V23870-A2111-A100 Datasheet, PDF (11/11 Pages) Infineon Technologies AG – Bi-Directional Pigtail SFF Transceiver 155 Mb/s, 1310 nm Tx / 1310 nm Rx

DC/DC coupling
Vcc
3.3V
C3
L1
L2
C1
C2
TxVcc (6) RxVcc (2)
Laser
Driver
Limiting
Amplifier
SFF Transceiver
Vcc
SerDes
3.3V
TxVee (7) R6
TD+ (9)
TD- (10)
R7
C6
R9
C7
TxDis (8)
R8
SD (3)
SD
R10
C4
Rd- (4)
Rd+ (5)
RxVee (1)
R2
C5
R3
Vcc
Ser Data
Out+
ECL/PECL
Driver
Ser Data
R4
R5 ^Out- _Serializer/
Deserializer
Ser Data In-
R1
Ser Data In+
Receiver
L1, L2:
1...4.7 µH
C1, C2, C3: 4.7...10 µF
C4, C5, C6, C7: 100 nF
R1:
100 Ohms
R2, R3:
150 Ohms
R4, R5:
biasing of outputs depending on Serializer
R6, R7:
127 Ohms
R8, R9:
80 Ohms
R10:
510 Ohms for PECL signal detect, open for TTL
Place R1/4/5 as close to SerDes as possible
Place R2/3 as close to transceiver as possible
Fiber Optics
11
V23870-A2111/2-xx00 BIDI Pigtail SFF transceiver