Chapter 2 391
Performance Verification Tests
53. IF INPUT Accuracy (Option AYZ only)
Figure 2-73 IF INPUT Accuracy Test Setup
Procedure
Determining the IF Centering Error
1. Preset the synthesized sweeper and set the controls as follows:
CW321.4 MHz
POWER LEVEL–30 dBm
RFOn
2. Connect the synthesized sweeper output to the analyzer
50 Ω Input connector. The analyzer provides the frequency reference
for the synthesized sweeper.
3. Press Preset on the analyzer. Press the Factory Preset softkey, if it is
displayed. Set the analyzer by pressing the following keys:
System, Alignments, Auto Align, Off
FREQUENCY, 321.4 MHz
SPAN, 5 kHz
AMPLITUDE, –30 dBm
BW/Avg, Res BW, 1 kHz
4. On the analyzer, press Single and wait for the sweep to finish.
5. On the analyzer, press the following keys:
Peak Search (or Search)
Marker, Delta
System, Alignments, Freq Correct (Off).