1.25G GBIC Transceiver

50 km transmission

Preliminary Datasheet

Nov 14, 2006

Fiberxon Proprietary and Confidential, Do Not Copy or Distribute

Page 3 of 3

Controlled Electronic Version. 24hrs Obsolete when printed out without authorization. Last printed 2006-11-15 下午 04:56

Recommended Operating Conditions

Table 3 - Recommended Operating Conditions

Parameter

Symbol

Min.

Typical

Max.

Unit

Operating Case Temperature

0

+70

°C

Power Supply Voltage

3.1

5.5

V

Power Supply Current

300

mA

Data Rate

1.0625/1.25

Gbps

FTM-5012S-G50G (1550nm DFB and PIN, 50km)

Table 4 –Optical and Electrical Characteristics

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Transmitter

Centre Wavelength

1480

1550

1580

nm

Average Output Power

-5

0

dBm

1

Spectral Width (-20dB)

∆λ

1

nm

Side Mode Suppression Ratio

SMSR

30

dB

Extinction Ration

EX

9

dB

-45

dBm

1

Rise/Fall Time (20%～80%)

0.26

ns

2

1.25G

0.431

Total Jitter

1.0625G

0.43

UI

1.25G

0.2

Deterministic

Jitter

1.0625G

0.21

UI

3

Output Optical Eye

IEEE 802.3z and ANSI Fibre Channel compatible

4

Data Input Swing Differential

650

2000

mV

5

Input Differential Impedance

140

150

160

Ω

Disable

2.0

Vcc+0.3

V

TX Disable

Enable

0

0.8

V

Fault

Host_Vcc+0.3

V

TX Fault

Normal

0

0.5

V

Receiver

Centre Wavelength

1270

1620

nm

Receiver Sensitivity

-22

dBm

6

Receiver Overload

0

dBm

Return Loss

12

dB

LOS De-Assert

-24

dBm

LOS Assert

-35

dBm

LOS Hysteresis

1

4

dB

1.25G

0.749

Total Jitter

1.0625G

0.61

UI

1.25G

0.462

UI

3