Coaxial simulations using hfss and maxwell hugo day february 28, 2011 with thanks to e. Coax definition is to influence or gently urge by caressing or flattering. Ansft00092339 farfields will now be computed correctly when the radiation setup only includes a single angle or pattern slice. Ansoft designer sv also includes the most powerful tool available for matching and network extraction. These models are located under the download section and require registration. A coaxial cable used to bring electronic signals to a television or other electronic device terminates in a fitting called an fconnector, which is the fitting that actually connects to the television or wall jack. Maksim berezin quick example coax tee hfss high frequency structure simulator fullwave 3d field solver solves for the fields in an arbitrary volume coax center pin coax dielectric outer boundary coax shield starting hfss click the microsoft start button, select programs and.
Lumped port uses a uniform parallel field on patch as source to excite structure. Pasternacks coaxial cable impedance calculator allows you to enter the outer diameter dielectric width, inner conductor diameter width and either the dielectric constant or velocity of propagation vop values in order to calculate the impedance of the coax. The coaxial probe is connected to source of em waves. How to build a coaxial cable in ansys electronics desktop hfss. How to set lumped port and wave port in hfss duration. Select from over 1,000 connector options and over 100 coax types, assembled and tested by ipc certified technicians. We design a patch antenna with required dimensions and implement that model or simulated in hfss. In this video, im giving a little overview on how to use hfss to design a microstrip patch antenna. This example is for lmr600 which is very low loss coax. Port extension height port extension height only applicable to 4 arm spirals spiral antenna only supports 2 or 4 arms outer radius antenna characteristics directivity polarization bandwidth medium dualcircular wide ref. Im a hfss newbie and are having troubles with something i think should be quite simple. Layout driven assembly in ansys electronics desktop 6 define interface ports on the connector and package to place interface ports on the connector in order to run the lna, right click on the connector, click port interface ports add interface ports at unconnected pins. Measurement and simulation of coaxial to microstrip.
The course will teach students how to effectively use ansys hfss to setup, solve and postprocess the results from high frequency electromagnetic simulations. A broadband coaxwaveguide transition for the high power test of the pepii rf cavity hom waveguides has been studied. Im trying to connect a 50 ohm port to a piece of coax, which forms part of a coaxial colinear antenna. Ansoft hfss software is the industry standard for simulating 3d full wave electromagnetic fields. Supporting these formats allows hfss or thirdparty tools to generate model data that can be incorporated into an ansoft designer sv simulation. Bi, i have done extensive simulation on hfss, both ansoft and agilent, and the cpw problem has always frustrated me, but found that i could generally coax the.
How to terminate a coplanar waveguide with 50 ohm load. The design requirements are that it must have a vswr less than 2 over the frequency range 714mhz to 2500mhz and transmit 10kw average power from a 250mm 25. Imagine how much transmit or receive power you would lose if the coax was rg58 download coaxial length calculatorand you will be able to calculate and see your coax losses, you can use the power compensatorto calculate dbw. Build a 9db, 70cm collinear antenna the coax has an inner, dielectric, braid and sheath. Ansys hfss 15 is a reliable application for electronic devices with support for electromagnetic study and reliable simulation features.
Optimizing a coaxial connector to microstrip transition. The example will illustrate both the simplicity and power of. Should it be a driven modal or driven terminal in context of hfss. To find a material able to be deposited accurately with resitivity to yield 50 ohm for this geometrical demands seems tricky like in the upper right of. The dielectric properties of the sheath are possibly important in this application, so i gave. Av fermin vivaceta 2102 independencia santiago, chile tel. Amphenol rf is the worlds largest manufacturer of coaxial connectors for use in radio frequency, microwave, and data transmission system applications. The measurement can be made with a portable vectorscalar network analyzer or a power meter. Figure 6 reflection coefficient of the transition at coax port including a full 3d model of the matching circuit geometry blue curve. In wave port, tem mode of crosssection of the structure is calculated first, then the tem mode is used to excite. Hfss calculations shows 10 pieces are enough to get the flat te10 cutoff distribution within 599.
Open coxial cable antenna design in hfss researchgate. A powerful application for electrical systems and electromagnetic behavior analysis, ansys hfss 15. Introduction the name hfss stands for high frequency structure simulator. S 11 is the reflection looking into port 1, with all other ports terminated in matched loads. Hfss coaxial waveguide cutoff frequency part 01 diakoux gaming. Click waveport, name it as your preference, then click next, now define your integration line. Adapter used to interface coaxial cable with waveguide is referred as coaxial to waveguide adapter. Headquartered in danbury, connecticut, usa, amphenol rf has global sales, marketing and manufacturing locations. Chandrasekhar, please send me that powerpoint file. Hfss tutorial 1 microstrip patch antenna with coaxial. Mounet for useful discussions and suggestions hugo day coaxial simulations using hfss and maxwell.
To generate te10 mode, probe is inserted perpendicular or parallel to the maximum e field. Pdf high frequency structure simulator hfss tutorial. Cluster boxes, site struts, waveguide brackets, support tbrackets, banding for coax support by site pro 1. Sumathi department of electronics and communication engineering, nandha engineering college, erode, tamilnadu, india. Ansys hfss hfss contains multiple simulation engines in one package, each targeted toward a specific application or simulation output.
Analysis and design of rectangular microstrip patch antenna using hfss p. However at later stage, my aim is to simulate three parallel plates, where wave is applied to middle plate and the outside two plates are grounded. Understanding cable and antenna analysis anritsu america. The rectangular waveguide are fed by means of coaxial probe pierced into the wall of the waveguide. There are several ways these fconnectors can be attached to coaxial cable. Measurement and simulation of coaxial to microstrip transitions radiation properties and substrate in. Wave port represents the surface through which a signal enters or exits the geometry.
Cable creator signup to hear about our latest products, industry news, helpful tips and more. Parallel plate waveguide simulation in hfss boundaries. By placing a short at the end of the cable, the signal is reflected back and the energy lost in the cable can be computed. The spreadsheets below supplement our calculator page, and in general offer datacrunching that is too complicated to put onto an html page for you. Hfss coaxial waveguide cutoff frequency part 01 youtube. As revealed in figure 6, this first matching effort results in excellent performance.
How to examine tdr of coaxial cable with hfss transient simulation duration. The correct stub geometry has probably to be found by something like cst microwave, sonnet, hfss. Ansys hfss 3d models are now currently available for sma high frequency end launch conne ctors and additional models will be added to the website. Riteav 2 port hdmi and 1 port coax cable tv ftype wall. Hfss tutorial modeling rg58 coaxial cable duration. Cable loss can be measured using the return loss measurement available in the cable and antenna analyzer. Hfss assumes that each wave port you define is connected to a semiinfinitely long waveguide that has the same crosssection and material properties as the port. Hfss hybrid technologies the femie hybrid technology is built upon hfss fem, ie mom and the patented ansys domain decomposition method ddm to solve electrically large and complex systems. We assign the a second port to the open face of the waveguide. S 21 is the voltage transmission coefficient from port 1 to port 2. If there is a specific hfss 3d model you are interested in, please contact amphenol rf directly. Analysis and design of rectangular microstrip patch.
The ansys hfss course will teach the students how to design and analyze highfrequency electronic components such as antennas, rfmicrowave components, and biomedical devices. Download the three section symmetric coupler design file for microwave office. Amphenol rf coaxial connectors, adapters and cable. We consider the conductors and the waveguides conductive walls as pec. These formats offer multiport network data s, y, zparameters, etc. It is also insightful to view and animate the surface currents at 10 ghz see figure 7. Coax support, cluster boxes, site struts, waveguide. Citeseerx document details isaac councill, lee giles, pradeep teregowda. How to set lumped port and wave port in hfss youtube. High frequency structure simulator hfss tutorial otman mrabet due to the nature of this design we will use driven modal as the solution type. My cpw consists of 100 nm thick gold, width 15 micron, gap 10 micron, 12 mm length, 12 ghz.
Its goldstandard accuracy, advanced solver and compute technology have made it an essential tool for engineers designing highfrequency and highspeed electronics components. These captures show the near distribution of the electric field in waveguide to coax adapter. How to design coaxial feed for conformal antenna in hfss. The receiver enables fast 10100baset ethernet digital communication to be received over coax cable. Does anyone have an idea about the wave port or lumped port in hfss,which should be used especially for microstrip patch antenna in uwb range i. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. Thus in this tutorial, a dipole antenna will be constructed and analyzed using the hfss simulator. Riteav 2 port hdmi and 1 port coax cable tv ftype wall plate product information color. Pasternack cables, coaxial cable, cable connectors. For the coax simulation with wave port you need to define the integration line from the outer metal of the coax to the inner metal.