v23818-c18-l47 Finisar Corporation., v23818-c18-l47 Datasheet - Page 14

• Manufacturer Part Number: v23818-c18-l47
• Description: Small Form Factor Single Mode 1310 Nm Multirate Up To 155 Mbit/s Transceiver 2x5 Pinning With Lc? Connector
• Manufacturer: Finisar Corporation.

V23818-C18-Lxx, V23818-C18-L4xx Product Specification – August 2004
Recommended Termination Schemes
2x5 DC/DC Transceiver
Figure 6
© Finisar Corporation August 20, 2004 Rev. C
C1/2/3
C4/5/6/7
C8/9/10
L1/2
R1
R2/3
R4/5
Place R1/4/5 close to SerDes chip.
Place R2/3 close to SFF transceiver.
*)
The inductors may be replaced by appropriate Ferrite beads.
*)
Pre-
Amp
= 4.7 ... 10 F
= 100 nF
= Design criterion is the resonance frequency only. The self resonant frequency of the
= 1 ... 4.7 H
= 100
= 150
= Biasing for outputs depending on Serializer.
capacitor must be in the vicinity of the nominal data rate. Short traces are mandatory.
100
SFF Transceiver
Laser
Driver
Limiting
Amplifier
differential is provided. Check for termination inside of SerDes chip).
(depending on SerDes chip used, ensure proper 50
100
Signal
Detect
RD
RD+
TDis
RD+
V
RD
TD+
TD
V
V
V
SD
CCr
CCt
EEr
EEt
7
10
8
6
2
3
4
5
1
9
C8
C9
TDis
C1
C2
SD
L1
L2
C4
C5
V
3.3 V
CC
C3
C6
C7
V
C10
CC
SerDes
termination to V
V
SerDat Out
SerDat Out
SerDat In
SerDat In +
CC
Serializer/
Deserializer
+
Receiver
PLL etc.
ECL/
PECL
Driver
EE
or
File: 1392
Page 14