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A Millimeter-wave Power Combining Amplifier Based on a Waveguide-Microstrip E-Plane Dual-probe Four-way Power Combining Network

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Abstract

This paper presents a new millimeter-wave solid-state power combining amplifier, which is based on a waveguide-microstrip E-plane dual-probe four-way power combining network. With a compact structure and an easy fabrication process, this combining network fulfils waveguide-to-microstrip transition and power combining simultaneously, and shows a broad-band low loss performance in Ka-band. With good thermal property, a four-way high power combining amplifier is fabricated. The measured output power is more than 40 dBm in 32–37 GHz, and the highest output power, 15.8 W, occurs at 32 GHz. The corresponding combining efficiency is more than 77% in 32–38 GHz.

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Authors and Affiliations

  1. Institute of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, China

    Xiaoqiang Xie, Chengxi Zhao & Rui Diao

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  1. Xiaoqiang Xie
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  2. Chengxi Zhao
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  3. Rui Diao
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Correspondence to Xiaoqiang Xie.

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Xie, X., Zhao, C. & Diao, R. A Millimeter-wave Power Combining Amplifier Based on a Waveguide-Microstrip E-Plane Dual-probe Four-way Power Combining Network. Int J Infrared Milli Waves 29, 862–870 (2008). https://doi.org/10.1007/s10762-008-9380-7

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  • DOI: https://doi.org/10.1007/s10762-008-9380-7

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