Design of Class F Power Amplifier for 433 MHz
Open Access
- 30 August 2022
- journal article
- Published by Blue Eyes Intelligence Engineering and Sciences Engineering and Sciences Publication - BEIESP in International Journal of Engineering and Advanced Technology
- Vol. 11 (6), 154-163
- https://doi.org/10.35940/ijeat.f3766.0811622
Abstract
The proposed work focuses on the design of a class F power amplifier for 433 MHz which can be used for RFID applications. Power amplifier requires high efficiency and low power dissipation, especially in wireless base stations. In this work, class F amplifier is employed to achieve high efficiency by wave shaping the drain terminal waveforms with suitable harmonic termination networks. At the drain terminal, the voltage and current waveform is shaped into square and half sinusoidal waveforms by employing a harmonics control circuit. The designed class F power amplifier using Advanced Design Software (ADS) simulator has yielded the output power of 44.5 dBm in harmonic balancing for the given input power of 30 dBm at the fundamental frequency with the gain of 14.5 dBm. It was evident from the work that the added harmonic control circuit has suppressed all other harmonics except the third harmonic frequency.Keywords
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