SITU Series Unamplified Transmitters

EMCORE’s SITU (Small Integrated Transmitter Unit) series are high-performance externally-modulated transmitters for applications from 10 MHz to 40 GHz. Multiple RF operating bandwidths are available with two optical output powers of +7 dBm or +10 dBm available for each operating band.

SITU family transmitters are fully-integrated units that contains both the optics and the control electronics. Only DC input voltages and the RF signal are required for operation. The system operates at a nominal optical wavelength of 1550 nm. Wavelength selected lasers on the ITU grid are also available for WDM applications.

SIRU Series Unamplified Receivers

MODEL	FREQUENCY	DESCRIPTION
SITU3013-3113	0.01 – 13 GHz	1550 nm Ex-Mod Transmitter
SITU3018-3118	0.01 – 18 GHz	1550 nm Ex-Mod Transmitter
SITU3022-3122	0.05 – 22 GHz	1550 nm Ex-Mod Transmitter
SITU3040-3140	0.05 – 40 GHz	1550 nm Ex-Mod Transmitter

Features

Operating bands –
– 10 MHz – 13 GHz
– 10 MHz – 18 GHz
– 50 MHz – 22 GHz
– 50 MHz – 40 GHz
7 dBm or 10 dBm Optical output power – Provides the correct power level for the application
High-dynamic-range of >110 dB-Hz2/3
Fully-integrated unit – reduces integration costs
Bias control circuits for laser and modulator

APPLICATIONS

Microwave antenna signal distribution
Electronic Warfare (EW) systems
Broadband delay line and signal processing systems
Frequency distribution systems
Radar system calibration
Phased array antenna systems, interferometric antenna arrays

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