C-15-155-TDFB-SSC10 Datasheet, PDF (5/11 Pages) Source Photonics, Inc. – 155 Mbps DFB Laser Single Mode Transceiver (Ultra-LR)

155 Mbps DFB Laser Single Mode Transceiver
(Ultra-LR)
C-15-155-TDFB(3)-SXX10(12)
Recommended Circuit Schematic
Tx Vcc
C5
R1 R3
9 8 7 65 43 2 1
TD +
TD -
R2 R4
Notes +3.3V:
R1=R3=R5=R7=R9=130
R2=R4=R6=R8=R10=82
C1=C2=C3=C5=C6=0.1F
C4=10F
L1=L2=1H
Tx Vcc
Rx Vcc
No internal
connection
Transceiver
Top view
No internal
connection
Notes +5V:
Vcc
R1=R3=R5=R7=R9=82
R2=R4=R6=R8=R10=130
C1=C2=C3=C5=C6=0.1F
C4=10F
L1=L2=1H
Rx Vcc
R9 R5 R7
R10 R6 R8
C6
RD +
RD -
SD
L1
C3
L2
C4
Rx Vcc
C1
Tx Vcc
C2
The split-loaded terminations for ECL signals need to be located at the input of devices receiving those ECL signals.
The power supply filtering is required for good EMI performance. Use short tracks from the inductor L1/L2 to the module Rx Vcc.
A GND plane under the module is required for good EMI and sensitivity performance.
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5
LUMNDS813-Jul0706
Rev A.2