EVB-LAN9353 Datasheet, PDF (33/43 Pages) Microchip Technology – EVB-LAN9353 Evaluation Board User’s Guide

FIGURE B-4:
EVB-LAN9353 EVALUATION BOARD SCHEMATIC 4
3257
VDD33TXRX1
FB6 0E
R11
R12
R13
R14
R15
49.9
49.9
49.9
49.9
0
1/10W
1/10W
1/10W
1/10W
DNP
1%
1%
1%
1%
TXPA
R16
0
FX_SFP-TXPA
R17
0
COP-TXPA
DNP
TXNA
R18
R19
0
0
FX_SFP-TXNA _COP-TXNA
DNP
RXPA
R20
0
R21
0
DNP
RXNA
R22
0
R23
0
FX_SFP-RXPA
COP-RXPA
FX_SFP-RXNA
COP-RXNA
C28
10pF
50V
5%
DNP
C29
10pF
50V
5%
DNP
C30
10pF
50V
5%
DNP
C31
10pF
50V
5%
DNP
C32
0.022uF
50V
10%
Note:
Capacitors C10 through C13 are optional for EMI purposes
and are not populated on the LAN8740/41 evaluation board.
These capacitors are required for operation in an EMI
constrained environment.
3257
VDD33TXRX2
FB7 0E
R25
R26
R27
R28
R29
49.9
49.9
49.9
49.9
0
1/10W
1/10W
1/10W
1/10W
DNP
1%
1%
1%
1%
TXPB
R30
0
FX_SFP-TXPB
R31
0
COP-TXPB
DNP
TXNB
R32
0
R33
0
FX_SFP-TXNB
COP-TXNB
RXPB
RXNB
DNP
R34
0
R35
0
DNP
R36
0
R37
0
FX_SFP-RXPB
FX_SFP-RXNB
1RWH )% DQG )% WR EH ]HUR RKPV
COP-RXPB
COP-RXNB
C33
10pF
50V
5%
DNP
C34
10pF
50V
5%
DNP
C35
10pF
50V
5%
DNP
C36
10pF
50V
5%
DNP
Note:
Capacitors C10 through C13 are optional for EMI purposes
and are not populated on the LAN8740/41 evaluation board.
These capacitors are required for operation in an EMI
constrained environment.
C37
0.022uF
50V
10%
T1
Pulse J0011D01BNL
1
TD+
4
TXCT
2
TD-
XMIT
3
RD+
5
RXCT
6
RD-
7
NC
8
CHS GND
RCV
/,1.$&7
LED2_CATHODE
R61
330E
LED2_ANODE
75
75
1000 pF
GRN
75
75
2 kV
YEL
RJ45
1
4&5
2
3
7&8
6
'HIDXOW DVVHPEO\
LED1 (Green) = LINK/ACT
LED2 (Yellow) = SPEED
R24
0
RES1210
LED0_CATHODE
63(('
R62
330E
LED0_ANODE
T2
Pulse J0011D01BNL
1
TD+
4
TXCT
2
TD-
XMIT
3
RD+
5
RXCT
6
RD-
7
NC
8
CHS GND
RCV
/,1.$&7
LED5_CATHODE
R102
330E
LED5_ANODE
75
75
1000 pF
GRN
75
75
2 kV
YEL
RJ45
1
4&5
2
3
7&8
6
LED1 (Green) = LINK/ACT
LED2 (Yellow) = SPEED
R38
0
RES1210
LED3_CATHODE
63(('
R103
330E
LED3_ANODE