Chapter 5 25
Amplitude Accuracy at 50 MHz
Procedure
Procedure
1. Zero and calibrate the power meter.
2. Configure equipment as shown in Figure 5-1, with the power splitter
connected directly to the signal analyzer input through the adapter.
CAUTION To minimize stress on the test equipment connections, support the power
sensor.
3. If the auto alignment for the analyzer has not been performed within the
past 24 hours, press System, Alignments, Align Now, All to perform the
auto alignment routine.
4. Press Mode, Spectrum Analyzer, Mode Preset on the analyzer.
5. Set up the synthesized sweeper by pressing:
CW, 50, MHz
Power Level, -4, dBm
RF (On)
6. Set up the signal analyzer by pressing:
Input/Output, More, Freq Ref In, External
FREQ Channel, Center Freq, 50, MHz
SPAN X Scale, 2, MHz
AMPTD Y Scale, Attenuation, Mech Atten, 10, dB
Input/Output, RF Input, RF Coupling, select DC (except Options
543, 544, 550)
Sweep/Control, Sweep Setup, Swp Time Rules, SA - Accuracy
Meas Setup, Average/Hold Number, 20, Enter
Trace/Detector, Trace Average
Single
7. Perform the following steps for each row listed in Table 5-1:
a. Set the synthesized sweeper amplitude to the value listed in the
Nominal Source Amplitude column in Table 5-1
b. Set the Mech Atten as indicated in the Attenuation column in Table
5-1
c. Set the Span as listed in the Span column of Table 5-1
d. Record the synthesized sweeper amplitude, as measured by the
power meter, in the Power Meter Amplitude column of Table 5-1
e. On the signal analyzer, press Restart.
f. Wait for the signal analyzer to finish averaging.
g. Press Peak Search.
To Next Page
Loading...
Need help?
General
