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U盘、MP3 Player、MP4 Player EMC测试项目
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2 B$ j4 ~7 _9 b该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive+ P2 N! E& v4 I1 O
参考标准有:7 a9 T! r5 w( I8 A G
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EN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment
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8 ^- C5 ~* s* x! aEN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement3 U1 p# m2 |+ s( n/ O- T Z& {# ^
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产品按照标准测试具体项目如下: Z X& I1 N: I
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一、 EMI干扰部分测试项目+ C: f; Z/ t- v' |- }, U. x- a; Y
参照标准 EN55022:1998+A1:2000+A2:2003& b9 S$ y' G) F1 w9 y5 y
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+ k+ N2 H8 Q5 I8 E5 w0 G6 \2 O1. Terminal voltage:150KHz~30MHz
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8 n' V5 l: S" m4 g2 O2 Z6 p% bFrequency Range (MHz) Limits ( dBuV)* I6 ]8 W% n/ A2 w- H3 Y- ^6 ^
Quasi-Peak Average
$ ~; J) P1 [5 i/ j0 j7 }3 E4 a0.150~0.500 66~56 56~46, F6 }6 N, c( h
0.500~5.000 56 46$ e! r% z6 O; b; x2 T. ]
5.000~30.00 60 50+ ]- c; r! k: X2 R. z
: N3 h0 w3 X3 I! D) Y' _2. Limit of Radiated Disturbances : 30MHz~1000MHz2 f7 S3 [8 g x. q4 R
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Frequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
! C1 ?3 u- z4 K" d& `30 ~ 230 3 40
, _0 @6 `1 R. {+ N, }, E2 M& L230 ~ 1000 3 47
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5 S: O1 k- C: c* v! [, J二、 EMS抗干扰部分测试项目( @7 r) d! L! O% |9 Y, v, z) A
参照标准EN55024:1998+A1:2001+A2:2003
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9 V1 [$ g$ H1 o m9 u: T! o1. Electrostatic discharge:EN61000-4-2
6 I/ A7 u# l0 b$ pAir discharge:8kv
* B7 e5 @- N- B% d; ]# FContact discharge:4kv
8 g9 n: }; z! M- G% ZPerformance criterion :B% x9 i% c5 `: r
7 x* q- v- u1 Q* T; t" a# `1 t3 B2. Radiated Susceptibility:IEC 61000-4-3
& ~8 L4 i% u1 C1 \, [Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%7 ~- e+ @) }" z) q' g' y, N
Performance criterion :A
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3. Electrical fast transients: EN61000-4-4
* p5 P- A) z) P3 b& x7 }AC power ports:1KV; 5KHz6 Y2 B' o/ A. o v n$ s$ e6 G9 ^6 w
Performance criterion: B" u' @8 l3 F3 D, H0 c& P. ^8 Q
9 q4 Q% X7 }* k9 K, i4. Surge: EN61000-4-5% |8 ~: ?% `4 _$ `' S; x- N
AC power ports:' [2 A1 `1 h$ u
0 90 180 270
5 @1 C) ~" c7 N# _2 p, W+ E' L- @Phase to phase ±1kv ±1kv ±1kv ±1kv
# k# z8 B+ Z1 P% |- yPhase to earth ±2kv ±2kv ±2kv ±2kv" w9 V: Z5 x5 j$ Y8 R
Performance criterion :B: @) X$ C! Y/ j. r
3 `# E* B8 [% N; o. E5. Injected currents: EN61000-4-6- A' J1 E. ~6 e; R' Y
AC power ports:150KHz~80MHz;3V;1KHz AM 80%
% @- G1 w) ]9 }& N, d0 s Performance criterion :A8 Q. M- D( Z$ }. |5 p
& s+ q( ]2 w8 T O6. Voltage dips and interruptions: EN61000-4-110 _, i& ?+ I* Y' C& z: }
Level U2 td Phase Angle N Pass) r$ A" _# y3 _/ }* j% e
1 100% 10ms 0/90/180/270 3 C
0 L6 z9 T) d0 m2 30% 1000ms 0/90/180/270 3 C$ z5 U5 h/ Y2 i I& a
3 60% 200ms 0/90/180/270 3 C |
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