75. Bertacchini, A.; Larcher, L.; Maini, M.; Vincetti, L.; Scorcioni, S. Reconfigurable RF energy harvester with customized differential PCB antenna. J. Low Power Electron. Appl. 2015, 5, 257–273. [CrossRef]

76. Abdelhalem, S.H.; Gudem, P.S.; Larson, L.E. An RF–DC converter with wide-dynamic-range input matching for power recovery applications. IEEE Trans. Circuits Syst. II Express Briefs 2013, 60, 336–340. [CrossRef]

77. Lu, Y.; Dai, H.; Huang, M.; Law, M.K.; Sin, S.W.; Seng-Pan, U.; Martins, R.P. A wide input range dual-path CMOS rectifier for RF energy harvesting. IEEE Trans. Circuits Syst. II Express Briefs 2016, 64, 166–170. [CrossRef]

78. Xu, H.; Lorenz, M.; Bihr, U.; Anders, J.; Ortmanns, M. Wide-band efficiency-enhanced CMOS rectifier. In Proceedings of the 2014 IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, VIC, Australia, 1–5 June 2014; pp. 614–617.

79. La Rosa, R. Power Tracking Circuit, Corresponding System and Method. U.S. Patent Application No. 16/283,067, 1 January 2019.

80. Dickson, J.F. On-chip high-voltage generation in MNOS integrated circuits using an improved voltage multiplier technique. IEEE J. Solid State Circuits 1976, 11, 374–378. [CrossRef]

81. lairdtech. 2018. Available online: https://www.lairdtech.com/datasheet-revie-pro-0618pdf (accessed on 20 May 2020).