Recommend Circuit Schematic

VCC

3.3V

1uH

Protocol Vcc

RES1

Tx_Disable

Tx_Fault

Protocol IC

SerDes IC

1uH

DELTA SFP Module

10uF 0.1uF

0.1uF VccT

10k Ohms

Tx_Disable

Tx_Fault

 

TD +

0.01uF

 

Laser Driver

 

100 Ohms

 

Laser Diode

TD -

0.01uF

 

VeeT

 

RES1

0.1uF

VccR

10uF

 

 

RD +

0.01uF

 

 

100 Ohms*

RD - 0.01uF

Rx_LOS

3.3V

Rx_LOS

 

 

VeeR

Preamp &

Quantizer

Photo Diode

RES1 RES1 RES1

PLD / PAL

Mod_def 2

Mod_def 1

Mod_def 0

RES1 = 4.7k to 10k Ohms

* Depands on SerDes IC used

EEPROM

6

2008/3/14

 

Rev. 0B

DELTA ELECTRONICS, INC.

www.deltaww.com

Page 6
Image 6
Delta Electronics LCP-2488B4HDRx manual Pld / Pal