信息技术辐射发射标准 CISPR22(2008)

yz830802 · 发表于 2011-10-23 22:31:03

CONTENTS
FOREWORD..........................................................................................................................5
INTRODUCTION....................................................................................................................7
1 Scope and object ..............................................................................................................8
2 Normative references........................................................................................................8
3 Definitions ........................................................................................................................9
4 Classification of ITE........................................................................................................10
4.1 Class B ITE ...........................................................................................................11
4.2 Class A ITE ...........................................................................................................11
5 Limits for conducted disturbance at mains terminals and telecommunication ports..........11
5.1 Limits of mains terminal disturbance voltage ..........................................................11
5.2 Limits of conducted common mode (asymmetric mode) disturbance
at telecommunication ports ....................................................................................12
6 Limits for radiated disturbance ........................................................................................13
6.1 Limits below 1 GHz................................................................................................13
6.2 Limits above 1 GHz ...............................................................................................13
7 Interpretation of CISPR radio disturbance limit ................................................................14
7.1 Significance of a CISPR limit .................................................................................14
7.2 Application of limits in tests for conformity of equipment in series production..........14
8 General measurement conditions ....................................................................................15
8.1 Ambient noise........................................................................................................15
8.2 General arrangement.............................................................................................15
8.3 EUT arrangement ..................................................................................................18
8.4 Operation of the EUT .............................................................................................20
9 Method of measurement of conducted disturbance at mains terminals and
telecommunication ports .................................................................................................21
9.1 Measurement detectors .........................................................................................21
9.2 Measuring receivers ..............................................................................................21
9.3 Artificial mains network (AMN) ...............................................................................21
9.4 Ground reference plane .........................................................................................22
9.5 EUT arrangement ..................................................................................................22
9.6 Measurement of disturbances at telecommunication ports ......................................24
9.7 Recording of measurements ..................................................................................28
10 Method of measurement of radiated disturbance .............................................................28
10.1 Measurement detectors .........................................................................................28
10.2 Measuring receiver below 1 GHz............................................................................28
10.3 Antenna below 1 GHz ............................................................................................28
10.4 Measurement site below 1 GHz..............................................................................29
10.5 EUT arrangement below 1 GHz..............................................................................30
10.6 Radiated emission measurements above 1 GHz.....................................................30
10.7 Recording of measurements ..................................................................................30
10.8 Measurement in the presence of high ambient signals............................................31
10.9 User installation testing..........................................................................................31
11 Measurement uncertainty................................................................................................
【文件名】:111023@52RD_CISPR 22 (2008).pdf
【格　式】:pdf
【大　小】:2279K
【简　介】:
【目　录】:

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