Preliminary Data Sheet
Preliminary Data SheetPreliminary Data Sheet
Preliminary Data Sheet
ErFA2906
June 2001
June 2001June 2001
June 2001
ErFA 2906: Coolerless small form factor EDFA
(980nm Pump Version –
Preliminary
)
Applications
Applications Applications
Applications
• Single or small number of channel
booster or pre-amplification
• For Ultra high speed system (40Gbps)
• Loss compensation
Description
Description Description
Description
• ErFA2906 has been designed for a wide variety of single channel or small number
of channel applications of EDFA.
• Miniature Small (120mm x 80mm x14mm) board mountable package.
• Simple cooler-less coaxial 980nm pumped configuration.
• Input and output monitor is implemented.
• Integrated temperature sensor
Features
FeaturesFeatures
Features
• Saturated output power >+5dBm
• Noise figure <5.7dB at –15dBm in and+5dBm out
• Cooler free operation up to +60 oC ambient temperature
• Low power consumption owing to the cooler less pumping
Block Diagram
Block DiagramBlock Diagram
Block Diagram
Tap
O
p
tical in
p
ut
Optical Gain
Cooler-less
Pump LD
O
p
tical out
p
ut
Tap
PD PD
Fi
g
ure 1: ErFA2
903
EDFA o
p
tical confi
g
uration
Preliminary Data
Preliminary Data Preliminary Data
Preliminary Data Sheet
Sheet Sheet
Sheet –
––
– ErFA 2906
ErFA 2906 ErFA 2906
ErFA 2906
June 2001
June 2001June 2001
June 2001
2
Outline Dr
Outline DrOutline Dr
Outline Drawing
awingawing
awing
ＩＮ
ＯＵＴ
１６
１５
２
１
Figure 2: ErFA2906 outline drawing
Electrical Pin Configuration
Electrical Pin ConfigurationElectrical Pin Configuration
Electrical Pin Configuration
Pin # Description
1 Laser cathode - 9 N.C.
2 Laser Anode + 10 Input PD Gnd
3 TEC + 11 Input PD Cathode +
4 TEC - 12 Input PD Anode -
5 LM35DM Vs + 13 Output PD Cathode +
6 LM35DM Gnd 14 Output PD Anode -
7 LM35DM Vout 15 N.C.
8 Laser PD Anode - 16 Output PD Gnd
Environmental Conditions
Environmental ConditionsEnvironmental Conditions
Environmental Conditions
Parameter Unit Min Typ Max Remarks
Storage Temperature °C -40 70
Operating Humidity %RH 10 80 No dew condensation
Storage Humidity %RH 10 90 No dew condensation
Operating Temperature °C 0 60
Preliminary Data
Preliminary Data Preliminary Data
Preliminary Data Sheet
Sheet Sheet
Sheet –
––
– ErFA 2906
ErFA 2906 ErFA 2906
ErFA 2906
June 2001
June 2001June 2001
June 2001
3
Absolute Maximum Ratings
Absolute Maximum RatingsAbsolute Maximum Ratings
Absolute Maximum Ratings
Item Symbol Condition Value limit Unit
980nm Laser forward current IP 250 mA
Laser reverse voltage VF,P 2 V
Monitor photodiode forward current IF,M 5 mA
Monitor photodiode reverse voltage VR,M 20 V
Forward voltage of input signal monitor diode VF,M,IN 0 V
Forward voltage of output signal monitor diode VF,M,OUT 0 V
Reverse voltage of input signal monitor diode VR,M,IN 15 V
Reverse voltage of output signal monitor diode VR,M,OUT 15 V
Electrical Characteristics
Electrical CharacteristicsElectrical Characteristics
Electrical Characteristics
Parameter Symbol Specification Unit Comments
Min Max
Pump laser diode current (BOL) IPO 200 mA Over whole operating condition
0oC to 60 oC
Relative change of pump laser
diode current from BOL to EOL
∠IPO /IPO 20 %
Pump laser diode forward voltage VP - 2.2 V
Pump monitor PD dark current IM 50 4000 µA IP=IPO
Not applicable for EDFA power
control
Pump monitor PD reverse voltage UMR 0 10 V
TEMPERATURE SENSOR (LM35DM: Molded Small Outline Package)
Parameter Symbol Specification Unit Comments
Min Max
Supply voltage Vs+ 4 30 V
Temperature range Typ. 0 to 100 oC
Accuracy Typ. ±0.9
oC
Sensor gain Typ. +10.0 mV/ oC
Quiescent current 91 uA At Vs+ = +5V
Optical Ch
Optical ChOptical Ch
Optical Characteristics
aracteristicsaracteristics
aracteristics
Parameter Symbol Specification Unit Comments
Min Max
Wavelength range 1530 to 1563 nm
Temperature range Ta 0 to 60 oC
Input power Pin -15 -3 dBm
Output power Pout 5 dBm
Polarization dependent gain 0.1 dB
Polarization mode dispersion 0.1 ps
Return loss 40 dB
Noise figure 7.5
8.0
9.0
dB
dB
dB
30oC +/- 10 oC
30oC +/- 20 oC
30oC +/- 30 oC
Input PD minitor responsivity Typ. 0.05 A/W
Output PD minitor responsivity Typ. 0.01 A/W
Polarization dependance of monitors 0.2 dB
Temperature dependance of monitors 0.4 dB
Preliminary Data
Preliminary Data Preliminary Data
Preliminary Data Sheet
Sheet Sheet
Sheet –
––
– ErFA 2906
ErFA 2906 ErFA 2906
ErFA 2906
June 2001
June 2001June 2001
June 2001
4
Typical Performance
Typical PerformanceTypical Performance
Typical Performance
Noise Figure performance (In/Out=-3/+5dBm)
4
5
6
7
8
1525 1530 1535 1540 1545 1550 1555 1560 1565
Signal Wavelength (nm)
Noise Figure (dB)
0 Deg. 20 Deg. 40 Deg. 60 Deg.
Noise F igu re performance (In/Out=-15/+5dBm)
4.0
5.0
6.0
7.0
8.0
1525 1530 1535 1540 1545 1550 1555 1560 1565
Signal Wavelength (nm)
Noise Figure (dB)
0 Deg. 20 Deg. 40 Deg. 60 Deg.
Ordering Information
Ordering InformationOrdering Information
Ordering Information
ErFA2906 -X X -Y Y
Isolator and monitor indicator
FRNS Input / Output isolator, Input / Output monitor
RS Output isolator, Output monitor
R Output isolator
FRS Input / Output isolator, Output monitor
Optical connector indicator
FA FC Angled connector
FS FC super PC
SA SC Angled connector
SS SC super PC
LC LC connector
LA LC Angled connector
Perryville Corporate Par
k
Perryville III
Clinton, NJ 08809
T: 908-713-3525
F: 908-713-3515
www.fiteltech.com
sa
l
es@
fit
e
lt
ec
h
.co
m
Fitel Technologies, Inc. reserves the right to change data contained in this document in the interest of continued
product improvement. The publication of this information by FTI does not imply freedom from patent or any other
rights of Fitel Technologies, Inc.
Figure 3: Noise Figure at –3dBm input Figure 4; Noise Figure at –15dBm input
