SPB-4840RLWG Datasheet, PDF (2/5 Pages) Optoway Technology Inc – 6.144 Gbps / 1270 nm TX / 1330 nm RX / 40 km Digital DiagnosticMulti-Rate CPRI SMSFP+

Optoway
2
SPB-4840RLWG
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Transmitter Optical Specifications (0^oC < Topr < 70^oC, 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
σ_λ
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 (0^oC < Topr < 70^oC, 3.13V < Vcc < 3.47V)
Parameter
Symbol
Min
Typ
Max
Sensitivity
-15
Receiver Overload
LOS -- Deasserted
LOS -- Asserted
Wavelength of Operation
P_MAX
LOS_D
LOS_A
λc
0.5
---
-30
1320
---
---
-18
---
---
1340
2. A valid 8B/10Bencoded input is required for receiver sensitivity specification.
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
1
Differential Input Impedance
Rin
Differential Data Input Amplitude
150
Output Data Rate
1
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
Max
Units
Notes
6.25
Gb/s
100
Ω
1200
mVpp Internally AC coupled
6.25
Gb/s
100
Ω
600
700
mVpp Internally AC coupled
Vcc+0.3
V
0.8
V
Vcc
V
0.5
V
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OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: [phone]
Fax: [phone]
E-mail: [e-mail] http: // www.optoway.com.tw 2010/9/1 V2.0