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U盘、MP3 Player、MP4 Player EMC测试项目. ^! ~' L- t4 G; f" G
' d& u# p; D6 ~该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive
& U- S( e- S, w6 {$ G, j参考标准有:+ X, v$ A7 \8 ]- o% ?
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EN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment 7 H) L( N, l& N9 Z* I- K
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EN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement2 |: t6 h. o2 g0 C
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* T/ |! H# X: P6 _: G7 B! ~产品按照标准测试具体项目如下:& u' t5 v% h L( v# x( J
$ Q7 O( H+ g3 |. w一、 EMI干扰部分测试项目" N+ @$ u* j( S8 M2 o/ v3 j4 ~8 o
参照标准 EN55022:1998+A1:2000+A2:2003# g+ ]( r, T e" d1 u# O8 u$ n6 }
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1. Terminal voltage:150KHz~30MHz+ K1 q& y2 U# m: m3 k
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Frequency Range (MHz) Limits ( dBuV)
8 X3 J( S8 e% x- K$ Q* w7 {: Y! f Quasi-Peak Average
0 ` p1 v7 f' M- @1 n( p$ g0.150~0.500 66~56 56~46
5 t* J) l* |8 G, _0.500~5.000 56 46, k" c4 ^$ E0 p; g* u/ m8 m Y
5.000~30.00 60 50
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h' A. t, M# D7 c2. Limit of Radiated Disturbances : 30MHz~1000MHz8 c; T0 ^% X$ j, a& r, p" D2 {! s. s
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Frequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
( F. Y4 P- r, S# P30 ~ 230 3 40: j( K9 h5 ]4 ^# r' `3 z
230 ~ 1000 3 47
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# N1 Z7 w* j- y二、 EMS抗干扰部分测试项目' s" n. t- ?8 t9 M
参照标准EN55024:1998+A1:2001+A2:2003
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2 y. H; P4 [; y8 T1. Electrostatic discharge:EN61000-4-2$ N2 W( a$ h( D) V* z
Air discharge:8kv
. Q3 g* G; K6 a8 p5 D; gContact discharge:4kv
; k6 P- r# u. n! Y% BPerformance criterion :B
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1 I6 K$ k) L+ C* i8 Z8 ^$ K2. Radiated Susceptibility:IEC 61000-4-3
# q5 Q0 V" T& b, h- QFrequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%/ Z, b$ k" Y: Y) w: G' q/ i- {
Performance criterion :A4 G! h0 [& o' C4 [/ L/ o
8 r5 W9 j4 V6 u8 z& `0 h4 P! r" ]3. Electrical fast transients: EN61000-4-4
- Q7 A0 P( t/ I( v% ~AC power ports:1KV; 5KHz
$ h% V: n8 u- ?- IPerformance criterion: B
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4. Surge: EN61000-4-5
3 T# |! X T( V; ` AC power ports:
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Phase to phase ±1kv ±1kv ±1kv ±1kv
5 X& e# K: v- b1 o$ |Phase to earth ±2kv ±2kv ±2kv ±2kv
( a/ @5 R7 }4 L: [: l& i Performance criterion :B# a3 G7 c8 g4 v$ ~/ o$ T, s
2 }# L5 O; O2 ^! `0 t) A5. Injected currents: EN61000-4-6
7 ?; q- r1 f! c5 J: b$ Q1 x; c AC power ports:150KHz~80MHz;3V;1KHz AM 80%# ^; {1 P. O' M
Performance criterion :A
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6. Voltage dips and interruptions: EN61000-4-11
) y/ o! ?8 K vLevel U2 td Phase Angle N Pass
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2 30% 1000ms 0/90/180/270 3 C. p5 y" n3 a+ Y1 g/ s9 F
3 60% 200ms 0/90/180/270 3 C |
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