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Metal MEMS provides future of cell phone radio


Dennis Yost.

Dennis Yost.

Cavendish Kinetics is well known for its combined experience in MEMS, RF system design and CMOS design. Since 2008, it has focused on developing digital variable capacitors to improve wireless connectivity and data rates for mobile phones.

According to Dennis Yost, president & CEO, Cavendish Kinetics, 4G/LTE mobile devices are not yet achieving their potential. Antenna frequency tuning is an essential technology. Only metal MEMS technology has the size and performance. He was speaking at the ongoing Globalpress Electronics Summit 2013 in Santa Cruz, USA.

Cavendish claims to have the team, proven technology and real demonstrated performance. There is IP and patent protection for customers. Cavendish also owns the process.

The future of cell phone radio is needed in order to meet the performance gap. In future, you will see adaptive power amplifiers.

Antenna frequency tuning used in traditional RF applications. How do you ensure there is no loss in the component? Only MEMS has the performance and size for cell phones. Metal MEMS has almost no series resistance. No switches are required.

Previous designs required switches and different loads. Mechanical capacitors change capacitance value by moving plates – changing the area or plate distance changes the capacitance. MEMS capacitors do the same at the micrometer level.

Successful MEMS
Users can control design and manufacturing process of devices. How a MEMS is built is just as important as what you build. Success requires MEMS design expertise, MEMS process expertise and MEMS volume production expertise.

Cavendish has MEMS experts in all areas. It developed and owned MEMS manufacturing process. It uses all standard CMOS foundry technology. Innovations have so far yielded over 100 patents in manufacturing process and MEMS design.

By using the NanoMech technology performance, Cavendish Kinectics has demonstrated excellent performance in a small chip.

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