The Emcore Small Integrated Transmitter Unit (SITU2011) is a high-
performance, directly modulated transmitter for applications with
guaranteed performance over the 50 MHz to 3 GHz frequency band.
The SITU2011 is a fully integrated unit that contains both the optics and
the control electronics. Only DC input voltages and the RF input signal
are required for operation.
The unit can be used to construct transparent optical links for antenna
remoting, microwave delay lines and other applications where it is
necessary to transport RF over long distances without signal
degradation.
The unit operates at a nominal optical wavelength of 1310 nm.
Applications
Cellular and PCS Antenna-
Remoting
Microwave Delay-Lines
Frequency distribution system
Radar System Calibration
Phased Array Antenna
Systems
Specifications
Electrical
Features
High-power 1310 nm DFB laser
and bias-control circuitry
8 dBm Optical Output Power
Frequency Range
RF Input Level
Power Requirements
RF Connector
Input 1dB Compression
Input Third-Order Intercept
RF Input Impedance
RF return loss
Optical
0.05 to 3.0 GHz
0 to +20 dBm
+15 V @ 1.0 A max
SMA (female)
+20 dBm typical
+26 dBm typical
50
Ω
nominal
9 dB
1310
±
4 nm
FC/APC
+ 8 dBm minimum
Wavelength
Standard Optical Connector
Optical Output Power
Physical
Dimensions
Operating/ Storage Temperature
1.0” H x 5.0” W x 4.0” D
-10
°C
to +65
°C
For more information on this and other products:
Contact Sales at Ortel 626-293-3400, or visit www.emcore.com.
SITU2011
Ordering Information
SITU-2011
DATA SHEET – OCTOBER 2007
Package Outline Drawing
Typical Link Characteristics (SITU2011 and SIRU2300)
Reference Link Characteristics:
SITU2011 Transmitter with 8 dBm output power
SIRU2300 Receiver
8 dB Optical Loss (0 dBm optical at the Receiver)
Typical RF Characteristics:
•
Link Gain
-35 dB typical
•
Gain Ripple
+/- 1.5 dB 50 MHz to 3 GHz
•
Link Noise Figure
35 dB typical
For more information on this and other products:
Contact Sales at Ortel 626-293-3400, or visit www.emcore.com.
SITU2011
DATA SHEET - OCTOBER 2007
D-Connector Pin Out
1
2
3
4
5
6
7
8
9
+15 V
n/c
n/c
GND
n/c
Optical Power Monitor
Low Power Alarm
n/c
n/c
Laser Safety
Class IIIb Laser Product
FDA/CDRH Class IIIb laser product. All transmitters are Class IIIB laser products per CDRH, 21 CFR 2040 Laser Safety
requirements. All versions are Class 3B laser products per IEC*60825-1:1993.
Maximum Power = 10 dBm
Caution: Use of controls, adjustments and procedures other than those specified herein may result in hazardous
laser radiation exposure.
*IEC is a registered trademark of the International Electrotechnical Commission.
Information contained herein is deemed to be reliable and accurate as of issue date. EMCORE reserves the right to change the design or specifications of
the product at any time without notice. Ortel, the Ortel logo, EMCORE, and the EMCORE logo are trademarks of EMCORE Corporation.
EMCORE
2015 West Chestnut Street
Alhambra, California 91803-1542
Tel: 626-293-3400
Fax: 626-293-3428
www.emcore.com
For more information on this and other products:
Contact Sales at Emcore 626-293-3400 or visit www.emcore.com
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