We bet when [devttyS0] made his latest video about RF filter design (YouTube ... uses trimmer capacitors in the resonant part of the circuit. That way you can tune to account for circuit variances.
Dickson voltage multiplier for radio frequency (RF) energy harvesting ... The simulations of the circuit are performed using microelectronic design software (Cadence®). The capacitance value (Ci) is ...
Mbodji, A. , Moctar, M. , Kambaye, M. and Dieme, O. (2025) Design of Dipoles for the RF Energy Harvesting System Dedicated to ...