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A wideband reconfigurable analog predistorter based on a new wideband tunable impedance matching network
Microwave and Optical Technology Letters ( IF 1.5 ) Pub Date : 2020-12-08 , DOI: 10.1002/mop.32753
Chenge Bian 1 , Dewei Zhang 1 , Hailin Deng 1 , Qing Liu 1 , Yi Zhang 1 , Dalong Lv 1 , Dongfang Zhou 1
Affiliation  

A wideband reconfigurable analog predistorter (APD), which can maintain the tuning capability in wideband frequency, is proposed in this letter. First, the requirements of tunable impedance matching network (TIMN) used in the wideband reconfigurable APD is given. Second, a new wideband TIMN is analyzed, and the coverage the proposed TIMN is given. Then the circuit parameters of the TIMN can be appropriately selected to maintain the coverage of the TIMN meeting the requirement at needed frequencies. To validate the proposed TIMN, a wideband reconfigurable APD operating at Q‐band (46.5–51.5 GHz) is designed, fabricated, and measured. The measured results show good agreement with the analysis. The minimum tuning range of gain and phase conversions are 12.5 dB and 46.5, respectively.

中文翻译:

基于新型宽带可调阻抗匹配网络的宽带可重构模拟预失真器

本文提出了一种宽带可重构模拟预失真器(APD),它可以保持宽带频率的调谐能力。首先,给出了宽带可重构APD中使用的可调阻抗匹配网络(TIMN)的要求。其次,分析了新的宽带TIMN,并给出了所建议的TIMN的覆盖范围。然后,可以适当地选择TIMN的电路参数,以在所需频率上保持TIMN的覆盖范围满足要求。为了验证提议的TIMN,设计,制造和测量了工作在Q波段(46.5-51.5 GHz)的宽带可重配置APD。测量结果与分析结果吻合良好。增益和相位转换的最小调谐范围分别为12.5 dB和46.5。
更新日期:2020-12-08
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