Beam Switching Ultra-Wideband Antenna For Medical Application

Lee, Vei Hung (2017) Beam Switching Ultra-Wideband Antenna For Medical Application. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

Text Beam Switching Ultra-Wideband Antenna For Medical Application - Lee Vei Hung - 24 Pages.pdf - Submitted Version Download (672kB)

Abstract

Microwave imaging is an emerging technology in the medical sector which have similar function as X-ray, MRI, and CT scan. The operating frequency of microwave imaging is 3.1 GHz to 10.6 GHz which is also known as the Ultra-Wideband frequencies. The design of the microwave imaging system is using monostatic radar approach which antenna will be use as both transmitter and receiver, therefore a switching system that switch between transmitter, receiver, and 8 units of antenna sensors have to be design. The characteristics of the switching system need to have insertion loss lower than -6dB and isolation higher than -15dB. This switching system will be design using Advanced Design System (ADS) software and it contain one unit of Single Pole Double Throw (SPDT) and one unit of Single Pole Eight Throw (SP8T). Model of the capacitors, inductors, and PIN diode will be study and the performance is verify in this report whether it is suitable to operate in UWB frequency. Substrate use will be Roger RO 4350 with the dielectric constant of 3.48. The performance of the SPDT design and SP8T design will be review by the end of the report.

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