388 Chapter 2
Performance Verification Tests
52. First LO OUTPUT Power Accuracy (Option AYZ only)
Procedure
1. Zero and calibrate the power sensor and power meter combination at
50 MHz. Set the power meter for dBm output.
2. Enter the 3 GHz calibration factor of the power sensor into the
power meter.
3. Remove the termination from the First LO OUTPUT connector of
the analyzer.
4. Connect the power sensor to the First LO OUTPUT connector of the
analyzer as shown in Figure 2-72.
5. Press Preset on the analyzer. Press the Factory Preset softkey, if it is
displayed. Set the analyzer by pressing the following keys:
Input/Output, Input Mixer, Input Mixer (Ext)
Mixer Config, Harmonic, –10
SPAN, Zero Span
FREQUENCY, 30 GHz
CF Step, 2 GHz
Freq Offset, 321.4 MHz
System, Alignments, Auto Align, Off
6. Press FREQUENCY, on the analyzer.
7. Read the power displayed on the power meter and record it as
Test Record entry 1 in the Performance Verification Test Record.
8. Press the ⇑ key on the analyzer to select the next center frequency
and First LO frequency.
9. Enter the appropriate power sensor calibration factor into the power
meter as shown in Table 2-107.
10.Read the power displayed on the power meter and record it in the
Performance Verification Test Record as indicated in the Test Record
entry column of Table 2-107.
11.Repeat step 8 through step 10 for the remaining center frequency
and First LO frequencies listed in Table 2-107.