Electromagnetic Analysis Speeds RFID Design - Sonnet Software
Electromagnetic Analysis Speeds RFID Design - Sonnet Software
Electromagnetic Analysis Speeds RFID Design - Sonnet Software
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<strong>Sonnet</strong> ModelEquivalent ModelR S =1.8ΩR P =82.4kΩR = R (1 +PSX2S/ R2S)Figure 3: On the left is the SPICE lumped circuit synthesized by <strong>Sonnet</strong>. On the right isan equivalent lumped circuit useful for certain calculations. See text for inductance andcapacitance.IC ModelC=23.5pFR P =25kΩC EXT5.9pFInductor ModelC=1.1pFL=4523nHR P =82.4kΩFigure 4. Equivalent circuit of the entire tag coil circuit, including the <strong>RFID</strong> IC, theexternal resonating capacitor, and the tag coil itself.