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U盘、MP3 Player、MP4 Player EMC测试项目
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# o/ T/ g3 \ a) b* ^% g7 [该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive
, O8 {- E5 A4 f+ Y3 a6 E0 x参考标准有:4 z0 N v r7 o" n3 l! n# S$ h9 l5 C8 s
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EN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment 6 |* c9 [1 S6 k
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EN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement
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2 G+ I3 t+ K* C9 l产品按照标准测试具体项目如下:
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4 f* ]+ e, J+ _6 X% }% N一、 EMI干扰部分测试项目
# J! A5 @* V* M, E参照标准 EN55022:1998+A1:2000+A2:2003
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1. Terminal voltage:150KHz~30MHz! q y' W/ G$ D- l- C3 }
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Frequency Range (MHz) Limits ( dBuV)
% R- f% H2 l+ m; G* Z6 ^ Quasi-Peak Average
0 e2 p' _7 H V2 q0 r8 N0.150~0.500 66~56 56~46
0 V( T9 I v4 G6 @0.500~5.000 56 46
7 d* {8 m% b+ }& R8 ^* {5.000~30.00 60 50
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1 h8 W6 N" v) e7 B' B+ e( P2. Limit of Radiated Disturbances : 30MHz~1000MHz! e& B1 `+ G# j2 U8 E% I! s5 X
1 r# t! @9 u! KFrequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
0 z1 Y) m$ N) M( V: g30 ~ 230 3 40
: g1 S. j& p" R7 _230 ~ 1000 3 47
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二、 EMS抗干扰部分测试项目
! c ?9 M) {% d/ Z) q- f7 d参照标准EN55024:1998+A1:2001+A2:2003
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; d" p; T1 h9 W" i& \% n1. Electrostatic discharge:EN61000-4-20 F- e' v9 w7 Z8 j: j9 l
Air discharge:8kv
* ]- u5 z! ^0 ]) o* S& Q: QContact discharge:4kv
. v8 C6 Y1 x& [) CPerformance criterion :B
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! J4 i; [0 X9 q; j1 p/ I2. Radiated Susceptibility:IEC 61000-4-33 V- M) Z' Q! P# Z9 ]+ u8 T$ N
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%% F- j$ K0 I. V
Performance criterion :A
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. c4 m/ D- S- w7 \3. Electrical fast transients: EN61000-4-46 F% C, u, P1 Z8 c, T
AC power ports:1KV; 5KHz
3 c1 g Y1 ^+ D; S2 N& i7 `Performance criterion: B# l& u+ J( n% V; t, h8 Q* ~
A" g+ E5 [. k% e* B) j4. Surge: EN61000-4-5+ A- t5 \3 ?$ m$ [4 |! _7 p5 d
AC power ports:
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Phase to phase ±1kv ±1kv ±1kv ±1kv) w' o4 H- O4 m8 D1 s9 G
Phase to earth ±2kv ±2kv ±2kv ±2kv
0 ]1 Y- J" C) ^8 N1 `# V. A Performance criterion :B
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5. Injected currents: EN61000-4-6
/ t* x: D |5 l9 q' Y: t# w AC power ports:150KHz~80MHz;3V;1KHz AM 80%
0 [* f0 H: g$ l, F; m4 H Performance criterion :A3 o# X8 A$ w y0 M' W! C
5 ]: a5 B+ k# E- o. b6. Voltage dips and interruptions: EN61000-4-11
; g( Z( c" u8 E3 Q9 oLevel U2 td Phase Angle N Pass
9 `4 o5 `5 S5 @ p. E1 100% 10ms 0/90/180/270 3 C$ c+ r5 X' r0 ^
2 30% 1000ms 0/90/180/270 3 C
$ L+ ]$ X) e) l9 U+ f$ r3 60% 200ms 0/90/180/270 3 C |
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