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U盘、MP3 Player、MP4 Player EMC测试项目
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该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive
2 I5 J( G s$ L. m! c参考标准有:# S5 B5 m, g2 y' b, \+ _- v
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EN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment , X$ N4 j$ u7 W2 P4 @9 {- C
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EN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement, C: `, X. F2 e& d5 A% n
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: W" v% R% o, ?% q$ z$ K. O: [) X产品按照标准测试具体项目如下:
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( \# E; u1 I7 Q6 R3 W5 T: X一、 EMI干扰部分测试项目. y9 s& [' m; S" f
参照标准 EN55022:1998+A1:2000+A2:2003
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1. Terminal voltage:150KHz~30MHz. [" ]( X( A5 c/ o% O
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Frequency Range (MHz) Limits ( dBuV)9 j( P w4 W0 C' \ J- P
Quasi-Peak Average' S9 a+ h2 s/ z% s
0.150~0.500 66~56 56~460 K. B9 V7 P3 g. L8 s5 D
0.500~5.000 56 46
( H3 H1 x# P3 I9 _/ a5.000~30.00 60 502 Q0 I2 Y T" H0 x+ p9 H
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2. Limit of Radiated Disturbances : 30MHz~1000MHz+ q3 n$ j) b+ D6 m( l. P
/ B' d/ ^. E' VFrequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)! _4 H3 k# \& Q% ` U; i
30 ~ 230 3 40
0 E! a3 Y4 H1 @: Q230 ~ 1000 3 47/ \( P# h: p- X; ]# z# ?/ H. s
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二、 EMS抗干扰部分测试项目8 U, Q' Z i9 C$ n) J$ |/ \
参照标准EN55024:1998+A1:2001+A2:2003+ r* }+ R! X9 A* `. v M/ m9 V Z
' O+ M- N; n- ?( k1. Electrostatic discharge:EN61000-4-2
$ Y/ Y! C$ G5 ]8 M: z. I$ l2 o( PAir discharge:8kv
! u1 g9 H, F5 |+ I% a9 M' O9 EContact discharge:4kv
+ w. i8 l' W- T% m% Z- ]% wPerformance criterion :B
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5 Z8 ~9 s0 S5 C6 v# V& u- I2. Radiated Susceptibility:IEC 61000-4-30 T9 w8 n4 V7 X" o! k7 E
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%
- g# L5 X% J1 vPerformance criterion :A. ^/ b* |6 L% i) y
, O7 O3 R. C+ ?, Q6 d) Y3. Electrical fast transients: EN61000-4-4, w" H/ f! L0 N* ^. X3 e. Y
AC power ports:1KV; 5KHz
/ p7 f4 P8 B: }0 U f$ e/ b3 yPerformance criterion: B8 ]% {8 z; F( w- q
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4. Surge: EN61000-4-51 U8 g, q. x) [( ]6 |
AC power ports:
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6 ~, @; {% j, Q. h" l8 WPhase to phase ±1kv ±1kv ±1kv ±1kv- t: @! [! R+ m& h4 x4 k8 o
Phase to earth ±2kv ±2kv ±2kv ±2kv" @: b$ g3 d* A
Performance criterion :B
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5. Injected currents: EN61000-4-69 o5 h: k$ I* R; \0 E7 u+ R
AC power ports:150KHz~80MHz;3V;1KHz AM 80%
& x' s0 `3 J5 \( v* K3 S Performance criterion :A! g2 @5 {! L( r0 L7 z8 ]- K
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6. Voltage dips and interruptions: EN61000-4-11
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1 100% 10ms 0/90/180/270 3 C6 _5 h2 ^8 j4 F' f2 x# n
2 30% 1000ms 0/90/180/270 3 C* B% Y3 R! M/ E5 ~' A/ z
3 60% 200ms 0/90/180/270 3 C |
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