Wideband high‐efficiency extended continuous Class F power amplifier using a new wideband bandstop network

Jia, Minshi; Cheng, Zhiqun; Shi, Yongre; Li, Hang; Zhao, Xiaomei; Zhang, Zhiwei

doi:10.1002/mop.33408

Cited by 1 publication

(1 citation statement)

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“…ET and EER require peripheral circuits, so the design process is more complicated, while switch-type PAs such as class-E [5,6], class-F [7,8], and class-D [9,10] cannot maintain broadband due to their design characteristics. Continuous mode PA is one of the effective ways to expand its working bandwidth while ensuring high efficiency [11,12,13]. It expands the impedance space of its fundamental wave and harmonics by introducing parameters, but in the actual design, it can be realized with the aid of real-frequency algorithms [14,15].…”

Section: Introductionmentioning

confidence: 99%

Design of broadband power amplifier based on loop-shaped filter matching structure

Chen

You

Liu

et al. 2023

IEICE Electron. Express

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A method for designing a broadband high-efficiency power amplifier (PA) based on a novel loop-shaped filter matching structure is proposed in this paper. By combining a power amplifier matching circuit and a loop-shaped filter structure, a broadband high-efficiency PA based on a new harmonic matching structure is realized. The novel loop-shaped filter can control the second and third harmonics in a wide frequency range and has a specific control effect on higher-order harmonics, which can further expand the bandwidth of class-F PA and improve efficiency. To verify its feasibility, a power amplifier with a bandwidth of 1.6 GHz-3.4 GHz, a saturated output power greater than 41 dBm, a drain efficiency of 65% -72% with a gain greater than 10dB is designed and fabricated using GaN HEMT CGH40010F transistor.

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