Abstract
SummaryIn this paper, an RF power amplifier (PA) using a microstrip ring resonator (MRR) structure based on the image parameter method is proposed. The MRR structures are utilized as decoupling circuits at the DC supply of the active device. The design process is quite easy and applicable for microwave and RF PA design. To reach exact data for matching network design, load‐pull technique is applied. The proposed PA is designed and optimized at the frequency range of 2.3 to 2.6 GHz, proper for Wi‐Fi applications. For a source power of 10 dBm, the obtained power gain, efficiency, and dissipated power (Pdiss) are 12.3 dB, 63.6%, and 266 mW, respectively. Also, power added efficiency (PAE) for an input power of 10 dBm is 57%. The proposed PA is fabricated and measured, showing good conformity between the simulation and experimental results.
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