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SIGLENT
112 User Manual
Chapter 7 EMI Measurement
7.1 Introduction
Press Mode, select ‘EMI Measurement’ to enter EMI measurement mode.
The user interface for EMI Measurement mode has three display regions showing information regarding
different setting menus as shown in the figure below.
Figure 7-1 EMI Measurement User Interface
● Region 1#: Spectrum and setting information of scanning.
● Region 2#: Meter graphs, metrics and related setting information.
● Region 3#: Signal list with suspect signals populated by searching.
Meas is the default menu of EMI measurement mode as shown in the Figure 7-2. Sequence is very
important for understanding the philosophy of EMI measurement operation because it aligns with the
CISPR test flow. Figure 7–3 shows the EMI test flow recommended by CISPR 16-2-3. A complete routine
measurement consists of a series of routines, i.e. scanning, search and final measurement.
First, the measurement scans the band based on Scan Config settings specified and activated by the
user to capture interference spectrum. You can have up to three traces running with different detectors
and trace types. You can enable limit lines that the spectrums need to meet, and optionally include a
limit margin.
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