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Recommend circuit schematic, Serdes ic protocol ic pld / pal, Delta sfp module – Delta Electronics Single Mode SFP Transceiver LCP-1250B4QDRx User Manual

Page 6: Depands on serdes ic used, Delta electronics, inc

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DELTA ELECTRONICS, INC.

6 2008/1/23

Rev. 6G

www.deltaww.com

Recommend Circuit Schematic

Laser Diode

Photo Diode

1uH

1uH

0.1uF

10uF

0.1uF

0.01uF

0.01uF

0.01uF

0.01uF

0.1uF

10uF

RES1

RES1

100 Ohms*

RES1

RES1

RES1

10k Ohms

100 Ohms

VCC

Protocol Vcc

SerDes IC

Protocol IC

PLD / PAL

Mod_def 2

Mod_def 1

Mod_def 0

3.3V

3.3V

DELTA SFP Module

Preamp &

Tx_Disable

Quantizer

Tx_Fault

TD +

TD -

VeeT

RD +

RD -

Rx_LOS

VeeR

Tx_Disable

Tx_Fault

Rx_LOS

RES1 = 4.7k to 10k Ohms

VccT

VccR

Laser Driver

* Depands on SerDes IC used

EEPROM