1、 E E E E 94NINININI / / / / YF 4 ( 74 74 74 74 # “ T L$ # “ T L$ # “ T L$ # “ T L$ -0J 1u) F 7 F 7 F 7 F 7 PCB,X,X,X,X EMCA Au +( o YF S* o YF S* o YF S* o YF S* ) M u u 2000/09/01 EMC(M 0 4 # “ T L$ # “ T L$ # “ T L$ # “ T L$ ( 0JAvA )EMC(M 0 4 0 1.002000/09/0105 E Av( YF EMCPCB0001PCB,X EMCA Au +2
2、000-09-01 ( 0J 1 2NI E 94NI, )303.4.6 |6 + ,XA Au . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .293.4.5 5+ C+ ,XA Au A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .283.4.4 + 9 y . . . . . . . . . . . . . . . . . . . . . . . . . . .
3、 .666.3.2 PCB S , , + C hAEfl ,X ) . . . . . . . . . . . . . . . . . . .666.3.1 L ?U ,XL k ,XPE 4 JE / U,X v2 4 PCBA AuE / ,X4P -A ,X EMC# A D B PCB,X EMCA AuEfl ZEW24,X 4 A o . / Efl PCB,X EMCA Au 5 4 +9A# )4 +9A# )4 +9A# )4 +9A# ) EMC-Electromagnetic CompatibilityEMI Electromagnetic Interference5
4、C m# ) High-Speed Digital Design :Emi Book rC + . P T +9,X EMC + . P KNl + . P (EMC-Electromagnetic Compatibility) B o* GJB72-85 + . F D + . P A A 1 5.10 5 n A ( 24 24 ) E ,X+ . ) W 6 CK ; 7 s6 ,X E ,( G AA + b b + . ) W J “A ,X+ . 7 FA A ,XL!4 W 3 S + . ) W J “A ( 24 24 ) J+ . 5 7 FA A ,XL!4 M6 ! G
5、FK4 4 = ” J r ) Z 2 ,X 0 EMC(M 0 4 EMC rP x CAD-0JF SI-0JF + / F , G 4 . o v2 ,X 0 , ! !6 DE 0+- ,X# A 9 M6 4 ? Y + 2 8 ,X .“ ,XNX- L ! i 9 G2 o A AuL ! ) EMC 0 FS ! 6 ) ,X+ . P KNl b ) ,X# A # A,X EMCA Au r t A ,X24A Au“ J2 P $d gCK 4 5 / U,X v2 . / x K ,X A 7 74 A u,X EMC(M 04 ,X K,XA :4 m,X “8 8
6、!? F F 1 1 40 4 F 1 2 4 70Js0 4 F 1 3 50 6 SF YF EMCPCB0001PCB,X EMCA Au +2000-09-01 ( 0J 1 8NI E 94NIfi 4!: F 1 3 F 0 4 1 60 L ) ? 34 #o F 1 3 F 0 4 F 1 10) G “ NeF %, 1 20“8 8 B B :,X 4Ee ! _,XEo |K ,X A : n ! PCB,X EMCA Au 5 : A o . / Efl PCBA Au 5 lK5 KEC 5% KS C/ 4 b S4 0 Ne) 50MHZ ,X 50MHZ ,X
7、; E A f s a. M6 b. , F G 4 c. 6 GM6 , F d. GK , F C F “ K PCB,X ,XA 5B ?U s Efl p ZE n,X #; p A + $d GM6 TOP BOTTOM GG * 2 GNDPOWERS1S2!8 ZE ?U,X #; p 7 , 5 LK + $d , C E E + $d GM6L kEW + $d GM6+ b f s B rL K d f 0 8 s o 5 K A AuE / BL ?U,X+ $d D 4 D (M! 4 ?U“ ,X DG !currency1 _ + $d ,X F 4 f s ,X
8、0 Ne) E ) + C +Efl P “# ) f xJ 2.1.3 2O _ 2O _ 2O _ 2O _ 2O _ D + C + C F Z L! “ D + C + C,X F D S “ 6 G E E P ( PCB L ?U4 “ n ,X 0NK Efl ?U,XLh/ , f K,X5 b D E 6 + C V A/D D/AE 6+ C hA D + C + C,X x+ 2. D E 6 + C h D + C + C ,X x y 3. Js+ C PE + C , | ) S+ $d 9 V p , M6/,X+ $dF 3?U“ 4 ) S # M6 !cur
9、rency1EW Q,X 5B “ 3 D ) S G * ,X “ + $d9 6 S+ $dF 1 2+ $dF 5B ?U 5 Lh/ ? + $d9 6 S+ $dF 1 2E ( 2.2.2 JsF JsF JsF JsF Js T T ) S ,X F D$d 3 Efl PCBA Au L ?U(M! ) ,X M6?U S Js$d/ ) S SE J 5 C/ G ” M6?U S JsEg B EQ,XCD4 G- 4 F Js4 ?U 5 ?U,X G! #; 1 ) 2.2.3 + 4 + 4 + 4 + 4 4 4+ A 0SE 4 ,X. o4 2.2.4 4 PE
10、 |F 4 PE |F 4 PE |F 4 PE |F Lc- 24 GC 9C 4 E )C 9CP 4 PE |6 o?U“ 3C 9CP 5 4 DG G r t 5 4 G!L . 5b 8 4 PE | PCBA Au V p$“ ,X 8 5 + ! Efl A NOEfl $“ ” M6 L 8 ( ,XEg ( ,X J W s S8 ( o+ + $d * n,X J E A8 ( D J W8 ( ,X!7 0 M6,X _ $A Z + $d $“+ ,X 0* 3-1 3-1 + $dCD4 , n,X+ V 3-1 / IC1,XEg + 0 1 L ?U+ $d V
11、CC + C + dI) 9 r) + $d o+ C b6 + + # , 1 + L + # 1 + L * + _ VV=L DIDt3-2 IC1,X Eg ( CK+ $d,X“ |V M6 CK+ C s6 ” M6 ?U,XEd $d CK ) SEd r Z#L8E E G * $“+ ? Efl ,X+ C V 3-3 / YF EMCPCB0001PCB,X EMCA Au +2000-09-01 ( 0J 1 21NI E 94NI3-3 + $d$“+ ,X h* V 3-3 / IC1,XEg + 0 1 a E E VCC o dI 5 E E $“+ C2,X+
12、9 o L ?U,X- + # + C,XF EeE 6 E FS !+ $d4 1 + L5 CK,X+ $d 3.2 $“ e ,XJ ! /. $ m + J K! J ! (=# 5 K P,X+ L ) EWP,X . ) 4z 1001500 J ! . ) y + $dE C * b e + # # E J ! “Ne+ # “ D # E PNe+ # H ,X 35 E &G 7 J ! . ) 1 + L + ,X 6( + L + F LcNe)5 ,X L _,XJ ! . ) ,XNe)(M V 3-5 / 3-5 L _,XJ ! . ) ,XNe )(M C m
13、9$d muRata J ! . ) BE ,X+ , !currency1 K Q,XPNe$“(M J ! PNe ) + L , b B D “,X+ E ,X .“ , ,X4 4 J ! ) J ! . 3EW 4 ,X “ S k 4 # E E + YF EMCPCB0001PCB,X EMCA Au +2000-09-01 ( 0J 1 23NI E 94NI# . ) ,X . E , f t 5 K , ,X+ G E + # CK e 0* 5 4 # E + # . ) ,X . E , f # “u + G + # D E E L _,X E + ,X(M 4 V 3
14、-6 / 3-6 L _,X E + ,XNe)(M C m 9$d muRata 3.3 $“+ C$“+ C$“+ C$“+ C3.3.1 $“+ C,X 6 EMCA Au $“,X 0* D PNe $“ G! PCB S * E 5nH,X * + a t 4z 30m ,X 4 + L JNe)(M C GM6 3.4.2 ESR J6(+ Ne (M ,X E 3-12 / ,X L k,X + 4 X ESL 3 / L _ + ,X ESL V ,X+ ,X ESLYF EMCPCB0001PCB,X EMCA Au +2000-09-01 ( 0J 1 27NI E 94N
15、I+ ,X ESL + CK n+ ,X C ( LJ*+ 0.01UF,X+ !currency1 0.1UF,X+ K Q,XPNe$“(M A S U 0Ne)P b 50MHZ,X ) S V Eg MUSA,X D ) S Ne),XL ?U 2 L ?U,XNe)8 Y t 6 ,X+ _ V 3-12 / ,X 22nF,X+ ,X7 A Ne)E 11 MHz * ,XL k 1 8 6M40MHz 4 ANe 8 Y t 6 ,X+ E L ?U E 5,X “ G 3 6 M4E IC! + $d 1u6 ,X 7 5 + F NO E E E ,X E ( CD + $d GM6 E ( ,XL tL k FS ! Z 24 J -F,X = 7 3-14 _5 b Js24 + $d GM6 0 3-14 / ,X F ! F S* /!7.B ,X+ ( 4 Lh,X+ $d GM6 F ,X J “F ,X # ,X Tantalum+ J + BL ?UE 10uf 22uf 33uf1 2 o+ + _,X8 ( X 5x: |6 + E 5x: Y V / YF EMCPCB0001PCB,X EMCA Au +2000-09-01 ( 0J 1 30NI E 94NI
