The Microlynx M4000 High-Frequency Over the Horizon Radar Transmitter System

Power, Control, and Flexibility

The Microlynx M4000 High-Frequency Transmitter is a transmit system designed specifically for Over-The-Horizon Radar applications operating in the 3 to 30 MHz HF band. These radar systems use signals refracted off the ionosphere to detect fast-moving threats that are still thousands of kilometers away.

Microlynx has used its decades of engineering design experience, and especially its experience with previous generations of HF over-the-horizon radar transmitters, to develop a complete end-to-end transmit site. The Microlynx M4000 system includes waveform generation, amplification and filtering, and communication and control. All subsystems have been designed to operate seamlessly together with the highest reliability.

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The M4000 System:

  • Scaleable from one to sixty four 4 kW transmitters
  • Flexible waveform generation options
  • GPS synchronized transmissions
  • Intuitive and responsive user interface
  • Modular design facilitates installation and maintenance
  • Compact design: one 4 kW transmitter only requires 19U of rack space

Components of the M4000 System

M4100 Arbitrary Waveform Generator

The M4100 Arbitrary Waveform Generator (AWG) converts In-phase (I) and Quadrature (Q) digital waveform data stored in files to an analog modulated RF carrier.

  • Can control 1 to 4 independent 4 kW transmitters
  • State of the art digital to analog conversion supports amplitude and phase shading to support beam streering
  • Clean signal generation start-up and termination ensures no transmission of unintended artifacts
  • 8T of storage available for waveform files

M4000-4KW High Power Amplifier and Filter

The M4000-4KW High Power Amplifier operates over the frequency range of 3 to 30 MHz and provides an output power level of not less than four kilowatts over the entire operating range.

  • Designed to be able to indefinitely withstand and operate with a 100% load mismatch (VSWR = ∞) at any phase angle
  • Adaptive power control quickly reduces excessive forward power to ensure system and operator safety and minimize input power requirements
  • Fault-tolerant design with auto-shutdown in the event of a configuration error or hardware malfunction
  • Network interface for control and health monitoring

M4500 GPSDO

The M4500 GPS Disciplined Oscillator provides an ultra-clean 10 MHz frequency reference and stable 1 pulse-per-second time reference for waveform generation and synchronization.

  • Precision 1 PPS and 10 MHz signal generator
  • GPS-based time-of-day source
  • Supports a 'kill switch' safety mechanism that can instantly halt transmission in case of an emergency

M4600 Operator Console

The M4600 Operator Console is a comprehensive Graphical User Interface that can control, monitor and log the complete system operation.

  • Standard Windows application can run on off-the-shelf hardware
  • Provides a real-time view of the system status, and forward and reverse powers with the ability to drill down into individual components for detailed status
  • Ability to graph power vs time for individual and aggregate channels
  • Ability to schedule complex sequences of waveform patterns for future transmission
  • Detailed time-stamped logs containing real-time status information, user actions and significant events

If you're looking for a rugged, reliable, and scalable system, the M4000 is for you. Contact us now for more information.

Customized Solutions

Microlynx provides a full range of services that can customize the M4000 to your needs:

  • System design and requirements analysis
  • Electronics and mechanical customization
  • User Software development
  • If you have any questions about the M4000 System:

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