Mask of the eye diagram for the optical transmit signal
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 | VccR |
10uF | 0.1uF |
RD + | 0.01uF |
|
100 Ohms*
RD - 0.01uF
Rx_LOS
3.3V | Rx_LOS |
| |
| VeeR |
RES1 RES1 RES1 |
|
Preamp &
Quantizer
Photo Diode
PLD / PAL | Mod_def 2 |
| Mod_def 1 |
| Mod_def 0 |
RES1 = 4.7k to 10k Ohms
* Depands on SerDes IC used
EEPROM
4 | 2008/1/15 |
| Rev. 0A |
DELTA ELECTRONICS, INC. | www.deltaww.com |
