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U盘、MP3 Player、MP4 Player EMC测试项目
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) ^3 a5 L& [' f( x- k2 i' D6 l该产品应满足的欧洲指令:89/336/EEC Electromagnetic Directive
M [' M2 z M& H1 E8 P参考标准有:
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EN 55022: Limits and methods of measurement of radio disturbance characteristics of information technology equipment * L# z2 p, v% Z+ A* c/ d( Q! c
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EN 55024 Information technology equipment - Immunity characteristics - Limits and methods of measurement
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2 @1 Q: ^3 @6 {4 c产品按照标准测试具体项目如下:
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一、 EMI干扰部分测试项目
# ~, w! e3 |# l) ]: B! E参照标准 EN55022:1998+A1:2000+A2:2003# H2 b2 Y$ J8 Z# @8 f& s4 B
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1. Terminal voltage:150KHz~30MHz
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Frequency Range (MHz) Limits ( dBuV)
C4 d5 }8 H: B% ~( {3 H9 U( }' a' Q Quasi-Peak Average
: B9 V- V: z1 b0 i, T4 u0.150~0.500 66~56 56~46
; ~* t! h$ m" C3 s$ }! Z! }0.500~5.000 56 46: w. q9 |2 X8 X* \: [; }
5.000~30.00 60 50* h0 I8 ~) f8 a' y1 A6 O+ [
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2. Limit of Radiated Disturbances : 30MHz~1000MHz
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. b F' _8 t( W# ]5 TFrequency (MHz) Distance (Meters) Field Strengths Limits (dBV/m)
0 `6 [" l3 c8 Z3 R8 L& {, S9 a30 ~ 230 3 40
- e! C0 J8 d8 S5 s230 ~ 1000 3 47# D, ^3 c9 f+ W# d# N, o
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5 ~& z" ^# w: P) b3 N: i6 Q二、 EMS抗干扰部分测试项目. S9 u$ t& ~% |! M7 v* c& N
参照标准EN55024:1998+A1:2001+A2:20037 ]# k! {+ q4 \; B" D
8 V4 f. ^: A( B7 x0 l1. Electrostatic discharge:EN61000-4-2
: D& G, b# W: x t! GAir discharge:8kv V$ ? w @& ]- ]- h, c
Contact discharge:4kv. v' Q) L Q; P- v" f! Y
Performance criterion :B: Y0 y- c5 |& Y5 L6 ?3 _4 D* t$ l
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2. Radiated Susceptibility:IEC 61000-4-35 d0 T( ? e2 R# w/ q5 P
Frequency range:80MHz~1000MHz; 3v/m;1KHz AM 80%
" T, @9 ~* P, b: l9 _' U& bPerformance criterion :A1 p! n* a) Z. F z! Q6 R+ G% U
. u+ m7 Z! i7 Z0 W: k2 E3. Electrical fast transients: EN61000-4-4
: U5 H+ T2 @# ^% w7 WAC power ports:1KV; 5KHz
7 p, f3 U8 K; o( x: bPerformance criterion: B; `1 ?0 o3 X2 u" C9 B. s, w- D8 l3 l3 g( d
/ K& [4 ]9 N7 c. G2 g! ~6 Q$ h) t! `4. Surge: EN61000-4-5
; p1 ?8 s/ ^4 v. {' k c- i/ r- x AC power ports:5 Y t/ B! x$ M z
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Phase to phase ±1kv ±1kv ±1kv ±1kv- u$ F# ] ^2 y) [# }* b/ R4 D
Phase to earth ±2kv ±2kv ±2kv ±2kv
; T1 L# v, y" K0 E5 u# Z. o Performance criterion :B5 k+ D0 d1 y- Y/ R$ c, p
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5. Injected currents: EN61000-4-6) a6 e% s. z0 f3 X
AC power ports:150KHz~80MHz;3V;1KHz AM 80%
! _$ M, i4 W" |3 X& G Performance criterion :A4 [6 y! j/ V: E/ w
+ L/ D; o. [; C7 K6. Voltage dips and interruptions: EN61000-4-11
; J) P# Z# `: ~ G+ Q' uLevel U2 td Phase Angle N Pass
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+ X6 \5 X d0 X: f$ ~+ v& ]2 30% 1000ms 0/90/180/270 3 C$ T+ r$ ]* X6 V/ D7 Q
3 60% 200ms 0/90/180/270 3 C |
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