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1742 Datasheet Preview

1742 Datasheet

Microwave DFB Laser

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1742 18 GHz 1550 nm
Microwave DFB Laser
DATASHEET | AUGUST 2013
MICROWAVE
Applications
„„ Antenna Remoting
„„ Cellular and PCS Networks
„„ Military Communications
„„ Tracking, Telemetry, and Control
Features
„„ High-Dynamic-Range
„„ Long Distance Communications
„„ 10 MHz to 18 GHz Bandwidth
„„ Built-in Optical Isolator
„„ 1550 nm
The 1742 18 GHz 1550 nm Microwave Distributed Feedback (DFB)
Laser provides exceptional performance for linear fiber optics
communications in very wide bandwidth applications. EMCORE’s
linear fiber optics are an excellent alternative to using coaxial cable
systems to transmit 10 MHz to 18 GHz signals. They offer significant
improvements in reliability of microwave communications networks
by transmitting the RF signal in its original format. As a result of
these properties, the 1742 provides significant improvements in signal quality for
a wide variety of applications including antenna remoting, telemetry, timing and
reference signal distribution, measurement and delay lines.
The basic 1742 laser module can be integrated into a complete transmitter either
as a flange-mount for extreme environments, or as a plug-in for EMCORE’s Sys-
tem 10000 rack-mount system. Electronics within the flange-mount and plug-in
transmitters control the laser temperature and DC bias current and provide warn-
ings whenever the temperature or power deviates from their intended levels.
This provides a self-regulating, fully-integrated microwave product with excellent
noise performance in sensitive optical links.
Performance Highlights
Parameter
Available Wavelengths
Optical Output Power
Temperature Range
Frequency Range
Min Typ Max
1545 1550 1555
- 9-
-40 - +65
10 - 18000
Unit
nm
dBm
°C
MHz
Typical Data
© 2013 EMCORE Corporation | REV 2013.08
+1 626-293-3400
satcom-sales@emcore.com
www.emcore.com
Information contained herein is deemed to be reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specifications at any time without notice.




EMCORE

1742 Datasheet Preview

1742 Datasheet

Microwave DFB Laser

No Preview Available !

1742 18 GHz 1550 nm
Microwave DFB Laser
DATASHEET | AUGUST 2013
MICROWAVE
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress
ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in
the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect
device reliability.
Parameter
Operating Temperature Range of Baseplate
Storage Temperature
RF Input Power
Laser Forward dc Current
Photodiode Reverse Voltage
Laser Reverse Voltage
ESD
TEC Current
Symbol
TOP
TSTG
PIN
-
VRPD
-
-
ITEC
Electrical Characteristics
Condition
Continuous
-
60 Seconds
-
-
-
HMB: R = 1500 Ohm, C = 100 pF
Continuous
Min Max
-40 +65
-40 +85
- 20
25 120
200 10
-1
-500 500
-1.9 1.9
Parameter
Specifications
Unit
Wavelength
1550 to + 5
nm
Spectral Width, FWHM2, Typ., Max
10
MHz
Optical Power, Typical @ ITH +55 mA
8 (min)
dBm
Optical Power Stability vs. Temperature
+ 15
%
dc Modulations Gain, Typical
0.24
-
1. Specifications guaranteed when unit is connected to an optical path with return loss >35 dB.
2. No RF Input.
DC
Parameter
Laser Bias
Threshold Current
Forward Voltage
Thermo Electric Cooler
Thermistor
Thermistor Temperature Coefficient
Symbol
IOP
ITH
VF
ITEC
RTH
TETH
Condition
25°C
25°C
IOP = ITH + 50 mA
-
25°C
25°C
Min
-
-
-
-1.1
9.5
-
Max
65
26
6
-
10
4.4
Unit
˚C
˚C
dBm
mA
V
V
V
A
Units
mA
mA
V
A
kΩ
% / °C
Seven-Pin Miniature Rectangular Connector
Pin Description
A Thermistor
B TEC (-)
C Thermistor
D TEC (+)
E Laser Bias
F Ground
G Monitor Photodiode
© 2013 EMCORE Corporation | REV 2013.08
+1 626-293-3400
satcom-sales@emcore.com
www.emcore.com
Information contained herein is deemed to be reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specifications at any time without notice.


Part Number 1742
Description Microwave DFB Laser
Maker EMCORE
PDF Download

1742 Datasheet PDF






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