference trace before turning on
Normalize is displayed in the status line, however
Normalize has been activated.
Key Access:
View/Trac
Activates the normalize function. On
Normalize (On)
each sweep, the normalized trace (Trace 3) is
subtracted from Trace 1 and the result is added to the
normalized reference level. The display shows the
result of the following calculation:
Trace 1 – Normalized Trace + Normalized Reference
Level
The trace data is normalized with respect to the
normalized reference level, even if the value of the
normalized reference level is changed. This function
remains in effect on all subsequent sweeps until it is
turned off.
The normalize function is most useful for applying
correction data to a trace while making a stimulus
response measurement with a tracking generator. For
example, connect the cables and a thru line, in place of
the device to be measured, between the tracking
generator and the analyzer input. Notice that the
frequency response is not perfectly flat, showing the
response of the cables, as well as the flatness of both
the tracking generator and the analyzer.
Store Ref (1 → 3)
Now press
the displayed trace is now flat, or normalized. The
position of the normalized trace can now be moved to a
different position on the display by changing the
normalized reference position. This may be useful if the
device to be tested has positive gain, such as an
amplifier. Now replace the thru line with the device
Front-Panel Key Reference
Store Ref (1 → 3)
. If
Normalize (On)
Normalize (On)
, the error message:
,
,
More
Normalize
is selected.
Normalize (On)
,
. Notice that
Normalize On
Trace/View
must be
169

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