|
|
U盘、MP3 Player、MP4 Player EMC测试项目$ y4 p) [/ R" ?4 M7 d H) x8 r9 Z
' E6 }" E5 R, a该产品应满足的欧洲指令：89/336/EEC Electromagnetic Directive' E Y$ U/ ^/ B+ P' J; L2 d
参考标准有：
" C& } ]7 R% w) ?8 a$ S( |* U. _0 S* S) ^
EN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment E, j, X) y) Z! l% i: \
/ H& h/ R' O% h4 K; `' [3 c& f
EN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement
% \: D6 i1 r) Y/ y8 Q* @& h- C% q, e- x& d; \* R4 v# n1 }
6 P/ d* L% ~0 O6 P8 f2 R- k7 c/ `, \
产品按照标准测试具体项目如下：
$ i, k4 {' M$ H/ v; E! v: b' H% l+ _% Y0 H- N) g
一、 EMI干扰部分测试项目% Z- n7 {# m8 U8 V; `
参照标准 EN55022：1998+A1:2000+A2:2003
6 _4 ?0 _" t+ Y, L7 B/ P9 W% {" e0 T' b6 c+ x
8 }; ]" J/ i3 ~. T8 D. }1. Terminal voltage:150KHz~30MHz
) o) T% I l+ S3 n3 g$ I
5 B# J9 N% D$ p9 AFrequency Range (MHz) Limits ( dBuV)4 B8 R) D( H! k; W3 o! ?$ h
Quasi-Peak Average& t+ U5 `: b' l
0.150～0.500 66～56 56~46
' j! w. `6 S3 v- Y% Z9 a5 |0.500～5.000 56 46
2 t- W1 r; v z# W5 r- G$ f5.000～30.00 60 50
" F2 R( G. N! b' h [+ X5 ~, ^+ z/ `+ E! T
2. Limit of Radiated Disturbances : 30MHz~1000MHz& b0 n8 X) E4 m
& d2 k( \" @0 J8 }0 G5 W
Frequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
. ~; B8 p7 F/ o30 ~ 230 3 40
1 T3 y) L* F+ ~230 ~ 1000 3 478 E8 B# ], x, D4 Q
$ c8 l. G. X/ C& Y7 E6 d+ R, F+ ^$ e# D. B9 N: n
1 v0 V' L& M- U$ }2 f n! K$ m0 Y: H
2 _; }! K7 X5 V; H4 G9 E
* ^ v8 ~# J+ |) o1 t6 h
% _3 E& t) T( u8 ?$ r: N
4 ]# i& J! y: j2 _$ h" s# w9 S5 y
0 S1 x& S4 a) g: D8 y5 Y$ |4 J H, y8 v( B( |
二、 EMS抗干扰部分测试项目
$ z0 t; D- {9 d; s. i# g参照标准EN55024:1998+A1:2001+A2:2003, J* M+ k: K+ Q
6 k2 B" }: b+ q) T+ q1. Electrostatic discharge:EN61000-4-2, S% M6 o, {4 ~" a
Air discharge:8kv$ w& X( e. T. L# B* C" `
Contact discharge:4kv
$ J* S0 L7 b/ q$ S) l2 ~7 H& |Performance criterion :B# o# q' A; C N% `6 k2 }: `
% ^, {0 {5 m- }" Q: d9 o2. Radiated Susceptibility：IEC 61000-4-3; j$ ]8 _: {$ l# Z0 {
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%
9 Q3 a8 ?% p3 l& V) fPerformance criterion :A
; C( u- ~ O& A+ H + y3 E2 g8 @* ] k; c4 m$ w
3. Electrical fast transients: EN61000-4-4; `/ `9 \/ e) @
AC power ports:1KV; 5KHz5 Q5 `$ O n9 K* a t, S0 }( k& a/ V
Performance criterion: B0 ` l% |2 f; s2 {- X; e, Q
/ U2 F6 b& _. O" |3 f) k3 P
4. Surge: EN61000-4-5+ Z/ Y8 P' ~* n3 d/ v5 ]- q
AC power ports:- P- }4 h3 E9 O6 M7 _8 c7 L6 ` p6 w
0 90 180 270
9 H% b' H# Q- @& U7 ~Phase to phase ±1kv ±1kv ±1kv ±1kv9 w! A, b! b& F, w% F
Phase to earth ±2kv ±2kv ±2kv ±2kv& x( I3 l2 O( k- a6 d# w1 w/ p
Performance criterion :B! w, ^7 D0 J8 C. I
8 I6 E7 F2 {1 ? v1 f# U
5. Injected currents: EN61000-4-60 c$ S& t0 G+ l" `% c, T
AC power ports:150KHz~80MHz;3V;1KHz AM 80%
# O3 f) c Z% E% z Performance criterion :A
. U) K6 t$ {, h. E! X( I2 ~# L2 B7 J
6. Voltage dips and interruptions: EN61000-4-11- R( @. U2 s8 `6 E5 N
Level U2 td Phase Angle N Pass
; e H: B: j! F- Z5 f1 100% 10ms 0/90/180/270 3 C, q+ k; ]$ J6 D# B& z% y4 s5 v
2 30% 1000ms 0/90/180/270 3 C5 L) _4 n& H J% O& y) v
3 60% 200ms 0/90/180/270 3 C |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2008-9-28 21:08
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡