In this project, i have designed and simulated microstrip patch antenna working in 2. There are few basic things that must be known before designing an antenna in general such as. Design and simulation of microstrip rectangular patch antenna. In the next video, i will show how i have calculated. The hispico system is a highly integrated sband transmitter with special focus in design and testing. A patch antenna is a lowprofile directional radio antenna that is used for indoor locations covering singlefloor offices, stores and small studios. It consists of rectangular substrate and the metal trace layer as shown in fig. Patch is a radiating element and it can be available in different shapes like square,rectangular,circular,triangular etc. Design quarter wavelength feed patch antenna and recessed patch antenna to meet project specifications. In this section, well discuss the microstrip antenna, which is also commonly referred to as the patch antenna. Typical half wave patches have efficiencies well above 90%. One plate is larger than the other, which is called ground plane and. Our sband antenna ism is a high gain left hand circularly polarized antenna.
This sband patch antenna, with a dedicated designed for the hispico transmitter, is available for the requested frequency. The four element antenna array has demonstrated about 16dbi gain, a remarkable figure for its compact size. What is the difference between slot antenna and patch. To understand the basic design equations of microstrip patch antenna, watch the video available on the link. Optimization of sparameters of microstrip patch antenna in cst. How to find impedance at edge of a microstrip patch in cst. Design and analysis of microstrip patch antenna arrays. Design of microstrip patch antenna mpa in cst mws full. What is the difference between slot antenna and patch antenna. Now, on the other hand without proper design, when you place any scatteringradiating structure too close to the ground plane e. Calculation of the dimension of the patch antenna, substrate, ground plane, effective dielectric constant, impedance etc.
Slot antenna differs with patch antenna in many aspects. Analysis of micro strip patch antenna using coaxial feed. The microstrip antenna is a relatively modern invention. Minimizing the sparameter data means that the optimizer tries to find a. Microstrip square patch antenna using cst by shamsur. The geometry of micro strip patch antenna is shown in fig. For wideband patch antenna design on new cst 2017 version, please watch this. How to design reconfigurable antenna in cst studio suite youtube. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. The return loss and the various gain plots have been studied along with the radiation patterns. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface.
Eshail2 oscar 100 dual band patch antenna uhfsatcom. A design of small sized, low profile patch antenna is proposed for bluetooth applications at 2. Design of microstrip antenna in cst microwave studio. Simulate and analyze linear end fire array of patch antenna design. Antenna designing using cst computer simulation technology this video explains the use of cst for rf application to design patch. Cst studio suite 3d em simulation and analysis software. In the drawing above, blue area is the substrate and brown area represents the top conducting layer which is half of the antenna. Build your own patch antenna for your next pcb pcb. Jun 01, 2015 design and simulation microstrip patch antenna using cst microwave studio 1. The patch is design with different parameters like return loss, vswr, directivity along two directions. Jul 28, 2016 microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. Microstrip antenna an overview sciencedirect topics. The rectangular patch antenna is analyzed, and what is learned here will be applied to understanding pifas planar invertedf antennas. Placing a patch antenna directly on your pcb is quite easy when you use the right design software.
Simple dipole antenna to understand the function of the antenna we consider the antenna to be enclosed by a surface volume and radiate in homogenous space free space. The patch antenna developed for 436mhz by greg vk3blg in 2003 is a remarkable antenna for amateur satellite work. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. This video will show us the step by step process of designing 4x4 spherical microstrip patch antenna array in cst studio suite 2019. Microstrip patch antenna designed using cst microwave studio the antenna is being excited with the coaxial feed point located at distance dx and dy from the centre of the patch. Microstrip patch antenna with coaxial feed using cst mws.
Microstrip patch antenna calculator patch antenna formula. Microstrip antennas have high q q 100 is common, which means that they have small bandwidths. How can one design a reconfigurable patch antenna in cst. This video shows the design of a microstrip patch antenna in cst microwave studio 2010. In this paper, we introduce dualband micro strip patch antenna design for wimax and wifi implementation by mean of 3.
Microstrip square patch antenna using cst by shamsur rahman. Microstrip antenna design with cst my antenna simulations. Design and simulation microstrip patch antenna using cst microwave studio 1. Following equations or formula are used for this microstrip patch antenna calculator. Sband patch antenna cubesat module cubesat by endurosat. Cst microwave studio is used to design the metamaterial based rectangular microstrip patch antenna. Feed line distributes rf power to different part of antenna. Microstrip patch antenna design for ku band application. Microstrip square patch antenna using cst by shamsur rahman akash duration. In general microstrip patch antennas are also known as printed antennas. You need to be able to define a custom shape for your ground plane and the shape of your conductor that will act as your receivertransmitter. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. The patch antenna is a good place to start for antenna fundamentals with more coming. Design of microstrip antenna in cst microwave studio this is the second part of the inset fed patch antenna design tutorial using cst microwave studio.
There is another bottom layer underneath blue area covering the whole area that is the ground conducting layer the other half of the antenna. Design and simulation microstrip patch antenna using cst. Actually, slot antenna is a radiating element formed by a slot in a metallic surface. Designed and simulated by cst computer simulation technology. Mar 17, 2017 this video explains the use of cst for rf application to design patch antenna.
Pdf introduction on microstrip patch antenna design rectangular microstrip patch antenna with microstrip feed line theoretically to design. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. The antenna was modeled in cst microwave studio and the results are illustrated below. The dimensions of antenna can be found in the hfss simulation file. Cst simulation software is userfriendly and enables us to choose the most appropriate method for the design and optimization of devices operating in a wide range of frequencies. There is another bottom layer underneath blue area covering the whole area that is the ground. The overall design steps for designing the patch antenna in cst microwave studio involves 1. The frequency of operation of the patch antenna of figure 1 is determined by the length l. The process is explained in the following document. Microstrip square patch antenna using cst by shamsur rahman akash. Additionally, table 1 details antenna characteristics from the cst simulation. May 25, 2019 slot antenna differs with patch antenna in many aspects. Microstrip patch antenna design linkedin slideshare. In this part of the tutorial, we will use the dimension calculated in the first part to design the patch antenna in cst microwave studio.
Microstrip square patch antenna using cst by shamsur rahman akash shamsur rahman akash. They are the original type of microstrip antenna described by howell in 1972. Analysis and design of ism band patch antenna array. Well look at the polarization and radiation patterns, gain, impedance matching and frequency tolerance to determine the ideal patch for your design. The antenna is attractive due to its lowprofile conformal design, relatively low cost and very narrow bandwidth. Simple patch antenna design with using cst studio suite youtube. Ill use the terms microstrip antenna and patch antenna interchangeably. Inputting the parameter obtained into the cst microwave studio, draw the substrate, ground plane, patch antenna, gap between. Pdf design and simulation microstrip patch antenna using cst. This is the second part of the inset fed patch antenna design tutorial using cst microwave studio.
This video tutorial shows how to design a microstrip patch antenna in cst software. The project here provides a detailed study of how to design a probefed square microstrip patch antenna using hfss, v11. Analysis of micro strip patch antenna using coaxial feed and. The main goal of this paper is design a compact microstrip antenna module microstrip patch and fss structure. As the outcome from this final year project, a suitable phased array antenna operating at 12 ghz is designed using cst software. The center frequency will be approximately given by. The optimizer tries to minimize the sparameter data. Additional benefits of patch antennas is that they are easily fabricated making them cost effective. The directivity of a patch can be estimated quite easily. The fundamentals of patch antenna design and performance. It was invented to allow convenient integration of an antenna and other driving circuitry of a communication system on a common printedcircuit board or a semiconductor chip carver and mink, 1981. The microstrip patch antenna is used in a wide range of applications since it is easy to design and fabricate. If the ratio lw is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance.
A patch antenna radiates power in certain directions and we say that the antenna has directivity usually expressed in dbi. Microstrip patch antenna is used in mobile handset due to simple look, lower cost, small size and light in weight. The above equation says that the microstrip antenna should have a length equal to one half of a wavelength within the dielectric substrate medium. Design of 4x4 spherical patch antenna array in cst studio. Patch antenna cst model the s11 and farfield realized gain plots are depicted in figures 3 and 4, respectively. This video shows how to design a wideband patch antenna or monopole antenna in cst from the scratch including simulation results s11. Patch antenna design tutorial with cst microwave this is a tutorial series on microstrip patch antenna design with inset feed in cst microwave. Design and simulation of microstrip rectangular patch. If the antenna had a 100% radiation efficiency, all directivity would be converted to gain. Simulation results using cst studio showed that high gain 54 % increment and efficiency is increased to 97% have been achieved by the proposed antenna module ms and fss. The microstrip patch antenna calculator determines the length l and width w of a rectangular microstrip patch antenna for a given resonant frequency or vice versa. Of course, tradeoffs also occurs, so you must be careful. This video contains microstrip antenna drawing and simulation with using cst studio suite.
I need to find the minimum level that the s1,1 db can be reached, but when i use the minoperator in the optimizer,it means. The patch is generally made up of a conducting material such as copper or gold and can take any possible shape like rectangular, circular, triangular, elliptical or. The frequency range in which the antenna is planed to be be propagating, the size of the antenna, the material, the gain of the antenna and. In that vein, innovators from singapore have developed a taperedslit cp patch antenna with a compact rectifier for energyharvesting purposes. Basically, the microstrip patch antenna consists of. If you want to derive the patch edge impedance on higherorder modes, then you must choose a waveguide port with respect to the size of it, mentioned in csts help. Extensive optimization process for optimum antenna performance is generated besides analyzing the beam forming pattern of. This antenna does not take any much extra size and can be etched on the same mobile pcb itself. First the model of the microstrip patch antenna has to be drawn in hfss. But illustrates sizes and importance of good antenna design why microstrip antennas.
It is mounted on a small, rectangular, flat surface and consists of two metallic plates placed upon each other. If you want to derive the patch edge impedance on higherorder modes, then you must choose a waveguide port with respect to the size of it, mentioned in cst s help. Generally, patch antenna has a shape of rectangle, and it can be feed with copper cable or microstrip line in our case. Microstrip patch antenna design santa clara university. The basics of patch antennas, updated orban microwave. Patch antenna design tutorial with cst microwave electronic2017. Alternate feed methods a common variation in patch antenna design is the location and routing of the feed, to obtain a desired feedpoint impedance, to control the polarization, or for convenient layout. Now when that happens, the usual microstrip patch antenna analysis comes in. Design of a rectangular microstrip patch antenna using.
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