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U盘、MP3 Player、MP4 Player EMC测试项目: v5 j, i/ ?+ G t5 f
. D; a6 K5 K% ~9 M9 t! B0 Z该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive
, q- e" h& y* X参考标准有:- p/ F% X' f* Q$ a' X% X3 o/ _$ }& \
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EN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment
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' W/ z% I; Q- J/ S2 U( iEN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement
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& A3 ~9 y6 s0 V8 ?7 e c% p产品按照标准测试具体项目如下:
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* C2 w2 v) _' X5 R2 q$ `: j一、 EMI干扰部分测试项目
9 \' R% {3 @3 w' L& o, w$ e4 W4 s% O1 j参照标准 EN55022:1998+A1:2000+A2:20032 o4 A+ D% C, o- c6 T
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1. Terminal voltage:150KHz~30MHz. t7 V" j/ T0 g: b% v+ I
; l0 L. x8 E' d) s9 BFrequency Range (MHz) Limits ( dBuV)* Q. |) t' T% |+ K* w. k; \
Quasi-Peak Average3 S; [9 a1 `# W) U H8 w% X$ _" f
0.150~0.500 66~56 56~46
! l; M! m5 B! M' T# d0.500~5.000 56 46
( Q7 {$ i( \$ g, y" c5.000~30.00 60 50
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2. Limit of Radiated Disturbances : 30MHz~1000MHz
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Frequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
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2 O" }5 n0 B: t8 H: j0 k o230 ~ 1000 3 47) W, V; y* d/ R
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: N$ K. l" b; a* V: W m二、 EMS抗干扰部分测试项目
; q$ R7 L& X6 A参照标准EN55024:1998+A1:2001+A2:2003
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1. Electrostatic discharge:EN61000-4-2
9 R7 }( X# d: _$ d' Z; I# IAir discharge:8kv( ^5 q. E, ?6 o2 H
Contact discharge:4kv/ Y3 L3 }9 g5 Z( ]% w9 A
Performance criterion :B
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9 w+ w t5 D# r8 `* A, I& R2. Radiated Susceptibility:IEC 61000-4-3. p) {1 z& {* \0 D+ O) Y8 r# Z" Y* a
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%
9 a6 W. V1 o" @* z Z8 W7 HPerformance criterion :A& \1 [: u3 ]% ~. K) @( E
3 H+ t' ]7 V U, d$ i3 Z, P3. Electrical fast transients: EN61000-4-4
- o- W0 i$ D, {. j- j& A9 D3 XAC power ports:1KV; 5KHz0 c- X) y: b4 H* y8 Q: }4 X) z
Performance criterion: B
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4. Surge: EN61000-4-5
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Phase to phase ±1kv ±1kv ±1kv ±1kv
1 ~1 L2 e% q% _% R0 bPhase to earth ±2kv ±2kv ±2kv ±2kv, d# U' H2 \6 a6 |
Performance criterion :B
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5. Injected currents: EN61000-4-62 V3 l0 f% H3 D+ B0 y; Q
AC power ports:150KHz~80MHz;3V;1KHz AM 80%0 D; K5 s) m/ E; Q8 ]
Performance criterion :A9 i7 _9 y% N C5 B+ T
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6. Voltage dips and interruptions: EN61000-4-116 Z: n1 Z: M( t1 m6 e
Level U2 td Phase Angle N Pass
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2 30% 1000ms 0/90/180/270 3 C% d+ ~$ y- Q o* O9 t! P8 W4 g% |
3 60% 200ms 0/90/180/270 3 C |
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