ANTENNAS FOR THE Si4455/435X RF ICS
●Introduction
■This application note provides guidelines and design examples to help users design antennas for the next generation EZRadio® RF ICs. The matching principles for the Si4455 are described in detail in "AN693: Si4455 Low Power PA Matching". For the Si435x, the RX match design methodology of the Si446x family can be used as described in detail in "AN643: Si446x/4362 RX LNA Matching".
■Besides the matching RF performance and the long-term reliability (the critical maximum peak voltage on the output pin), performance strongly depends on the PCB layout (the layout design principles are described in detail in "AN685: Layout Design Guide for the Si4455/435x RF ICs") and also on the antenna design. For optimal performance, Silicon Laboratories recommends the use of the antenna design hints described in the following sections.
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Technical Documentation |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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1/15 |
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Rev. 0.3 |
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AN686 |
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11.1 MB |
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