摘要
Wilkinson功分器是一种常用的无源器件,随着通信设备小型化的要求越来越高,无源器件的体积成为其发展瓶颈。为解决这个问题,在分析螺旋电感主要参数及等效电路基础上,提出了一种基于π型等效1/4波长传输线原理,利用集总参数元件组成等效微带线电路的集总参数方法,设计出Si沉底上的螺旋电感和片上电容来实现微波单片集成(MMIC)电路的Wil-kinson功分器。实验表明,同等性能情况下,该方法设计的Wilkinson功分器可以有效减少Wil-kinson功分器的外形尺寸。
The Wilkinson power divider has been widely used in microwave systems for decades.Due to the use of transmission line sections in conventional circuit implementation,the size of a Wilkinson power divider is proportional to the wavelength at the center frequency.This paper designed and analyzed the Wilkinson power dividers for the purpose of reducing the size of the high-frequency electronic devices and circuits with the low-power loss.It used a π-type lumped LC circuits structure to replace the 1/4 wavelength microstrip line to realize a miniaturization of the Wilkinson power divider.Concretely,the Wilkinson power dividers have been highly miniaturized by substituting a quarter-wavelength line for π-type lumped elements and when the dividers are kept the efficient.
出处
《信息技术》
2011年第3期94-96,共3页
Information Technology
