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U盘、MP3 Player、MP4 Player EMC测试项目
5 Y$ H% D# T0 @4 O" Q7 f: a* z/ K0 J) I$ L5 y& P4 ]4 J
该产品应满足的欧洲指令：89/336/EEC Electromagnetic Directive5 V4 ]- k& y6 U `
参考标准有：2 W6 F+ |9 {3 D! m5 c, D5 b
+ |, U% l# q. mEN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment
0 D4 o, g. U o; P$ `( s
( U9 D. K/ Y1 c- D( J# U# ~8 LEN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement4 m& ~" F4 A3 C$ C' F
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产品按照标准测试具体项目如下：
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& h1 a/ l- \/ Z j) j一、 EMI干扰部分测试项目
* t' F5 x6 B! V2 O, `参照标准 EN55022：1998+A1:2000+A2:2003$ q& T; z2 `. `# g v- R o' V
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( e5 c" `% H* c8 g5 w( D1. Terminal voltage:150KHz~30MHz2 ^# o# T3 S5 R' E2 G8 t
/ [: o7 V( Z' J9 A- pFrequency Range (MHz) Limits ( dBuV)) b" A. G- Q" Z# E0 h
Quasi-Peak Average2 l0 k" r% B+ F7 W/ M1 Y a$ x
0.150～0.500 66～56 56~46
: S* Q+ ]0 U) E: h5 K7 S7 @( }0.500～5.000 56 46+ p. a1 J5 Z C$ T
5.000～30.00 60 503 B* h) y$ `' P4 s
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2. Limit of Radiated Disturbances : 30MHz~1000MHz" z1 N% z4 Y) \9 e7 j& U
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Frequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
# V! F7 q8 Z# g$ [2 j) w- {30 ~ 230 3 40
" \1 b& ? b% H230 ~ 1000 3 47
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% I" e8 h, e) k2 _; Z二、 EMS抗干扰部分测试项目
5 p! }" k2 l& ~6 H5 q; T0 P参照标准EN55024:1998+A1:2001+A2:2003
4 C0 k; p& Q) O( `! [- v" C6 f% b
7 E: d; C, \* d1 `" V' P1. Electrostatic discharge:EN61000-4-2) u; C, S9 C; L
Air discharge:8kv
& ?! U7 ]( Z' _( h- b/ E7 lContact discharge:4kv' I+ q* n' ]( ^' M3 X- _. k* @
Performance criterion :B
3 ^; f" z. k: ~5 ?5 V1 k5 e/ i
# z% I* x+ b0 G3 N* Z2. Radiated Susceptibility：IEC 61000-4-3: D. i& Q) A9 r
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%% t. B( o$ u2 S, Q, \1 K* M2 P6 X
Performance criterion :A7 e8 S5 s/ s2 o
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3. Electrical fast transients: EN61000-4-4
, f* ]- l& k* {( a- r% W0 LAC power ports:1KV; 5KHz
5 }* D9 a$ s" Q$ N# }+ IPerformance criterion: B7 g. P8 n, F) i1 s& b3 a( G
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4. Surge: EN61000-4-5; x* y% t* {4 r9 b/ ]5 M. K3 _
AC power ports:3 D W% @/ ~, o: E w6 f* |
0 90 180 270- O6 M a* Z0 M% ~6 V+ E" n( o
Phase to phase ±1kv ±1kv ±1kv ±1kv
- m8 Q) Q6 e2 C* v) kPhase to earth ±2kv ±2kv ±2kv ±2kv5 _+ @* X& K* t
Performance criterion :B
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5. Injected currents: EN61000-4-6
3 E& n, K4 t6 s AC power ports:150KHz~80MHz;3V;1KHz AM 80%
' M3 t0 ?$ f! P6 y Performance criterion :A
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+ a8 L6 C% x2 f0 g# y6. Voltage dips and interruptions: EN61000-4-11
0 e( q# K5 y# o n6 `- w/ t2 OLevel U2 td Phase Angle N Pass" s5 `. L9 @" ^6 C( x$ Q3 t7 y
1 100% 10ms 0/90/180/270 3 C) g) X. C/ t9 F4 k
2 30% 1000ms 0/90/180/270 3 C* {" K o, W; T( B8 d& x( M* A6 B
3 60% 200ms 0/90/180/270 3 C |
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