C-13-1250AC-FDFB-SLC2A-G5 Datasheet, PDF (4/10 Pages) Source Photonics, Inc. – 1.25 Gbps Single Mode SFF LC Transceiver

1.25 Gbps Single Mode SFF LC Transceiver
C-13-1250AC-FDFB-SLC2A(-55)-G5
Recommended Circuit Schematic
C-13-1250AC-FDFB-SLC2A(-55)-G5
TRANSMITTER
DRIVER
LASER
BIAS
PIN
TZ
AMP
POST
AMP
RECEIVER
TX_DIS ⁸
TX_GND ⁷
TX_D ₉
TX_D ₁₀
Vcc_TX 6
Vcc_RX ²
3
SD
RX_D ₄
RX_D ₅
RX_GND ¹
TTL logic level
Z=50�
TD +
Z=50�
TD -
See
Fig. 3
See
Fig. 2
Z=50�
Z=50�
Note 1
Serializer / De-Serializer
with LV PECL lnputs/Outputs
Vcc= +3.3V
82Ω
82Ω
RD -
130Ω
RD +
130Ω
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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4
LUMNDS1933-Aug0508
Rev. A.0