12 GHz Lightwave Receiver (LR-12-M)

Data Sheet

Product Overview

The Optilab LR-12-M is a 12 GHz bandwidth PIN photodiode receiver module designed for RF over fiber, antenna remoting, and broadband RF signals transmission applications using single mode optical fiber. The LR-12-M utilizes a wide bandwidth PIN photodiode plus a linear Trans-Impedance Amplifier (TIA) that provides optical to RF conversion to the frequency range beyond 12 GHz. The LR-12-M is a highly linear O/E converter that can be used for every type of analog and digital signal, with remote status monitoring through an RS-232 I/O interface. When the LR-12-M RF over fiber receiver module is linked with the LT-15-M lightwave transmitter module, the combination provides an excellent solution for ultra-wideband RF to fiber conversion applications.

Applications

  • Wideband RF Transmission over Fiber
  • RF/IF Signal Distribution
  • Satcom microwave antenna signal distribution
  • EW Systems
  • Broadband delay-line and signal processing
  • Radar system calibration
  • Phased and interferometric array antenna

Features

  • RFoF Receiver, 0.01 GHz to 12 GHz
  • Highly Linear for Analog Transmission
  • Linear TIA Gain of 500
  • RS-232 Monitor Interface
  • Housing shields RF and thermal interference

Feature Name Description
General Specifications
Photodiode Wavelength Range 1250 nm to 1650 nm
Operational Bandwidth 0.005 GHz to 12 GHz
Optical Input Level +3 dBm max.
Repsonsitivity 0.85 A/W @ 1550 nm typ.
Trans-Impedance Gain 500 typ.
S21 3 dB Bandwidth 12 GHz typ.
S22 Characteristics < -10 dB to 10 GHz typ.
Optical Return Loss -30.00 dB typ.
2nd Harmonics Distortion -60.0 dBc max.
3rd Harmonics Distortion -70.0 dBc max.
Optical PDL @ 1550 nm 0.05 dB typ., 0.1 dB max
Output Coupling AC Coupled
RF Impedence 50 Ω
Ripple over Bandwidth ±1.0 dB
Mechanical Specifications
Operating Temperature -40° C to +70° C
Storage Temperature -55° C to +85° C
Power Supply Requirements +12 V DC, 500 mA max.
Optical Connector FC/APC
RF Input Connector K Connector Female, 50 Ω
DC Connector DB-9
Local Alarm LED: Optional Input Power
Remote Alarms RS-232 Interface (Optional)
Dimensions 130 mm x 70 mm x 35 mm
Accessories Included 110 V - 240 V AC Adaptor & Cable
Housing Precision Mach. Anodized Aluminum

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