Wideband high-efficiency extended continuous Class F power amplifier using a new wideband bandstop network
Minshi Jia
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Nokia Solutions and Networks System Technology (Beijing) Co., Ltd., Beijing, China
Search for more papers by this authorCorresponding Author
Zhiqun Cheng
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Correspondence Zhiqun Cheng and Hang Li, Key Laboratory of RF Circuit and System of Education Ministry, Hangzhou Dianzi University, Hangzhou 310018, China.
Email: [email protected] and [email protected]
Search for more papers by this authorYongre Shi
Nokia Solutions and Networks System Technology (Beijing) Co., Ltd., Beijing, China
Search for more papers by this authorCorresponding Author
Hang Li
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Correspondence Zhiqun Cheng and Hang Li, Key Laboratory of RF Circuit and System of Education Ministry, Hangzhou Dianzi University, Hangzhou 310018, China.
Email: [email protected] and [email protected]
Search for more papers by this authorXiaomei Zhao
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Search for more papers by this authorZhiwei Zhang
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Search for more papers by this authorMinshi Jia
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Nokia Solutions and Networks System Technology (Beijing) Co., Ltd., Beijing, China
Search for more papers by this authorCorresponding Author
Zhiqun Cheng
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Correspondence Zhiqun Cheng and Hang Li, Key Laboratory of RF Circuit and System of Education Ministry, Hangzhou Dianzi University, Hangzhou 310018, China.
Email: [email protected] and [email protected]
Search for more papers by this authorYongre Shi
Nokia Solutions and Networks System Technology (Beijing) Co., Ltd., Beijing, China
Search for more papers by this authorCorresponding Author
Hang Li
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Correspondence Zhiqun Cheng and Hang Li, Key Laboratory of RF Circuit and System of Education Ministry, Hangzhou Dianzi University, Hangzhou 310018, China.
Email: [email protected] and [email protected]
Search for more papers by this authorXiaomei Zhao
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Search for more papers by this authorZhiwei Zhang
Key Lab of RF Circuit and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou, China
Search for more papers by this authorAbstract
In this letter, we propose a novel methodology for designing high-efficiency broadband harmonic-controlled power amplifiers (PAs) using a new wideband bandstop network. This network consists of many parallel open circuit microstrip lines, each corresponding to a quarter of wavelength for different frequencies. This topology can improve efficiency and bandwidth by controlling harmonic match impedance. The harmonic and the fundamental matching networks can be designed simultaneously to reduce the mutual effect between them. We also design and fabricate a highly efficient PA with more than an octave bandwidth to verify the validity of the proposed network structure. The measured results show that the fractional bandwidth is 82.9% from 1.2 to 2.9 GHz. The drain efficiency that can be achieved is 86.06% and the maximum output power is 42.97 dBm when the input power is 30 dBm between 1.2 and 2.9 GHz.
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are openly available in [repository name] at [DOI].
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