Keysight N9038A MXE Service Guide 711
Tests
Quasi-Peak Detector Accuracy
7. Set the IGUU 2916 EMI pulse generator to output a 100 MHz Sine Wave
signal.
8. After allowing the power meter to settle, record the reading in Table
22-27under the Power Meter column.
Initial Setup
1. Setup the equipment as shown in Figure 22-10.
2. Make sure that the EMI receiver is in the spectrum analyzer mode by
pressing Mode, Spectrum Analyzer.
3. Make sure that the auto alignment routine in the EMI receiver is on by
pressing System, Alignments, Auto Align, Normal.
4. Put the instrument in a known state by pressing Mode, Spectrum
Analyzer, Mode Setup, More, Restore Mode Defaults, OK.
5. Set all input / output setting to their default state by pressing System,
Restore Defaults, Input / Output Settings, OK.
Band A Testing
1. Set the IGUU 2916 EMI pulse generator to output a 100 kHz Sine Wave
signal.
2. Connect the IGUU 2916 EMI pulse generator Output Sine Wave Generator
to the EMI receiver RF Input.
3. Preset the EMI receiver by pressing Mode Preset.
4. Tune the receiver to 100 kHz with a span of 0 Hz by pressing FREQ
Channel, Center Freq, 100 kHz then SPAN X Scale, Zero Span.
5. Set the Sweeptime to 2 seconds by pressing Sweep / Control, 2 s.
6. Set the RF Coupling to DC by pressing Input / Output, RF Input, RF
Coupling DC (instruments with Option 544 are always DC coupled so this
step is skipped for them.)
7. Set the amplitude units to dBμV by pressing AMPTD Y Scale, More, Y Axis
Unit, More, dBμV.
8. Set the reference level to 80 dBμV by pressing AMPTD Y Scale, 80 dBμV.
9. Change the detector used by the EMI receiver to Quasi-Peak by pressing
Trace / Detector, More, Detector, More, Quasi Peak.
10.Turn on the marker by pressing Marker.
11.Record the marker value in Table 22-27 as the Measured value for Band A.
12.Calculate the Error with the following formula and enter the value in Table
22-27
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