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RF MEMS Devices: Applications, Benefits & Manufacturers

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Introduction

RF MEMS devices offer miniaturization and high efficiency in RF applications. Their use in switching, filtering, and tuning enhances wireless systems.

What is RF MEMS

RF MEMS is the short form of Radio Frequency Micro Electro Mechanical Systems. The devices are fabricated using Micromachining technique. MEMS integration methods are surface micromachining and bulk micromachining.

MEMS technology minimizes usage of energy and materials and hence lower the cost. Moreover they are smaller in size. Due to this, various MEMS based devices such as RF switches, gyroscopes, phase shifters, sensors, accelerometers, oscillators, RF antennas, filters etc. are available.

RF MEMS Switch

Figure-1 depicts RF MEMS Switch.

Following table lists popular manufacturers or vendors of RF MEMS.

Applications

  • Used in tunable filters, phase shifters, and antennas for 5G, LTE, and Wi-Fi networks.
  • Applied in phased array radar, electronic warfare (EW), and secure military communication systems.
  • Utilized in RF switches and reconfigurable antennas for space applications.
  • Found in RF coils and signal-processing components for MRI and wireless medical telemetry.
  • Integrated into adaptive cruise control (ACC), collision avoidance, and smart IoT devices.

Advantages of RF MEMS devices

Following are some of the benefits of RF MEMS devices.

  1. RF MEMS switches and components consume significantly less power compared to traditional semiconductor based RF circuits, improving battery life in portable and wireless systems.
  2. RF MEMS devices exhibit excellent linearity, reducing signal distortion and improving the overall performance of communication and radar systems.
  3. MEMS-based RF components are smaller and lighter than conventional RF components.
  4. RF MEMS devices operate efficiently across a broad frequency spectrum.
  5. Compared to traditional RF switches and tunable components, RF MEMS offer minimal signal loss and excellent isolation.

Manufacturers of RF MEMS

RF MEMS ManufacturersDescription
Pickering Interfaces Inc.RF MEMS switches Website: www.pickeringtest.com/ Phone: +44 (0)1255 687900 Email: ussales@pickeringtest.com
Peregrine Semiconductor Corp.San Diego, CA, 92121, USA RF MEMS switches Website: www.psemi.com/ Phone: 858-731-9400 (USA)
Omron Electronic Components LLCRF MEMS sensors Website: https://www.omron.com/
Hexawave, Inc.RF MEMS switches Website: https://www.hw.com.tw/
Tronics Microsystems, USAWebsite: https://www.tronicsgroup.com/ Email: info@tronicsmems.com Phone: +1 469-872-0300 (Dallas, USA)
WiSpry USAWebsite: wispry.com/ Email: rf_mems@wispry.com Phone: 949.458.9477 (CA, USA)
Teledyne DALSA, CanadaWebsite: https://www.teledynedalsa.com/semi/MEMS/ Tel: 519-886-6000 (Ontario, Canada)
Radant MEMS, USAWebsite: https://www.radantmems.com/ Email: sales@radantmems.com Phone: 978-639-4320
MEMtronics, USARichardson, Texas 75081 Website: www.memtronics.com/ Phone: 214.699.6909

Conclusion

RF MEMS devices revolutionize RF systems with compact designs and high performance. Choose top manufacturers for advanced solutions.