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Solid State Transmitters, like SOLSTx (pronounced solstice) are affordable, reliable, and scalable solutions with a number of advantages over traditional systems that currently use Vacuum Electronics Devices (VED).

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Why Solid State?

Radar transmitters using Vacuum Electronics Devices (VED) such as Klystrons, Traveling Wave Tubes (TWT), Magnetrons and Crossed-Field Amplifiers (CFA) have high operational and sustainment (O&S) costs, require very high voltage power supplies, and the systems are not proven to have high reliability.


Advantages of GaN-based Solid State Transmitters (SST)

GaN-based Solid State Transmitter (SST) technology has a number of advantages over traditional systems. Compared to Vacuum Electron Devices (VEDs) used in current transmitter designs, SOLSTx offers the following advantages:

  • Significant increase in Mean Time Between Critical Failure (MTBCF)
  • Substantial decrease in O&S costs
  • Graceful degradation (as opposed to single point of failure/instantaneous shutdown) in the event of hardware failure
  • Significantly lower Phase Modulation (PM) noise levels resulting in higher Clutter Improvement Factor (CIF)
  • Significantly lower out of band emission reducing the interference with adjacent radars and commercial communication signals
  • Reductions in size, weight, and power offer increased system efficiency
  • Higher Duty Cycle (Up to 10%)
  • Greater range of pulse widths (Up to 100μS)
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