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A millimeter-wave GaAs 5-bit MMIC digital phase shifter

机译:毫米波GaAs 5位MMIC数字移相器

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摘要

This article analyzes the phase shift principle of the monolithic digital phase shifter, and introduces the design method and the structure of each basic shift phase state, and design a 34–36 GHz 5-bit digital phase shifter. Based on the GaAs PHEMT technology, we used ADS Momentum microwave design environment to perform simulations. Finally, the main index of the 5 bit digital phase shifter are: the RMS values of the main shift phase state is less than 2.3 ∘; Return loss is less than − 14 dB; Insertion loss is within the range of 8.0 ∼ 9.1 dB; Insertion loss fluctuations is within the range of − 0.6 ∼ 0.4 dB; The chip size is 3.0 mm × 2.0 mm; Control voltage is − 5 v / 0 v. the test result shows that this design method is feasible, and points out that the design needs to be improved in various of models.
机译:本文分析了单片数字移相器的相移原理,介绍了每个基本移相状态的设计方法和结构,并设计了一个34–36 GHz的5位数字移相器。基于GaAs PHEMT技术,我们使用ADS Momentum微波设计环境进行了仿真。最后,5位数字移相器的主要指标是:主移相状态的RMS值小于2.3∘;回波损耗小于− 14 dB;插入损耗在8.0〜9.1dB的范围内;插入损耗波动在-0.6〜0.4 dB的范围内;芯片尺寸为3.0毫米×2.0毫米;控制电压为− 5 v / 0 v。测试结果表明该设计方法是可行的,并指出在各种模型中都需要改进设计。

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