emi ac vde0565.2 (ac) p n e u eu.dianyuan.com/upload/space/2011/10/09/1318094547-539192.pdf · i/o...
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2006 6 321
2
EMI
2006 6 322
Ip- IR-
2006 6 323
31
EMI AC
m s2000
Cx Cy EMICx Cy Cx Cy
5.23 Cx ACCy AC
2006 6 324
2
VDE0565.2 (AC) P N EE UnE
NNN
2006 6 325
4
1
2006 6 326
2
3
2006 6 327
1.
2.
Hartin
2006 6 328
PCB
2006 6 329
30MHz20mA 8
3 100 V/m
1 C DI I I 2 C DI I I
2006 6 330
PCB
/6
max 1.257 10C CLfE IR
2006 6 331
/L d
214
max 1.316 10D DLdfE I
R
2006 6 332
2006 6 333 2006 6 334
PCB 6 1
342 , 10MHz ,50%, 1ns
25mil 25mil
380mil
62milr = 4.7
H=1 H=1
R=3
2006 6 335
30-200MHz
1 FCC B 182
20 30
2006 6 336
2006 6 337
, ,
,
2006 6 338
Hartin
2006 6 339
1.2.3.4.5.
2006 6 340
: ,
:
QVC
2006 6 341
0 – 105 /105 – 109 /
109 – 1012 /1012 /
2006 6 342
C=111rpF50PF 700µF
= + +50~250PF
50~100PF 50PF
100PF
2006 6 343
Cb ~ 50 - 250PF Rb = 500 - 10K
Vb ~ 0 - 20KV Lb ? 0.1 H
2006 6 344
2 50 nH .4A/ns,
, L(di/dt) = 200V.
a ESD .
b W.M. King ESD, .
2006 6 345 2006 6 346
2006 6 347
1oo ns1 ns
40
A
t
• 3500V
• 25KV
•
2006 6 348
5.010000500100-F
39.415000100350-E
33.815000500300-D
10200001000050-C
3020000500150-B
50200001000250-A
11.3150001500100DOD-HDBK-263
22.515000250200SAE
16.915000150150IEC801-2
E(mJ)V( )R( )C(PF)
2006 6 349
150pF,500 ,0.1 H 2
40 1ns 100ns
:, ,
2006 6 350
150pF 500 240 1ns
100ns3500
2006 6 351
I/O
2006 6 352
• , ESD• ,•
ESD• ESD , ,
,, ,
: , ,
2006 6 353
• , ESD• ,•
ESD• ESD , ,
,, ,
: , ,
2006 6 354
. , 1500 , 25000, , .
30KV/cm, 0.05 cm, 0.84 cm, , .
2006 6 355
I/O
1 ESD500V 16V
2V 1.25V 0.6V
PCB PCB
2006 6 356
PCB PCB
2006 6 357
500PF
PCB I/O
PCB PCB
2006 6 358
ESD
30KV/cm,0.05 cm,
0.84cm
LED
PC
B
2006 6 359
ESDESD
6~10milsI/O 1500V
LC
2006 6 360
PCBESD
ESDIC ESD
ESDCMOS
ESD
ESD(3.2mm)
.05cmESD ESD
2006 6 361
PCBI/O I/O
3ns I/O30KV/cm,
0.05 cm, 0.84 cmI/O
PCBI/O LCESDPCB
4 1ESD , EMI
PCB PCB ESD 10 100
2006 6 362
I/O
I/O
I/O
2006 6 363
I/O
CPU
2006 6 364
•
1.2.•1.2. I/O3.
2006 6 365
1
•
•
•
•“NO-OP”
2006 6 366
•
•
2006 6 367
VCC
Q2A
2B
CLRGND
74LS123
Q
VCC
QIA
IB
CLRGND
74LS123
Q
1
2
3
8
14 15
4
13
16 6 7
5
12
RC
2006 6 368
2 I/O•I/O
ESD
• N
2006 6 369
COUNT=0
IN=IN
N
RETURN
YES
NO
2006 6 370
3
•
••1.2.3.4.
2006 6 371
, ,,
, Q V,,
,, ,
2006 6 372
T IT N
S C
2006 6 373 2006 6 374
TN-C-S ITTN-C-S
IT
2006 6 375
TT
2006 6 376
N PE L1 L2 L3
+ -
++
+
-
-
-
12V 12V
12V12V 48V
TN-C2
MEB
PEN
L220VPEN
48VDC
2006 6 377
N PE L1 L2 L3
+ -
++
+
-
-
-
12V 12V
12V12V 48V
TN-S3 ,5
MEB
L1 48VDC
L3L2
NPE
2006 6 378
2006 6 379 2006 6 380
2006 6 381
1
2
31
1
43
2
51
3
43
2
51
2
43
2
51
2006 6 382
TDJ26-89
YD/T926.1-3ISO/IEC11801 --ANSI/EIA/TIA 568ACECS.72:92
CECS.89.97
YDJ20-88 YD2001-23 GBJ64-83JGJ-93
2006 6 383
GBJ64-83100 10
100-500 15501-1000 20
YDJ20-88
2000 12000 2000
32000
510
202006 6 384
12 EMI3 EMI EMI4 EMI5
2006 6 385
EMI
EMI EMIEMI
EMI
2006 6 386
EMIEMI
EMI
1-10M
2006 6 387
EMI
EMIEMI
3dB 60dB EMI1:2 1:14 100Hz
60dB EMI200Hz 1.4KHzEMI
2006 6 388
Res BW Ref Level
IF
2006 6 389
:3% 2G 60M
PRF
VDE MIL-STD-462CRT
2006 6 390