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Understanding EMC - Precompliance
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This video provides a short technical overview of EMC pre-compliance, how pre-compliance testing is performed, and the most common instruments and accessories used in pre-compliance testing.
Timeline:
00:00 Introduction
00:18 About EMC compliance
01:42 Types of EMI testing: conducted vs. radiated
02:53 About compliance testing
04:08 About pre-compliance testing
05:07 From design to compliance
06:15 Requirements for pre-compliance testing
06:46 Test location/site
08:11 Instruments used in pre-compliance testing
08:33 EMI receivers/spectrum analyzers for precompliance
09:45 Limit lines
11:00 Common EMI detector types
12:17 Spectrograms
13:32 Preselection (EMI receivers)
14:58 Time domain scan (EMI receivers)
15:58 Oscilloscopes for precompliance
17:25 Fast Fourier Transform (FFT)
18:28 Comparison of instruments used for precompliance
19:31 Precompliance accessories
19:54 LISN (line impedance stabilization network)
21:04 Antennas
22:28 Near field probes
23:56 Software
25:00 Summary
Timeline:
00:00 Introduction
00:18 About EMC compliance
01:42 Types of EMI testing: conducted vs. radiated
02:53 About compliance testing
04:08 About pre-compliance testing
05:07 From design to compliance
06:15 Requirements for pre-compliance testing
06:46 Test location/site
08:11 Instruments used in pre-compliance testing
08:33 EMI receivers/spectrum analyzers for precompliance
09:45 Limit lines
11:00 Common EMI detector types
12:17 Spectrograms
13:32 Preselection (EMI receivers)
14:58 Time domain scan (EMI receivers)
15:58 Oscilloscopes for precompliance
17:25 Fast Fourier Transform (FFT)
18:28 Comparison of instruments used for precompliance
19:31 Precompliance accessories
19:54 LISN (line impedance stabilization network)
21:04 Antennas
22:28 Near field probes
23:56 Software
25:00 Summary
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