Antenna design procedure figure 1 shows the configuration of the stacked triangular patch antenna that was considered in this paper. An antenna radiation pattern or antenna pattern is defined as a mathematical function or a graphical representation of the radiation properties of the antenna as a function of space coordinates. The triangular shaped patch antennas are preferably used for research. Various shapes of microstrip patch antenna had been designed in antenna field. The twolayer triangular patch at both the frequencies 3. The microstrip patch antenna array is designed for single frequency of 4. Janvale2, bhausaheb vyankatrao pawar3, pradeep mitharam patil4 1department of electronics engineering, north maharashtra university, jalgaon, india.
This shift is due to fringing fields around the antenna. The proposed structure was printed on fr4 substrate having a thickness of 1. This rectangular microstrip patch antenna is designed for wireless communication application that works at 2. Study of a microstrip triangular patch antenna for body area network.
Table of contents jordan university of science and. Pdf analysis and design of rectangular microstrip patch. At the same time, there exist many papers on practical analysis and design of particular classes of antennas used for other application 1416. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. All of the parameters in a rectangular patch antenna design l, w, h, permittivity control the properties of the antenna. Design of a dual patch triangular microstrip antenna. The length width w and length l of the patch at a resonant frequency of 2. Here is a really nice summary of many controlled impedance line equations, by rick hartley.
It is shown to be possible to design twolayer equilateral triangular patch antenna for dualband. Comparative analysis of rectangular and triangular. In practice complicated solutions of maxwells equations for given boundary conditions are usually not. Design of triangular microstrip patch antenna array for 4g ijournals. Design and bandwidth optimization on triangle patch microstrip. We have extended this technique to create dual band behavior by using different dimensions for each resonator 12. This paper presents the design equations for lower bandedge frequency for all the regular shapes of printed monopole antennas with various feed positions. In this paper, a new triangular patch antenna with u shaped slots is presented which resonates at 0. The performance parameters were achieved with return loss 16. The above equation gives the width of the micro strip patch antenna.
The detailed geometrical parameters of patch antenna are shown in table 1. Metrics and vector descriptions favoring simplicity bias the design accordingly. To design a rectangular microstrip patch antenna we decide the substrate material and the thickness of it. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. The analysis of a microstrip antenna using cavity model is well documented in, but the relevant equations are also given here for reference purpose.
Be aware that there are many microstrip impedance calculators on the internet that give sometimes widely varying results. Triangular patch antenna is designed with rtduroid 5880 substrateand microstrip feeding. Antennas antennas couple propagating electromagnetic waves to and from circuits and devices, typically using wires treated in section 3. As such, this page gives a general idea of how the parameters affect performance, in order to understand the design process. It also has a wide angle of beam in its radiation pattern. Microstrip patch antenna has the advantages of simple to manufacture or fabricate, low cost, easy to form a large array and has light weight. Design of equilateral triangular microstrip patch antenna with coaxial feeding technique abstractthis paper presents design of equilateral triangular microstrip patch antenna with operating frequency at. Dimension of triangular patch antenna permittivity 0. Design of a triangular patch antenna for s band applications. Rectaangular microstrip patch antenna for wireless. The design equations are given in the following steps.
In this video standard design equations that are used to design microstrip patch antenna are expained you can download the software from the below link of my drive. P, india abstract here we made an attempt to maximize the gain of microstrip patch antenna. After substituting the above equation with the given value for fr 2. This thesis involves the design and analysis of dual band microstrip patch antenna which operates at lower and upper resonating frequency of 3. The length of the feed transmission line is a critical design parameter of these monopole antennas. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. In the above figure, you will see that the first value of the side is chosen as the base of the triangle. Triangular microstrip patch antenna consists of a triangular shape radiating patch on one side of dielectric substrate which mounted on a ground plane. There are other forms of microstrip antennas, such as circular, square, triangular, eshape. The conventional patch antenna equations were taken from 10 and 11 asmention previously in chapter 2. The proportion sizes of this antenna can be get using equations 1. Study of a microstrip triangular patch antenna for body area network applications.
The design of circular microstrip patch antenna by using quasinewton algorithm of ann abhilasha mishra1, ganesh b. In this paper, a triangular patch microstrip antenna on the substrate material of a photonic crystal is designed and analyzed. The far field radiation patterns for both antenna models are characteristics of a patch antenna on a thin pbg depicted in fig. Microstrip rectangular patch transmission line model. The frequency of operation of the patch antenna of figure 1 is determined by the length l.
The design of isosceles triangular shape microstrip patch antenna design with above mentioned dimension with microstrip line feed technique. Scu center for analog design and research outline introduction antenna basics microstrip antennas design methodology design guidelines footprint equations circuit equivalent equations quick example em solvers. The average and vector current distributions of antenna1 and antenna2 are shown in figs. A triangular patch antenna for uhf band with microstrip. The antenna design is exposed in figure 2 whereas the dimensions of this antenna structure are exposed in table 1. For getting the good performance of patch antenna we must careful about the height, dielectric constant of material and operating frequency. Rectangular patch antennas are notoriously narrowband. Microstrip patch antenna designed using gems for 3 ghz. The proposed patch antenna is designed and all the parameters are simulated on the zeland ie3d software. Create a scalene triangular patch antenna with side using the following dimensions. Design and research of rectangular, circular and triangular. Equilateral triangular microstrip antenna for circular.
Secondly, the microstrip antenna was designed to operate at 100 mhz, but it is resonant at approximately 96 mhz. Need software tool to compute that metric for wire antennas. Duo triangle shaped microstrip patch antenna analysis for. The results obtain that microstrip patch antenna can be used as client antenna in computer and workable antenna for wireless fidelity. Microstrip patch antenna design principles ben horwath.
Circular patch the modes supported by the circular patch antenna can be found by treating the patch, ground plane, and the material between the two as a circular cavity. To maintain the same electric current intensity with identical phase for each array element we have. Analysis and design of circular microstrip patch antenna at 5. The center frequency will be approximately given by. Various design formulae to calculate the input impedance of patch antenna and techniques to design a matching network should be known to rf designer.
The design of circular microstrip patch antenna by using. The use of slotted patch reduces the size of antenna and higher bandwidth, which is the area that can be improved with the proposed design. Design curves for the length of the feed transmission line for various lower bandedge frequencies for all these regular shaped monopoles. The patch antenna is a good place to start for antenna fundamentals.
It is shown to be possible to design twolayer equilateral triangular. The dimension and position of the duotriangular patch as well as the shifting of probefeed coordinates have been optimized to achieve the wide bandwidth. Iin the fr4 is specially for the low frequencis applications and for the higher frequencies its loss becomes dominant. Pdf in this paper, a triangular patch microstrip antenna on the substrate material of a photonic crystal is designed and analyzed. Using the above techniques, two antennas were designed.
Considering the dominant mode of an equilateral triangular microstrip antenna etma, the sidelength, a, as stated by ramesh et al. Rectangular microstrip antenna design is based on transmission line model, while circular and triangular microstrip antenna designs are based on cavity model. The ground plane lies at the bottom of the substrate of size of 60 mm x 60 mm. For analysis of triangular patch antenna only one expansion basis function for the unknown surface patch antenna is assumed, given by. The layout is simulated in hfss software with 3ghz operating frequency. A rectangular patch design equations are introduced and validated ije by well simulated results. Pdf design of a triangular patch microstrip antenna on a. Figure 1 shows the antenna structure which consists of the circular slot, the triangular patch radiator and a rectangular feed line, where htp1, h tp2 are the lengths of the sides of the patch and w tp is its width, r cs is the radius of the circular slot, l rf is the length of the rectangular feed line, w rf is its width, g sf is the distance. Using the equations mentioned above, a square microstrip patch antenna is designed at a resonant frequency of 2.
Impedance matching techniques for microstrip patch antenna. The dipole antenna was the first type of antenna to be ever used and the simplest one to study and understand, it is a strait wire fed from the centre. The patch is design with different parameters like return loss, vswr, directivity along two directions, radiation pattern in. Microstrip patch antenna design santa clara university. Design of a triangular patch microstrip antenna on a. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Alakmajumder design of an hshaped microstrip patch antenna for bluetooth applications. Comparison of rectangular, circular and triangular patch antenna. All of these papers agree on the basic equation for the resonant frequency given by. Design of triangular microstrip patch antenna array for 4g. Design of a high gain equilateral triangular microstrip patch antenna. Rr radiation restance rddisspation resistance rr is calculated by. A noticeable feature in the design of microstrip antennas is that each shape is.
Inset fed triangular shaped patch antenna design at 2. Full wave approach is used to study designing equations for the radiating. Design aspects of printed monopole antennas for ultrawide. Proposed antenna geometry epoxy dielectric substrate with relative permittivity of. Antenna design the geometrical configuration of a triangular patch antenna is shown in fig.
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