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This thesis is about the RF-DC conversion efficiency analysis of a rectifier when it is fed with multi-sine signals. To do it, a 900-930 MHz rectifier has been designed using Keysight ADS with Harmonic Balance, also, the parameters of the multi-sine signal,such as Peak to Average Power Ratio (PAPR), Complementaty Cumulative Distribution Function (CCDF) and Instantaneous Power Variance (IPV) have been studied, and, how they affect to the efficiency and to the load impedance. The designed prototype has been fabricated in the laboratory and it has been used to measure the efficiency given by the different multi-sine signals. The main conclusion is that, depending on how the CCDF,PAPR and IPV are, the behavior of the efficiency versus the load changes, specifically as much higher they are, much higher ha to be the load to obtain the optimum efficiency. It has been seen that the average power used for powering the rectifier also affects to the efficiency and the load, making the efficiency higher as the power increases and decreasing the optimum load. The main motivation for this project has been the interest in Energy Harvesting and Wireless Power Transfer systems.
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