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Manufacturing RAYSPAN® MTM AntennasTM
Using EZTune to Achieve Higher Design Efficiency
Abstract
Metamaterial antennas are increasingly gaining popularity among manufacturers designing and building wireless devices such as WiFi routers and cellular handsets. Improved OTA performance, reduced SAR values, and reduced BOM costs are only a few of the advantages to be gained through the use of metamaterial antennas. During the design process, the characteristics might
be impacted by mechanical changes and other component placement adjustments. Tuning the antenna’s resonant frequencies may require the PCB to be rebuilt and components to be remounted and retested. These are costly and lengthy steps for the wireless device manufacturers during the design and validation process. In order to mitigate the cost and risk, Rayspan has brought to market the proprietary RAYSPAN® EZTuneTM metamaterial (MTM) antenna which can be re-tuned without the need to rebuild the PCB or remount components. The following paper describes the RAYSPAN® EZTune™ technology and gives an example of EZTune™ used in a dual band cellular phone.
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