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- W3201542913 abstract "IC input characteristics are important parameters for proximity coupling (13.56 MHz) transponders. Modeled as voltage-dependent capacitor ( <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {C_{ic}}$ </tex-math></inline-formula> ) and resistor ( <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {R_{ic}}$ </tex-math></inline-formula> ) connected in parallel, they are typically measured using an LCR meter. In this work, we introduce a nonlinear, custom-defined circuit component (IC-component) based on LCR meter measurement results that is used within our simulation framework for predicting contactless performance metrics (e.g., minimum operating magnetic field strength <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {H_{min}}$ </tex-math></inline-formula> ). Combined with linear <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {S}$ </tex-math></inline-formula> -parameter models from EM simulations of transponder antennas on a standardized test setup (ISO test PCD assembly), the IC-component is used in nonlinear circuit simulations to predict <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {H_{min}}$ </tex-math></inline-formula> . Due to LCR meter’s input limitations, it is difficult to cover the entire range for predicting certain performance metrics at higher <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {H}$ </tex-math></inline-formula> -levels (e.g., IC robustness). Therefore, we also present a method that utilizes the ISO test PCD assembly and determines IC input characteristics of a transponder DUT. This method ( <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {C_{ic}}$ </tex-math></inline-formula> and <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {R_{ic}}$ </tex-math></inline-formula> extraction method) measures the assembly’s output voltages up to higher <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {H}$ </tex-math></inline-formula> -levels and uses them as input to the system’s linear model. IC input characteristics, obtained as a function of measured voltages, are thereby extended towards higher <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=LaTeX>$boldsymbol {H}$ </tex-math></inline-formula> -levels and can be added to the IC-component, so that additional contactless performance metrics can be predicted by our simulation framework." @default.
- W3201542913 created "2021-09-27" @default.
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- W3201542913 date "2022-01-01" @default.
- W3201542913 modified "2023-10-14" @default.
- W3201542913 title "Modeling and Extracting the Nonlinear Input Characteristics of Proximity Coupling Transponder ICs by Utilizing the ISO Measurement Setup" @default.
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- W3201542913 doi "https://doi.org/10.1109/jrfid.2021.3112799" @default.
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