English
Language : 

SPB-2840LWG Datasheet, PDF (2/5 Pages) Optoway Technology Inc – 1270 nm TX / 1330 nm RX , 10.3 Gbps Digital Diagnostic 1-Fiber SM LC SFP+ Transceiver
Optoway
2
SPB-2840LWG
***********************************************************************************************************************************************************************
Transmitter Optical Specifications (0oC < Topr < 70oC, 3.13V < Vcc < 3.47V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
Average Launch Power
Output Center Wavelength
Output Spectrum Width
Side Mode Suppression Ratio
Po, Avg
λc
σλ
SMSR
1
1260
30
1270
5
1280
1
dBm
1
nm
nm -20 dB width
dB
Relative Intensity Noise
RIN
-128
dB/Hz
Average Launch Power of OFF
-30
dBm
Transmitter
1. Output power is power coupled into a 9/125 µm single-mode fiber.
Receiver Optical Specifications (0oC < Topr < 70oC, 3.13V < Vcc < 3.47V)
Parameter
Symbol
Min
Typ
Max
Sensitivity at 10.3 Gb/s
-15
Receiver Overload
LOS -- Deasserted
LOS -- Asserted
Wavelength of Operation
PMAX
LOSD
LOSA
λc
0.5
---
-30
1320
---
---
-18
---
---
1340
2. Measured with average power; BER < 10-12 and PRBS 231-1.
3. At least 30 dB optical isolation for the wavelength 1260 to 1280 nm.
Units
dBm
dBm
dBm
dBm
nm
Notes
2, Average Power
Transition: low to high
Transition: high to low
3
Electrical Characteristics
Parameter
Symbol
Min
High-Speed Signal (CML) Interface Specification
Input Data Rate
Differential Input Impedance
Rin
Differential Data Input Amplitude
150
Output Data Rate
Differential Output Impedance
Rout
Differential Data Output
350
Amplitude
Low-Speed Signal (LVTTL) Interface Specification
Input High Voltage
2.0
Input Low Voltage
GND
Output High Voltage
2.4
Output Low Voltage
GND
Typ
10.3125
100
10.3125
100
600
Max
1000
700
Vcc+0.3
0.8
Vcc
0.5
Units
Notes
Gb/s
Ω
mVpp
Gb/s
Ω
mVpp
Internally AC coupled
Internally AC coupled
V
V
V
V
**********************************************************************************************************************************************************************
OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
Fax: 886-3-5979737
E-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2008 V1.0