5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
RX-
RX+
TX-
TX+
2.5V
VCC
3.3V-Earth
3.3V-Earth
3.3V-Earth
link
Data
Data_o
link_o
LINK
Data
CHASIS_GND
CHASIS_GND
CHASIS_GND
CHASIS_GND
CHASIS_GND
Title
Size Document Number Rev
Date: Sheet
of
Compon20110322-13-1
1.0
RJ45 网口EMC设计标准电路
B
11Wednesday, October 26, 2011
Title
Size Document Number Rev
Date: Sheet
of
Compon20110322-13-1
1.0
RJ45 网口EMC设计标准电路
B
11Wednesday, October 26, 2011
Title
Size Document Number Rev
Date: Sheet
of
Compon20110322-13-1
1.0
RJ45 网口EMC设计标准电路
B
11Wednesday, October 26, 2011
备注:此方案适用于对防雷没有要求的产品。
1
、当网口变压器共模抑制比较差或需要通过的标准比较严酷时,需要增加
L1
、
L2
共模电感
(L1
、
L2
根据测试结果可以调整
)
;
2
、
C2
、
C9
、
C10
、
C11
为预设计,根据实际的情况增加,一般不需要增加;
3
、
C13
、
C14
为预设计,根据实际的情况增加或调整;
一站式电磁兼容(
EMC
)方案供应商
电话:
0755-26532285
邮箱:
compon@compon-tech.com
L2
WCM-2012-900T
L2
WCM-2012-900T
L5
FBMA-11-160808-601T
L5
FBMA-11-160808-601T
1 2
C3
0.1uF
C3
0.1uF
C14
1000pF/2KV
C14
1000pF/2KV
L3
FBMA-11-160808-601A20
L3
FBMA-11-160808-601A20
1 2
R1
75R
R0603
R1
75R
R0603
T1 H1102
LAN16
T1 H1102
LAN16
1
RD
2
CT
3
RD
6
TD
7
CT
8
TD
14
RX
13
RXB_CT
12
RX
11
TX
10
TXB_CT
9
TX
R4
330R
R4
330R
C13
1000pF/2KV
C13
1000pF/2KV
C8
0.1uf
C8
0.1uf
J1
RJ45-Shielded
J1
RJ45-Shielded
Rx+
1
Rx-
2
Tx+
3
NC
4
NC
5
Tx-
6
NC
7
NC
8
Shield
9
10
Shield
Data
11
VCC
12
VCC
14
LINK
13
L4
FBMA-11-160808-601T
L4
FBMA-11-160808-601T
1 2
R5
75R
R0603
R5
75R
R0603
C11
10pf
C11
10pf
R6
75R
R0603
R6
75R
R0603
L1
WCM-2012-900T
L1
WCM-2012-900T
C10
10pf
C10
10pf
C12
1000pF/2KV
C12
1000pF/2KV
R3
330R
R3
330R
C6
1000pF
C6
1000pF
C1 1000pFC1 1000pF
C9
10pf
C9
10pf
C4
1000pF
C4
1000pF
C2
10pf
C2
10pf
FBMA-11-160808-601A20
L6
FBMA-11-160808-601A20
L6
C5
1000pF
C5
1000pF
C7
0.1uf
C7
0.1uf
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