Design and analysis of coplanar Lange coupler for millimetre-wave applications up to 90 GHz

Author

Chua, Lye Heng ; Ng, Aik Chun ; Ng, Geok Ing ; Wang, Hong ; Zhou, Jun ; Nakamura, Hiroshi

Author_Institution

Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore

fYear

2000

fDate

2000

Firstpage

392

Lastpage

395

Abstract

This paper presents the first millimetre-wave coplanar Lange couplers which operate at 32 GHz and 65 GHz with a 40 percent bandwidth. Detailed design and analysis using the HP-Momentum EM simulator have been carried out to compute the even- and odd-mode impedances and effective dielectric constant of the coupler. The comparison of simulated and measured S-parameters up to 90 GHz shows the validity of the design approach and the capability of integrated coplanar Lange couplers

Keywords

S-parameters; coplanar waveguide components; millimetre wave couplers; permittivity; waveguide couplers; 32 GHz; 65 GHz; 90 GHz; HP-Momentum EM simulator; S-parameters; bandwidth; coplanar Lange coupler; design; effective dielectric constant; even-mode impedances; integrated coplanar Lange couplers; millimetre-wave applications; odd-mode impedances; Bandwidth; Computational modeling; Dielectric constant; Directional couplers; Frequency; Gallium arsenide; Impedance; Microelectronics; Solid modeling; Space technology;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2000 Asia-Pacific

Conference_Location

Sydney, NSW

Print_ISBN

0-7803-6435-X

Type

conf

DOI

10.1109/APMC.2000.925827

Filename

925827