standard cispr20 for EMC

kevin197401

always learn from others, now i share some material with all.
【文件名】:0762@52RD_CISPR20_ED50_B.PDF
【格　式】:pdf
【大　小】:1721K
【简　介】:
【目　录】:
CONTENTS
FOREWORD..........................................................................................................................5
1 Scope and object..............................................................................................................7
2 Normative references .......................................................................................................9
3 Definitions and abbreviations..........................................................................................11
3.1 Definitions .............................................................................................................11
3.2 Abbreviations ........................................................................................................15
4 Immunity requirements ...................................................................................................17
4.1 Performance criteria ..............................................................................................17
4.2 Applicability...........................................................................................................19
4.3 Immunity requirements for the antenna input connector.........................................19
4.4 Immunity requirements for audio connectors .........................................................35
4.5 Immunity requirements for AC mains power connectors.........................................37
4.6 Requirements for immunity to RF voltages ............................................................39
4.7 Immunity requirements for the enclosure port ........................................................41
5 Immunity measurements.................................................................................................49
5.1 General conditions during testing ..........................................................................49
5.2 Performance assessment ......................................................................................51
5.3 Measurement of input immunity .............................................................................55
5.4 Measurement of immunity to RF voltage (common mode) at antenna terminal .......57
5.5 Measurement of screening effectiveness ...............................................................61
5.6 Measurement of electrical transients .....................................................................67
5.7 Measurement of immunity to induced voltages ......................................................67
5.8 Measurement of immunity from radiated fields.......................................................73
5.9 Measurement of electrostatic discharge.................................................................77
6 Interpretation of CISPR immunity limits ..........................................................................79
6.1 Significance of a CISPR limit .................................................................................79
6.2 Compliance with limits on a statistical basis ..........................................................79
Annex A (normative) Specification of the test-TV-set ...........................................................99
Annex B (normative) Specification of filters and weighting network .................................... 101
Annex C (normative) Specification of coupling units and of low-pass filter.......................... 105
Annex D (normative) Matching networks and mains stop filter............................................ 117
Annex E (normative) Construction information for the open stripline and for the mains
and loudspeaker band-stop filter ......................................................................................... 121
Annex F (normative) Calibration of the open stripline ......................................................... 133
Annex G (normative) Ferrite core sizes and materials ........................................................ 139
Annex H (informative) Frequency bands ............................................................................ 141
Bibliography....................................................................................................................... 143