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PDF NDL7912P Data sheet ( Hoja de datos )
| Número de pieza | NDL7912P | |
| Descripción | 1550 nm OPTICAL FIBER COMM EA MODULATOR INTEGRATED MQW-DFB LASER DIODE MODULE | |
| Fabricantes | NEC | |
| Logotipo |  |
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1550 nm OPTICAL FIBER COMM.
EA MODULATOR INTEGRATED MQW-DFB
LASER DIODE MODULE FOR 2.5 Gb/s D-WDM NDL7912P
ULTRALONG-REACH APPLICATIONS (600 km) SERIES
FEATURES
• INTEGRATED ELECTROABSORPTION MODULATOR
• VERY LOW DISPERSION PENALTY OVER 600 km
• LOW MODULATION VOLTAGE
• WAVELENGTH SELECTABLE FOR ITU-T STANDARDS
• 14-PIN BUTTERFLY PACKAGE
DESCRIPTION
The NDL7912P is an EA modulator integrated 1550 nm DFB-
LD module for 2.5 Gb/s. The newly developed bandgap energy
controlled selective MOVPE technology is utilized as the
fabrication method. It is designed for 2.5 Gb/s D-WDM ultralong-
reach applications.
ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25°C, TC = -20 to +70°C, unless otherwise specified)
PART NUMBER
PACKAGE OUTLINE
NDL7912P
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
TSET
Laser Set Temperature
°C 20
IOP Operating Current
mA 50
VRmc
Modulation Center Voltage
V 0.5
VRmpp
Modulation Voltage
V2
VFLD
Forward Voltage of LD, IFLD = IOP
V
ITH Threshold Current
mA 7
Pf Optical Output Power from Fiber,
VRm = 0 V, IFLD = IOP
mW 0.5
λP Peak Emission Wavelength, IFLD = IOP, VRm = 0 V,
TLD = TSET
nm
Specified to ITU-T1
∆υ Spectral Line Width, IFLD = IOP, -20 dB,
Under modulation2
GHz
4
SMSR
Side Mode Suppression Ratio, IFLD = IOP, VRm = 0 V
dB
30
ER Extinction Ratio, IFLD = IOP, Under modulation2
dB 10
fC Cut-off Frequency, IFLD = IOP, VRm = 1/2 VRmpp,
-3 dB, 50 Ω
GHz
3.2
tf Rise Time, IFLD = IOP, 20-80%, Under modulation2
ps
tr Rise Time, IFLD = IOP, 20-80%, Under modulation2
ps
Pe Transmission Penalty Due to Dispersion, IFLD = IOP,
Under modulation2, 600 km standard fiber3
dB
ISOL
Isolation
dB 30
Notes:
1. Please refer to Ordering Information.
2. 2.48832 Gb/s, PRBS 223-1, VRm = VRmc ± 1/2VRmpp, NEC Test System.
3. 600 km standard fiber NEC Test System, Transmission penalty at BER = 10-9
MAX
35
100
1.5
3
1.8
20
125
125
2
California Eastern Laboratories
1 page  
NDL7912P
600 km STANDARD FIBER TRANSMISSION EXAMPLE
120 km
120 km
PIN (EDFA) : -20 to -21 dBm
POUT (EDFA) : +8 dBm
2.5 Gb/s
TX
EDFA
EDFA
EDFA
120 km
∆λ = 0.6 nm
RX
EDFA
EDFA
120 km
120 km
OUTLINE DIMENSIONS (Units in mm)
15.24
2.54
71
4 - φ2.67
22.3
8 14
NDL7912P
0.5
20.83 ± 0.13
26.04 ± 0.13
Optical Fiber (SMF)
Length : 1 m
29.97 ± 0.25
Top View
71
-+
Cooler PD
Thermistor
LD
8
MOD
14
Pin No.
1.
2.
3.
4.
5.
6.
7.
PIN CONNECTIONS
Function
Pin No. Function
Thermistor
8. GND
Thermistor
9. GND
LD DC Bias
10. NC
PD Anode
11. GND
PD Cathode
Cooler Anode
Cooler Cathode
12.
13.
Signal Input (MOD)
50 Ω RF Input
GND
14. GND
EXCLUSIVE NORTH AMERICAN AGENT FOR
RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS
CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279
24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) • Internet: http://WWW.CEL.COM
DATA SUBJECT TO CHANGE WITHOUT NOTICE
11/14/2000
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NDL7912P.PDF ] | |
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