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Using Electromagnetic Analysis For RFID Antenna Design

Source: Sonnet Software

Using Electromagnetic Analysis For RFID Antenna Design
Over the last several years, Radio Frequency Identification (RFID) has become a major market. With a large number of vendors, success will be determined by achieving a short time-to-market for the most creative ideas. In order to realize a fast time-to-market, fast and accurate electromagnetic (EM) analysis is an absolute requirement.


The application note here demonstrates using Sonnet to design a 13.56 MHz RFID inductor and a 900 MHz RFID antenna accurately and rapidly. Sonnet's extreme accuracy is a result of being based on the FFT (Fast Fourier Transform) formulation of the 3D planar Method of Moments (MoM), and Sonnet's speed is the result of a revolutionary new interpolation (Adaptive Band Synthesis), both to be demonstrated. In addition, Sonnet's automated features, including parameterization and optimization, allow the designer to evaluate a large number of alternatives in an incredibly short period of time. As the wireless markets consolidate, making the most efficient use of the best CAD tools, including Sonnet for electromagnetic analysis, is key to survival.

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Application Note: Using Electromagnetic Analysis For RFID Antenna Design