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Waveguide Terminations, Tunable Loads and Tunable Shorts (WTR/TLD/TSC)

Smiths Interconnect's waveguide terminations, tunable loads and shorts featuring Millitech technology offer class leading full band precision tuning to meet your critical system needs.

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Commercial Aerospace


  • Communications
  • EW
  • ISR
  • Radar
Defense Overview


  • Satellites GEO and MEO
  • Satellites LEO
Space Overview

Features & Benefits

Series WTR fixed terminations featuring Millitech technology are designed to have a maximum VSWR ranging from 1.03:1 in the WR-42 to WR-22 frequency ranges to 1.5:1 in the WR-06 and WR-05 frequency ranges.

Series TLD tunable loads utilize a metric micrometer tuning mechanism which allows the microwave absorber to be positioned within the guide while maintaining a constant magnitude of reflection coefficient. Series TLD tunable loads have a nominal VSWR as low as 1.05:1 to 90 GHz, are useful for the precise measurement of small reflections in transmission lines. Series TSC tunable shorts consist of movable, non-contacting choke plungers within a straight section of waveguide.

  • Terminations to 220 GHz
  • Tunable loads and shorts to 170 GHz

Contact our product experts to discuss your specific requirements and custom configurations to meet your needs.

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