Rassokhina, Y. V., Krizhanovski, V. G., Kovalenko, V. A., Colantonio, P., & Giofre, R. (2014). Inverse class-f power amplifier using slot resonators as a harmonic filter. Technology and Design in Electronic Equipment, (2–3), 18-23. https://doi.org/10.15222/TKEA2014.2-3.18