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一个1-6 GHz宽带双平衡混合器的设计

Yujun Wang^1,2,3, Jianglai Tian³, Bo Wang³

¹Institute of Microelectronics of Chinese Academy of Sciences, Beijing 100029, China.

|November 25, 2023

概括

本研究介绍了一种增强的宽带双平衡混合器,可在1-6 GHz范围内工作. 诸如电容加载和LC过等技术显著提高了性能,扩大了带宽,减少了信号泄漏,以获得更好的射频应用.

科学领域:

电气工程电气工程
微波工程微波工程

背景情况:

标准的Marchand气球混合器在高频性能和信号泄漏方面存在局限性.
宽带混合器的设计需要解决幅度和相位不平衡,以实现更广泛的操作范围.

研究的目的:

为1-6 GHz宽带双平衡混合器提出和验证性能增强技术.
为了提高带宽并减少混合器设计中的信号泄漏.

主要方法:

实现电容器加载以纠正高频率的气球失衡.
在中频 (IF) 端口上连接一级LC波器以减轻无线电频率 (RF) 和局部振荡器 (LO) 信号泄漏.
使用双层螺旋线结构设计一个宽带的balun.

主要成果:

通过电容加载,将混合器的相对带宽扩大了0.1.
通过使用LC波器,在IF端口的RF和LO信号泄漏量分别减少了约8dB和7dB.
在IF和RF端口之间实现了34dB隔离的混合器,在1dB压缩点 (IP1dB) 上输入功率为13.5dBm.

结论:

提出的技术有效地提高了宽带双平衡混合器的性能.
开发的1-6 GHz混合器显示了改进的带宽和减少的信号泄漏,适用于先进的射频应用.
该GaAs pHEMT制造工艺使得一个紧的混合器设计具有竞争力的性能指标.

关键词:

马赛德和巴卢恩 (Marchand Balun) 是一个商店.宽带宽带是什么意思阻抗阻抗是指阻抗的阻抗.混合器混合器混合器

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