- Description
-
1.25 GB/s BI-DIRECTIONAL SINGLE FIBER SINGLE MODE PECL TRANSCEIVER
Features,
● Single Fiber Bi-Directional Transceiver
● Operating 1310nm and 1550nm
● Transmitter section Selects 1310nm 、1490/1550nm FP/ DFB Laser
● Single +3.3V /+5V Power Supply
● Single mode single fiber package with optional SC/FC receptacle
● Standard PECL data output with signal detect indication
● 1×9 package
Applications,
Applied to optic fiber transmission systems, such as SDH and digital video optical terminal devices with bit rate up to 1.25GMbps
Parameter
Condition
Min
Typ
Max
Wavelength （nm）
1310
1270
1310
1350
1550
1520
1550
1570
1490
1484.5
1490
1497.5
Power Supply （V）
Vcc
3.135
3.3
3.465
4.75
5
5.25
Signal Level
PECL
3.2~4.0
LVPECL
1.5~2.3
Output Spectral Width （nm）
FP-LD,RMS
1.5
4
DFB-LD,-20dB
1
Extinction Ratio (dB)
EX
10
Optical Isolation (dB)
38
Overload (dB)
BER=1×10－10
－3
LOS（dBm）
Optical Deassert /assert
－5/－1
Current of transmitter section（mA）
Vcc=5V
110
Vcc=3.3V
110
Current of receiver section（mA）
Vcc=5V
100
Specifications
Rate, Power, Sensitivity and Transmission distance
Rate
LD and Wavelength
(nm)
Average output optical power（dBm）
Sensitivity（dBm）
Transmission distance
1.25Gb/s
FP 1310nm
－10
≤-24
20km
DFB 1550nm
－10
1.25Gb/s
FP 1310nm
－4
≤-24
40km
DFB 1550nm
－9
1.25Gb/s
DFB 1490nm
－5
≤-25
60km
DFB 1550nm
－5
1.25Gb/s
DFB 1490nm
－1
≤-26
80km
DFB 1550nm
－1
Absolute Maximum Ratings
Operating temperature（℃）
－20～＋70
Lead soldering temperature（℃）
<260
Storage temperature（℃）
－40～＋85
Soldering duration（Sec）
<10
Pin Connections
Pin
Name
Level
Descriptions
1
GNDR
Receiver section grounded
2
RD
PECL/LVPECL
Date output of receiver section
3
NRD
PECL/LVPECL
Reverse date output of receiver section
4
SD
PECL/LVPECL
Optical alarm of receiver section, low level when no light
5
Vcc
Positive power of receiver section, normally +5V or 3.3V
6
Vcc
Positive power of transmitter section, normally +5V or 3.3V
7
NTD
PECL/LVPECL
Reverse Date input of transmitter section
8
TD
PECL/LVPECL
Date input of transmitter section
9
GNDT
Transmitter section grounded
Order Information
Description
5V 1.25Gb/s PECL SC/FC receptacle single mode single fiber bi-directional transceiver，transmitter wavelength 1310nm
5V 1.25Gb/s PECL SC/FC receptacle single mode single fiber bi-directional transceiver，transmitter wavelength 1550nm
3.3V 1.25Gb/s LVPECL SC/FC receptacle or FC pigtail single mode single fiber bi-directional transceiver，transmitter wavelength 1310nm
3.3V 1.25Gb/s PECL SC/FC receptacle single mode single fiber bi-directional transceiver，transmitter wavelength 1550nm
5V 1.25Gb/s PECL SC/FC receptacle single mode single fiber bi-directional transceiver，transmitter wavelength 1490nm
3.3V 1.25Gb/s LVPECL SC/FC receptacle or FC pigtail single mode single fiber bi-directional transceiver，transmitter wavelength 1490nm
1.25 GB/s BI-DIRECTIONAL SINGLE FIBER SINGLE MODE PECL TRANSCEIVER
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