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13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Birmingham : A - Electronic, Electrical and computer engineering

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Article title

Micromachined Millimeter-Wave Rectangular-Coaxial Branch-Line Coupler With Enhanced Bandwidth

Type

D - Journal article

DOI

10.1109/TMTT.2009.2021872

Title of journal

IEEE Transactions on Microwave Theory and Techniques

Article number

Volume number

Issue number

First page of article

1655

ISSN of journal

0018-9480

Year of publication

2009

URL

Number of additional authors

Additional information

The novelty of this paper is twofold, firstly a well know microwave device, a branch-line coupler, is designed, constructed and tested for the first time in ultra-miniature form using micromachining techniques, and secondly a method to extend the bandwidth of any branch-line coupler is outlined. The coupler integrates novel miniature square coaxial cable to coplanar waveguide transitions for measurements. This is the first time such a complex multiport component of this type has been demonstrated in miniature coaxial-cable. The work was supported by EPSRC (£1.5M) contracts on micromachined circuits and novel circuit design with 5 companies involved.

Interdisciplinary

Cross-referral requested

Research group

A - Microwave Devices and Systems

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract