Hfss Antenna Design Kit Free Download

Fundamentally, the current trend of miniaturization presents an additional set of challenges when creating or supporting innovative wireless designs. In addition, with increasing application areas and environments that now incorporate antennas, antenna design is dependent on optimization. The solution, Ansys High-Frequency Structure Simulator (HFSS).

Ansys High-Frequency Structure Simulator (HFSS) is a general-purpose full-wave 3D electromagnetic (EM) simulation software for simulating and optimizing high-frequency electronics products like antennas, antenna arrays, high-speed interconnects, and printed circuit boards to name a few. Using Ansys HFSS allows engineers to accurately evaluate the performance of complex designs before the prototype phase. Many antenna design application calculations cannot be done by hand, making this high-frequency software extremely valuable for the end-user.

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Shooting and Bouncing Rays (SBR) Solver: This application analyzes the antenna placement scenarios on electrically huge platforms (on the order of 100s to 1000s of electrical wavelengths in size).

This worksheet guides users on modeling a quarter-wavelength monopole antenna on an infinite ground plane and observing its characteristics. The worksheet starts with parameter settings and continues on to antenna design, boundary setting, radiation setting, and then to simulation and viewing the results.

This worksheet is designed to oberserve the variations in results when the mesh is varied from coarse to fine, hence how to find the optimum mesh size such that we can get accurate results while not compromising computational power.

In this worksheet, the users can design a small loop. The small loop shows low directivity, hence at the end of the worksheet, the users can chanage the design parameters and increase the directivity.

This worksheet designs an antenna array with three identical dipole elemetns. The antenna is operating as a broadside array. By changing the parameters the users can view the grating lobes in addition to the main lobe.

This worksheet creates a helical antenna operating in the axial mode. The antenna is mounted on a ground plane. The users can change the circumference of the helix and change the operating mode to broadside or conical if they wish.

Yes, I can see the frequency decreased. I am confused now. DN023 says "The impedance of this antenna is approximately matched to 50 ohm, no external matching components are needed". Obviously, all test results in DN023 is based on the small PCB board. Why my simulation result of S11 doesn't match the result in DN023?

I simulated the exactly antenna of DN023 (L6=9mm)( the same ground size, the same antenna size, the same 0.8 FR-4 substrate) in HFSS and I got the impedance of the antenna 12.0755 - j9.3277 at 870MHz. What could be wrong in my simulation?

Engineers use Ansys HFSS primarily to design and simulate high-speed, high-frequency electronics in radar systems, communication systems, satellites, ADAS, microchips, printed circuit boards, IoT products, and other digital devices and RF devices. The solver has also been used to simulate the electromagnetic behavior of objects such as automobiles and aircraft. ANSYS HFSS allows system and circuit designers to simulate EM issues such as losses due to attenuation, coupling, radiation and reflection.[2]

HFSS captures and simulates objects in 3D, accounting for materials composition and shapes/geometries of each object. HFSS is one of several commercial tools used for antenna design, and the design of complex radio frequency electronic circuit elements including filters, transmission lines, and packaging.

In 1984, Dr. Cendes founded Ansoft Corporation to design and develop high performance EDA software. He served as its chairman and chief technology officer until 2008, when Ansys acquired Ansoft.[5][6]

ANYSY HFSS provides many options for creating non-planar and conformal shapes. In MCAD you may use shapes such as cylinders or spheres, and with some steps, you can design you antennas on various surfaces. In some applications, it is necessary to study the effect of curvatures and shapes on the antenna performance. For example for wearable antennas it is important to study the effect of bending, crumpling and air-gap between antenna and human body.

Bending a substrate can change the transmission line and antenna impedance. By using equation based port the change in transmission line impedance effect is removed. However, the overall radiation surface is also changed that will have effects on S11. The results of S11 for the planar design, cylindrical design (Fig. 8), cos (Fig. 11 b), and cos^3 (Fig. 11 c) designs are shown in Fig. 12. If it is of interest to include the change in the transmission line impedance, the port should be kept in a rectangular shape.

Engineers use Ansys HFSS software to design high-frequency, high-speed electronics optimized for use in applications including communications systems, ADAS, satellites, and IoT devices. The latest release, Ansys 2023 R1, empowers users to run large jobs and overcome hardware capacity limitations with new high-performance computing and cloud capabilities, enhanced solver algorithms, and powerful graphical processing units. It also supports new collaborative, model-based systems engineering workflow capabilities and integrated more AI and machine learning capabilities to further improve engineering efficiency and accelerate innovation.

Ansys 2023 R1 features direct links to simulation models for 13 of the most popular KYOCERA AVX antennas, including embedded FR4 and ceramic GNSS, ISM, BLE, Wi-Fi, LPWA, 5G/LTE antennas widely employed in IoT, medical, and automotive applications. When users click on the 13 KYOCERA AVX antenna components featured in the Ansys 2023 R1 software, they will be transported to the KYOCERA AVX website to download the simulation files.

These 13 embedded antenna models are also available on the KYOCERA AVX website for Ansys HFSS versions 2019 R3 to 2022 R2. In addition, a complete range of KYOCERA AVX embedded antenna models designed for use with all of these versions will be available in Q2 2023.

Hi!

I am new to RFIC design. I wanna do a simulation for a whole RF transceiver including the antenna and the wave propagation. And I am now just in the stage of system level design. (After finish the system verification, I will do the transistor level design.)

If I design an antenna in CST or HFSS. How can I import their result inot Cadence spectre?

If without the sepecific character data of antenna, I think I cannot make sure that my transceiver can work well.

I'm trying to get advice from people who have used HFSS and actually designed antennas. I am starting out with HFSS, and want to create my own antenna from design to creation. I have taken an Antenna theory class, so am decently understanding of how to design different types. The hardest thing for me is thinking about what can actually be created easily, but isn't so simple as two wires separated from each other. I don't have a CNC machine, only a 3d printer. Are there any cheap antenna manufacturers for small antennas, similar to how pcb's are manufactured cheaply?

A linearly-polarized aperture coupled patch antenna design is characterized and optimized using HFSS antenna simulation software. This thesis focuses on the aperture coupled patch antenna due to the lack of fabrication and tuning documentation for the design of this antenna and its usefulness in arrays and orthogonally polarized communications. The goal of this thesis is to explore dimension effects on aperture coupled antenna performance, to develop a design and tuning procedure, and to describe performance effects through electromagnetic principles.

Antenna parameters examined in this study include the dimensions and locations of the substrates, feed line, ground plane coupling slot, and patch. The operating frequency, input VSWR, percent bandwidth, polarization ratio, and broadside gain are determined for each antenna configuration.

The substrate material is changed from RT Duroid (material in nominal HFSS design) to FR4 due to lower cost and availability. The operating frequency is changed from 2.3GHz (specified in nominal HFSS design) to 2.4GHz for wireless communication applications. Required dimensional adjustments when changing substrate materials and operating frequencies for this antenna are non-trivial and the new design procedure is used to tune the antenna.

The antenna is fabricated using 59mil thick double and single sided FR4 boards joined together with double sided 45mil thick acrylic tape. The antenna is characterized in an anechoic chamber and experimental results are compared to theoretical predictions. The results show that the new design procedure can be successfully applied to aperture coupled antenna design.

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