Avionics Airborne Systems

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HF/SSB System

Meltronics HF SSB System provides a MS 2000 reliable voice radio communication over 2 to 29.9999MHz frequency range and it is designed to meet most diverse requirements. The HF (High Frequency) System is used to establish Communication between Air to ground station, Air to Air and Air to ship. This system is suitable for Aircrafts, Helicopters and Ships Communication Applications. The HF Transceiver has Beyond Line Of Sight communications providing both voice and data services. System is a digital, microprocessor controlled, synthesized unit that utilizes DSP technology to increase performance and versatility


The HF System has the following Sub Systems
  • Cockpit Mounted Control Unit
  • Receiver Exciter
  • Power Amplifier

MS 2000

Product Highlights
  • Frequency of operation: 2 to 29.9999MHz
  • Channel Spacing: 100Hz
  • Modes of Operation: CW and Clear voice USB / LSB / AM with normal or secure communication
  • Microprocessor based and LSI component design
  • Direct Digital Synthesis (DDS) technology for fast tuning
  • Digital Signal Processing (DSP) for modulation and demodulation
  • BITE provides full functional check of the system in both TX & RX modes and provides quick, simple and economical maintenance
  • Single Side Band Suppressed Carrier and full AM (double side band plus carrier) modes of operation are selectable for both transmission and reception
  • SELCAL function and Narrow Band Secure Voice mode of operation
  • Communication Interface with system: MIL 1553B/RS485
  • Fast automatic tuning (Stabilization time): Less than 1 minute
  • 100 Pre programmable channels
  • Power Supply : 28V DC

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