Ultra-Wideband Crossover Using Microstrip-to-Coplanar Waveguide Transitions

被引：61

作者：

Abbosh, A. ^{[1
]}

Ibrahim, S. ^{[1
]}

Karim, M. ^{[1
]}

机构：

[1] Univ Queensland, Sch ITEE, Brisbane, Qld 4072, Australia

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2012年 / 22卷 / 10期

关键词：

Crossover; four-port devices; microstrip components; 4-PORT MICROSTRIP; DESIGN;

D O I：

10.1109/LMWC.2012.2218586

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The design of an ultra-wideband crossover for use in printed microwave circuits is presented. It employs a pair of broadside-coupled microstrip-to-coplanar waveguide (CPW) transitions, and a pair of uniplanar microstrip-to-CPW transitions. A lumped-element equivalent circuit is used to explain the operation of the proposed crossover. Its performance is evaluated via full-wave electromagnetic simulations and measurements. The designed device is constructed on a single substrate, and thus, it is fully compatible with microstrip-based microwave circuits. The crossover is shown to operate across the frequency band from 3.1 to 11 GHz with more than 15 dB of isolation, less than 1 dB of insertion loss, and less than 0.1 ns of deviation in the group delay.

引用

页码：500 / 502

页数：3

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