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The development of antennas for RFID tags requires measurement of the parameters; as well as, the response of these to be questioned by a reader, the variation of the parameters with simulation tools and building prototypes of antennas can be evaluated, compared, and verified to determine whether the label complies with the basic requirements. To do this, it requires a methodology to help determine...
In this letter, a measurement technique for a complete parametric characterization of the input impedance of an RFID IC is presented. The use of an SPDT switch to modulate the signal from the network analyzer provides the capability to measure the RFID IC activation level and its input impedance simultaneously. This data can then be used to fully predict the dynamic response and performance of an...
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