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U盘、MP3 Player、MP4 Player EMC测试项目4 p; F6 H$ R1 v/ J3 M
* Q$ f. }' C& I: y! o% w该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive
* K' v; z! H- v" x参考标准有: j8 b6 ~% [$ p6 g7 _! b( m
. U, s; p' W* N1 v; n6 mEN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment ) H8 j& s( R+ ~ T9 T; }& Q$ n9 X
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EN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement4 n0 v9 ?9 c3 f9 e1 w: [* G( M' N
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. T) p |0 f& ]1 E产品按照标准测试具体项目如下:
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一、 EMI干扰部分测试项目
4 \& j) U J" [3 }# }参照标准 EN55022:1998+A1:2000+A2:2003+ ?/ N) ^) e n( N! }' C; l# r
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1. Terminal voltage:150KHz~30MHz; S7 I6 `* z; o' [4 F) Q& X
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Frequency Range (MHz) Limits ( dBuV)
, p, |7 y9 |1 ^. m) n0 |( Z. A Quasi-Peak Average
" A+ w) Y) N' ^4 p+ N0.150~0.500 66~56 56~469 @5 H& x& Z, R) c- ]9 n( o Q6 H! i
0.500~5.000 56 465 a5 h/ D8 t: O6 ^2 `/ [! k% l' G' a1 D
5.000~30.00 60 501 @; \/ s! }- Z" A$ W \
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2. Limit of Radiated Disturbances : 30MHz~1000MHz
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Frequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
2 k& I/ g. N$ t. s K9 e30 ~ 230 3 401 S1 t9 p$ B8 ]. j0 _" }- s: Y
230 ~ 1000 3 47/ U# Z& ?7 A9 y% {6 V; r; t5 K
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# h/ D9 H$ w7 J; ]8 j3 p+ x. e二、 EMS抗干扰部分测试项目* A9 h9 m0 J) p8 E- ^1 u
参照标准EN55024:1998+A1:2001+A2:2003
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1. Electrostatic discharge:EN61000-4-2. E$ w% m7 c3 U) S' E
Air discharge:8kv
* M2 ^3 \8 N$ U9 ]Contact discharge:4kv) f; w' ~) a j4 p9 K& ^
Performance criterion :B9 X" L. l/ j/ C0 d# K
# x2 g# M. x9 N8 d2. Radiated Susceptibility:IEC 61000-4-3; d$ C2 f0 G5 ^( R
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%
3 N& c& z: b) oPerformance criterion :A/ H: f4 `7 m. q$ B! n$ @2 U0 K
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3. Electrical fast transients: EN61000-4-4. ^. g& s: v$ y5 e1 }
AC power ports:1KV; 5KHz
2 Z) @4 p: ^" i8 t' z0 cPerformance criterion: B
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3 z+ X# O. H' h" ~' O4. Surge: EN61000-4-5
3 K6 }% C0 i' R3 [+ R. ?% z0 ~$ y AC power ports:
1 O# _# {0 f7 F3 Q 0 90 180 270
* n. z; D% {. u! V# }Phase to phase ±1kv ±1kv ±1kv ±1kv
2 x/ d# D' c3 Y# ZPhase to earth ±2kv ±2kv ±2kv ±2kv
7 y1 P9 L0 \2 g2 ^8 c! { Performance criterion :B, \, p$ o% q1 d- l" `9 G6 B# n
( H1 D4 ]$ J3 f1 j# y5. Injected currents: EN61000-4-6
d! j6 t: Q; p# b$ g AC power ports:150KHz~80MHz;3V;1KHz AM 80%
. ?3 [5 v+ Z" t9 {7 \& N6 { Performance criterion :A
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6. Voltage dips and interruptions: EN61000-4-11
$ F* W% R! P$ [. Y0 BLevel U2 td Phase Angle N Pass
3 g }6 H b, t" ^+ T' t1 100% 10ms 0/90/180/270 3 C3 x7 p+ M8 s$ @) ?
2 30% 1000ms 0/90/180/270 3 C
" D: g9 W4 W4 D! {+ Y& i3 60% 200ms 0/90/180/270 3 C |
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