Transmission Line Model for an Edge-Coupled Patch Antenna

Abstract

In this paper, a simple transmission line model for an edge‐coupled patch antenna is presented. The coupled section is modeled with a lump network which represents the mutual admittance between patches and from patch to ground. Theoretical analysis of two edge‐coupled patch antenna models are compared by simulation and experiment in antennas designed to operate at the 2 GHz band. The proposed model predicts the return loss of the antenna accurately.

Design of TLM Equivalent Circuit of Two Element Microstrip Patch Antenna Array

“…Table 1 shows feed widths for different feed impedances. Figure 2 present the 2 element microstrip patch antenna array [8] [9][10] whose TLM equivalent circuit [11] is to be designed. Here, as both the notch elements [12][13] are having same dimensions the value of inductance is going to be the same for both the notches.…”

An Analytic Model for Impedance Calculation of an RFID Metal Tag

“…To this end, the 1536-1225/$26.00 © 2010 IEEE antenna impedance must be accurately calculated during the course of design process. Transmission line model can accurately characterize the impedance of 50-patch antennas [6]. However, such models can only be applied to patch antennas having simple geometry and are fed by unbalanced feeds such as coaxial connectors and microstrip lines.…”

“…The impedance of the radiating edge seen by port 2 can be found by transforming through the low-loss transmission line (5) where is the length of the microstrip line, (6) and…”