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Apr 23rd, 2013
LTE reception boosted by MEMS device
Dutch MEMS maker Cavendish Kinetics B.V. said Monday (April 15) that its long-awaited NanoMech radio frequency (RF) MEMS chip will be shipping inside mobile phones by this holiday season.
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The device aims to boost the quality of mobile reception using an array of capacitors on a CMOS chip and MEMS switches to perform adaptive antenna impedance matching as well as frequency-tuning, filter-tuning and power-amp-load tuning.

According to Dennis Yost, Cavendish president and CEO, the quality of mobile reception is getting worse because mobile devices are degrading RF signals because of more interference from touch-screens and people's hands which are constantly changing the parameters for good reception. At risk today is wide adoption of LTE mobile devices, which make the highest demands on the electronics receiving these wireless broadband signals.

"What LTE devices need is adaptive frequency tuning and impedance matching for their antennas, along with tunable power amp loading and eventually tunable filters and duplexers," said Yost.

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