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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 Directive8 m- }$ Z' w0 I1 }* ~4 J
参考标准有：5 U$ K. X0 V: R- e
- p4 o1 ~- l3 M( e' ]- B! JEN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment
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EN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement, H Q7 L" H4 K9 t' b# [4 y
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. E1 D" y& _0 \ L' S' M6 M) @产品按照标准测试具体项目如下：( ?' s8 e1 q9 V) {3 [& v4 R
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一、 EMI干扰部分测试项目9 p/ T0 G) c; V6 ]7 O
参照标准 EN55022：1998+A1:2000+A2:2003- e+ B$ _+ X4 U
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1. Terminal voltage:150KHz~30MHz; y" R2 ~$ Y$ P) U
5 R1 K( [; P- J( f% s4 Q$ N+ U$ \8 a! xFrequency Range (MHz) Limits ( dBuV)
- r( v$ U6 q; y Quasi-Peak Average" F; l6 B, Z! I4 A
0.150～0.500 66～56 56~46
o2 O" C" G& D! ~. K0.500～5.000 56 46
$ H$ d X; K @. n5.000～30.00 60 50" Q4 e0 i! W2 b7 U( S4 d
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2. Limit of Radiated Disturbances : 30MHz~1000MHz. B' j% Z) ?- [4 e4 }
' p p3 \" _' T: L" u h) J% E# H& KFrequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)7 }: ~4 D* c4 K7 e3 N$ p( k
30 ~ 230 3 40( z2 b6 [- V$ q4 d5 t7 s& c
230 ~ 1000 3 47& g( K' F9 E$ B
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1 V' ^! H' @- j% k二、 EMS抗干扰部分测试项目9 w4 A/ x b! D1 u2 O) }4 P
参照标准EN55024:1998+A1:2001+A2:2003
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9 y4 \( H; a6 J1 O3 y8 i0 p1. Electrostatic discharge:EN61000-4-2
$ \) U1 Z/ G) m" c3 i+ lAir discharge:8kv) R* Y/ ~& W& M O: Z9 l
Contact discharge:4kv* u! p2 e2 f% u$ V
Performance criterion :B: f! w7 D0 m0 h; |- D$ V+ d
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2. Radiated Susceptibility：IEC 61000-4-3$ c! q P, m3 U& i$ p) | }3 G# E
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%" u/ w4 c: }/ M
Performance criterion :A0 N' T4 \2 Z8 {. q
6 h, s6 y1 y# T; g- R* @4 ?% L3. Electrical fast transients: EN61000-4-4
?/ S6 {( Y' u4 X- U- d' q' ]AC power ports:1KV; 5KHz# V0 k9 n8 E! N2 p2 k
Performance criterion: B& b8 ~+ E& ~* Z! b3 t, _1 `
1 ]7 b' F0 z( @% M4. Surge: EN61000-4-5
L0 d' t" u f/ c% e AC power ports:, i( h' T d' E9 @3 x
0 90 180 270
( W: o7 Z! ]$ P; NPhase to phase ±1kv ±1kv ±1kv ±1kv
5 z3 D0 S2 G6 M% _ e! V3 r2 a& QPhase to earth ±2kv ±2kv ±2kv ±2kv
- O1 g$ [! o9 N* @- p \) M+ L Performance criterion :B0 L6 }4 \. d: } _) k% C! \
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5. Injected currents: EN61000-4-66 p6 ]- ^' v/ z6 J1 i4 i
AC power ports:150KHz~80MHz;3V;1KHz AM 80%
0 c8 c* k& o$ W4 \7 N; _ Performance criterion :A
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( S k3 \3 f z1 s6. Voltage dips and interruptions: EN61000-4-114 W7 T. R' u# S% ?
Level U2 td Phase Angle N Pass
* W8 u( E. b, q: a# _8 U, b( T% _! @+ C1 100% 10ms 0/90/180/270 3 C
i S- n4 [) M- q# i0 c- K0 r2 30% 1000ms 0/90/180/270 3 C
3 S$ r- e5 e g! h' t# y3 60% 200ms 0/90/180/270 3 C |
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发表于 2008-9-28 21:08
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