This test verifies that the EMI receiver meets its specification for input related spurious responses. In this test, the source is connected to the RF Input and set for the spur frequency. The source amplitude is measured using a power meter. The source frequency is then moved to the frequency location that will create the spur at the DUT center frequency. The amplitude of the source is kept consistent by using the power meter. The DUT then measures the spurious response at the spur frequency.
The test will be repeated for the following models and options:
N9048B with Option B40
The test is run in IQ Analyzer (Basic) mode since these options are only accessible in this mode. Basic mode has an FFT Residual which is at center screen. This residual is an artifact of the FFT algorithm. In order to prevent the spurious response from landing on the residual, the analyzer center frequency is offset by 100 Hz. This offset places the spur 100 Hz from center screen.
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Test Equipment |
Model Number1 |
|---|---|
|
Microwave Signal Generator #1 |
PSG Models |
|
Power Meter |
N1914A |
|
Microwave Power Sensor
|
N8485A Option STD or CFT |
|
Microwave Power Splitter
|
11667B |
|
Millimeter Power Sensor
|
N8487A Option STD or CFT |
|
Millimeter Power Splitter
|
11667C |
|
Cable, coaxial, 3.5 mm
|
11500E |
|
Cable, coaxial, 2.4 mm
|
8120-6164 |
|
Cable, BNC |
8120-1840 |
|
Adapter, 3.5 mm (f) to 3.5 mm (f)
|
83059B |
|
Adapter, 3.5 mm (m) to Type-N (m)
|
1250-1743 |
|
Adapter, 2.4 mm (f) to 3.5 mm (f)
|
11901B |
|
Adapter, 3.5 mm (f) to Type-N (m)
|
08485-60005 |
|
Adapter, 2.4 mm (f) to Type-N (m)
|
08487-60001 |
|
