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Block diagram of proposed DPA

Block diagram of proposed DPA

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Block diagram of proposed DPA
The proposed DPA architecture
Schematic diagram of MIMN
The impedance of MIMN and a high-efficiency impedance space of PAE, b...
+9 Input impedances of fundamental, second, and third harmonics in the...
An Efficient S-Band Doherty Power Amplifier Using Multi-state Integrated Matching
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  • Sep 2022
This paper proposes a 3.2–3.8-GHz Doherty power amplifier with simultaneous harmonic control, dual impedance matching, and wideband operation using a multi-state integrated matching network (MIMN). The MIMN controls the second harmonic open and third harmonic short at the center frequency of the carrier amplifier, enabling the carrier amplifier to...
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Citations

... A combined network is adopted to integrate drain-source capacitor Cds into output matching, thus achieving high back-off drain efficiency [4]. Multi-state integrated output matching is adopted to enhance the back-off efficiency of the power amplifier [5]. A CM-DPA harmonic control method is proposed to improve efficiency [6]. ...
Design of High-efficiency Continuous Class F Doherty Power Amplifier
Article
Full-text available
  • Oct 2023
  • J Phys Conf
The high efficiency of the saturation state and rollback state is an important part of the front end of modern wireless communication systems. Improving the efficiency of RF power amplifiers is of great significance for energy saving and amplifier performance. Based on the traditional Doherty power amplifier, the harmonic suppression network is introduced before the fundamental frequency matching, so that the second harmonic impedance and third harmonic impedance can achieve continuous class F impedance matching conditions, and then the saturation efficiency and regression efficiency can be improved without affecting the fundamental wave matching. The results of the simulation show that the saturation efficiency of the Doherty amplifier reaches 73.94%~77.22%. The drain efficiency of back-off 6 dB reaches 61.80%~62.92%. The average saturation drain efficiency is 75.58%, and the average back-off 6 dB drain efficiency is 62.36%.
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