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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
; i, D, ]- B- k, V9 y& }参考标准有:* g+ W' }5 x7 a* s! B
q: p! W" f; X. ?EN 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, R- }0 l# W2 u! S+ R
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产品按照标准测试具体项目如下:
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- d* ?( d/ V) }4 K& j0 x6 ?- s一、 EMI干扰部分测试项目4 y6 g6 a; i7 C& q; D- y
参照标准 EN55022:1998+A1:2000+A2:2003' \. w/ U. Z3 h# F9 K
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6 H' C: k' f- B0 h1. Terminal voltage:150KHz~30MHz t5 I4 I+ X3 `
6 R$ r B4 J7 G! wFrequency Range (MHz) Limits ( dBuV); p0 p8 w; u7 q0 {
Quasi-Peak Average3 r5 A. ?* Z% [; g7 o2 c6 o F0 E% n
0.150~0.500 66~56 56~46 {& Z0 Y% l* e7 V0 C1 k5 ?
0.500~5.000 56 46
( z2 a( K7 t/ T7 h# z; N5.000~30.00 60 50
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2. Limit of Radiated Disturbances : 30MHz~1000MHz, l3 n; Z9 f0 j; X
- @, I, E/ ]" T1 b+ a4 aFrequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m), ?$ u' I, Y, g$ G! \
30 ~ 230 3 40+ R* @# E. d' K- l
230 ~ 1000 3 47+ K) E8 D8 P2 ?4 v) z6 ~
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二、 EMS抗干扰部分测试项目1 q0 B/ d% p1 y5 y: T/ m1 G3 G
参照标准EN55024:1998+A1:2001+A2:20038 n0 Z5 x1 V4 i9 P: E ~% I
# u1 i* v( Y+ p1 x8 G0 Z1 X$ H1 C1. Electrostatic discharge:EN61000-4-2% k& @* G$ j+ D
Air discharge:8kv( H! f2 g3 n5 z q
Contact discharge:4kv: D3 ~. g- ]/ Q) g. S! h0 b
Performance criterion :B9 S& a( w3 ~5 z; Y
q5 w0 v/ T# G, e* x4 z, X2. Radiated Susceptibility:IEC 61000-4-3
/ i7 M9 L* [3 ^2 ]; `; ~Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%
! i, S9 t3 I# E7 l2 C( qPerformance criterion :A( a4 r7 U" q, F9 n" X
7 d4 r5 V1 X9 q% m0 [2 a3. Electrical fast transients: EN61000-4-4$ |7 m+ |! D, i' A; b; p
AC power ports:1KV; 5KHz0 Z2 l/ |. {5 u! g7 _" k: m
Performance criterion: B E1 H3 y9 |" a0 e4 R! T0 o
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4. Surge: EN61000-4-5( k8 K. W/ V) ?1 L' y
AC power ports:9 {3 B2 |3 _' m+ i" ?
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Phase to phase ±1kv ±1kv ±1kv ±1kv3 r7 p- V2 }+ u, v- x/ u
Phase to earth ±2kv ±2kv ±2kv ±2kv
1 f! A$ P; B7 V7 h2 I( p Performance criterion :B, b2 ]# P6 {+ K* x' |# {0 X
! K6 j+ W$ X9 Q' J- ]. O5. Injected currents: EN61000-4-6
& l9 i! t6 e1 s' u$ \ AC power ports:150KHz~80MHz;3V;1KHz AM 80%
5 L! n' |$ I0 R* R6 V7 Y' Y" m Performance criterion :A, d) K' {2 L0 i; r9 j" Q( n
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6. Voltage dips and interruptions: EN61000-4-113 k8 D5 y9 v7 B5 g, {% ]" P/ ~
Level U2 td Phase Angle N Pass
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2 30% 1000ms 0/90/180/270 3 C% I/ Q h- l, X+ h
3 60% 200ms 0/90/180/270 3 C |
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