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U盘、MP3 Player、MP4 Player EMC测试项目1 u) H$ \( M: ]" r) @/ {
5 p* R- J- A f3 t6 {; R4 O1 E该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive
* C R4 _; U3 S! a* T7 x2 y. g; h% [参考标准有:: g# N" g8 z+ A& j% x$ e
$ q0 G- Z) T3 P; cEN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment $ G. l4 v% I$ C5 k
: \3 r) ]9 o! c0 A* j1 sEN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement: F! v; z' @; A5 _8 M& @
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产品按照标准测试具体项目如下:
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0 r& K8 l8 T# X0 ]0 P& m一、 EMI干扰部分测试项目8 v7 [0 q% b8 f. F
参照标准 EN55022:1998+A1:2000+A2:2003' }0 x% u7 [) [; Y6 G2 ~& @. H
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/ B d v( ] ~+ w( F$ E' n# [) m8 I1. Terminal voltage:150KHz~30MHz4 Y; p o! v) a' n* o
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Frequency Range (MHz) Limits ( dBuV)
) j; t% x5 g- c/ \$ ]! A: }% W Quasi-Peak Average
- [0 g" T9 ^7 R6 c4 H0 |0.150~0.500 66~56 56~46! y# G# P; t9 `0 M r( i
0.500~5.000 56 46/ `% o2 _+ v& v) o* W: i* [5 J8 u
5.000~30.00 60 502 G# N) E+ {, n: {4 ?8 u: X
# q' m3 j$ G/ V4 d& _+ R2. Limit of Radiated Disturbances : 30MHz~1000MHz8 g7 o) o3 I7 [! u% B7 F
) J1 \+ i* ^ f( J- @! _* B+ G9 i8 JFrequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m), n. c) `, ] d% n1 m j+ E
30 ~ 230 3 40
# p# U% |3 @5 h& G" O230 ~ 1000 3 47
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/ C) W, }" c+ v/ X! q0 g; k二、 EMS抗干扰部分测试项目
; J; l' V' Q& W+ U1 T; W( a参照标准EN55024:1998+A1:2001+A2:20034 d9 p/ j) I/ i% s
% F3 h. m. w, p8 {2 z2 j1. Electrostatic discharge:EN61000-4-28 F' L& R' a! B/ A9 x: F; n
Air discharge:8kv2 Z, @2 w6 N0 e" M" Z1 c& z
Contact discharge:4kv& v+ O9 U0 j" N m, b8 o
Performance criterion :B4 ]5 g# D, W( ~. ~+ @
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2. Radiated Susceptibility:IEC 61000-4-3
& ^! ^6 V( d8 ~5 EFrequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%0 V7 j' n2 n1 L5 N2 K
Performance criterion :A) B, M& K9 f6 Z. C& c7 m
; J/ e5 Z, q7 P1 F. s% @- f. g3. Electrical fast transients: EN61000-4-4
* L+ [/ v5 Y0 n6 U( yAC power ports:1KV; 5KHz
/ h. I' V7 c0 f- _% \Performance criterion: B$ ^1 n/ i& {6 S0 V
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4. Surge: EN61000-4-5
+ p. |" R5 g* r$ B0 F5 S! q AC power ports:6 v* s @! p8 P. y7 P9 I& ^
0 90 180 270
/ h( n2 V. V& d7 PPhase to phase ±1kv ±1kv ±1kv ±1kv
8 _8 j+ t5 q/ t- d- MPhase to earth ±2kv ±2kv ±2kv ±2kv. R/ ^1 q( |6 _" e5 r
Performance criterion :B
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5. Injected currents: EN61000-4-6( E+ E; Y% n$ v/ G* p$ Z+ H8 W! s
AC power ports:150KHz~80MHz;3V;1KHz AM 80%' K8 C- D3 q: C+ b) ^
Performance criterion :A2 m8 |, q9 Z1 l) [6 J, `
% I# }! e. U; x6. Voltage dips and interruptions: EN61000-4-11% ^5 C7 @9 {' L# a/ d- D t
Level U2 td Phase Angle N Pass [8 h, R5 L0 o6 F0 U
1 100% 10ms 0/90/180/270 3 C
# T8 ~6 X4 B f8 m8 \2 30% 1000ms 0/90/180/270 3 C
! d: Y# X( e$ c+ J! h7 Q/ t7 J; R3 ~- P3 60% 200ms 0/90/180/270 3 C |
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