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PDF FLD3F8CZ Data sheet ( Hoja de datos )

Número de pieza FLD3F8CZ
Descripción DFB CATV Laser
Fabricantes Eudyna Devices 
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1,310nm DFBwww.DataSheet4U.com
CATV Laser
FLD3F8CZ
FEATURES
• Direct Modulation DFB Laser
• Built-in TEC, Thermistor and Monitor PD
• Optical Isolator
• 14-Pin Butterfly Type Module
• 78 Channel NTSC Loading
(112 Channel device available)
• Low Residual CSO & CTB
• 5.5 dB Link Budget Available
• Suitable for Narrow Cast Configuration
APPLICATIONS
This DFB laser is intended for application in analog AM, CATV
at 1,310nm. Transmission spans of 15 km are possible without
amplification.
DESCRIPTION
This DFB laser for analog AM application is a middle power laser capable of carrying 78 channels
with excellent CSO, CTB, and CNR performance. It is packaged in a ‘butterfly’ type module.
The module employs a cost effective optical coupling system, coupling the laser output through a
built-in optical isolator into a single mode fiber pigtail. The module also includes a monitor photodiode,
a thermoelectric cooler (TEC) and a thermistor.
ABSOLUTE MAXIMUM RATINGS (Tc=25°C, unless otherwise specified)
Parameter
Symbol
Condition
Ratings
Min.
Max.
Storage Temperature
Tstg - -40 +70
Operating Case Temperature
Top
-
-20 +65
Optical Output Power
Pf CW - 8
LD Forward Current
IF CW - 150
LD Reverse Voltage
VR -
-2
PD Reverse Voltage
VDR
-
- 20
PD Forward Current
TEC Voltage
TEC Current
IPD -
- 10
Vc
Cooling
Heating
- +2.5
-2.0 -
Cooling
- +1.4
Ic
Heating
-0.5
-
Thermistor Temperature
Tth
ATC Operation
-20
+65
Lead Soldering Time
Tsold
260°C
-
10
Environmental Operating Humidity Xop
Top<30°C
-
95
Environmental Storage Humidity
Xst
Tstg<30°C
-
95
Unit
°C
°C
mW
mA
V
V
mA
V
A
°C
sec
%
%
Edition 1.2
July 2004
1

1 page




FLD3F8CZ pdf
1,310nm DFBwww.DataSheet4U.com
CATV Laser
FLD3F8CZ
Fig. 9 Cooler voltage and Cooler Current
vs. Case Temperature
3.0 3.0
2.0 2.0
1.0 VC 1.0
IC
0.0 0.0
-1.0
0
10 20 30 40 50 60 70
Case Temperature, Tc (°C)
-1.0
80
Fig. 10 CNR vs. Output Power
Fig. 11 CSO and CTB vs. Output Power
55
54
53
52
51
50
49
48
47
46
45
0246
-40
-50
-60
-70
-80
0
Optical Output Power, Pf (mW)
NTSC-78ch
OMI=4.0%/ch (Typ.)
Link Loss=5.5dB (15km Single Mode Fiber)
Noise Equivalent Current of Receiver, Ieq=7pA/ Hz
Sensitivity of PIN=0.86A/W
NTSC-78ch
Optical modulation
index=4.0%/ch (Typ.)
24 6
Optical Output Power (mW)
8
5

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