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This paper presents an approach to signal excitation specially designed to improve the DC power obtained in a RF to DC converter and consequently its RF-DC efficiency conversion. In this sense a multisine signal is used as the excitation, and it is proved either theoretically, by simulations and by measurements, that a multisine signal with 0° phase relationship between the tones can give better DC...
In this paper, we conduct a thorough analysis of the nonlinear behavior of diode power probes and demonstrate how memory effects can alter power measurements of signals with wide modulation bandwidths and high values of peak-to-average power ratio. We show analytically, by simulations, and with measurements, that commonly used single-tone calibration procedures for diode power probes can provide erroneous...
In this paper a new behavioral model that describes energy harvester circuits for use in RFID systems will be presented. The use of X parameters, recently proposed for Power Amplifier characterization, will be expanded to RFID circuits. It is expected that this type of model is able to improve the design and optimization of energy harvester circuits, and give a step forward in terms of RFID simulation...
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