Analysis of Gunn Integrated Rectangular Microstrip Antenna

Abstract

The advancement of science and technology has accelerated the use of microwaves and millimeter waves in the area of communication engineering. Conventional microstrip antenna has a radiating patch on one side of a substrate and a ground plane on the other side. It has the attractive features like low profile, light weight, conformable to any shape, simple and inexpensive to manufacture using modern printed-circuit technology. In general, the patch conductors are made of copper or gold and can assume any shape. The analysis conducted on Gunn integrated rectangular microstrip antenna and evaluation of various parameters such as input impedance, voltage standing wave ratio (VSWR), return loss, radiation pattern, beamwidth, etc as a function of bias voltage and threshold voltage reveals that the Gunn loaded patch offers wider tunability, better matching, enhanced radiated power as compared to the patch alone.