Chapter 2 161
Performance Verification Tests
21. Resolution Bandwidth Accuracy
28.Press Marker, Normal on the analyzer.
29.Repeat step 19 through step 28 for each of the analyzer Res BW and
analyzer span settings listed in Table 2-39.
30.Subtract the Lower Marker Frequency from the Upper Marker
Frequency. Record the difference as the 6 dB bandwidth, in the
performance verification test record as indicated in Table 2-39.
Post-test Instrument Restoration
31.Remove the RF cable from the analyzer input connector.
32.Press Preset on the analyzer. Press the Factory Preset softkey, if it is
displayed. Press System, Alignments, Auto Align, All.

6 dB Bandwidth Upper Marker Frequency Lower Marker Frequency–=

Table 2-39 6 dB Resolution Bandwidth Accuracy
Column 1 Column 2 Column 3 Column 4 Column 5
Analyzer
Res BW
Analyzer
Span
Lower Marker
Frequency
Upper Marker
Frequency
Test Record
Entry
3 dB
Bandwidth
120 kHz 180 kHz 10)
9 kHz 13.5 kHz 11)