
LC-155Bxxxxxx
Recommend Circuit Schematic
DELTA ELECTRONICS, INC.
4
www.deltaww.com
Aug., 2006
Rev.
0D
Laser Diode
Photo-diode
1uH
1uH
0.1uF
10uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
10uF
100 ohm*
SerDes IC
3.3V
DELTA SFF Module
Preamp &
Quantizer
Tx_Disable
TD+
TD -
VeeT
RD+
RD -
Rx_SD
VeeR
VccT
VccR
Laser Driver
* Depands on SerDes IC used
150 ohm
150 ohm
50 ohm TXL
50 ohm TXL
50 ohm TXL
50 ohm TXL
SD
TxDis
82ohm
82ohm
130ohm
130 ohm
VccT
Note:
1. 270 Ohm (3.3V), 510 Ohm (5V) SD Output pull-down resisters required for LVPECL SD Output.
2. No connected for TTL SD Output.