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50 Threads found on Antenna Basics
If you want to design and implement Yagi antenna you must have basics of Yagi antenna then comes the question how to implement it in HFSS.
I think nesan isn't referring to the copper cladding, but to the FR4 substrate properties. In this case I don't think FR4 is a good choice to be used in an antenna design, specially at high frequency. There are at least two resons: 1. The dielectric constant can vary from batch to batch, so the repeatability could by poor. In general the standard
antenna Impedance is same as any other impedance means it relates the current and voltage of antenna. Have a look at the above link and then feel free to ask what is further question ?
I like your approach of asking about good references. There are a number of good references on the subject. Kraus, Silver, Jasik (now Volakis) and the like. Many people like Balanis as a starting point. They all have discussions of the various antenna parameters. Surprisingly, Introduction to Airborne Radar, Stimson is another good reference
ADVANCED RADIO FREQUENCY IDENTIFICATION DESIGN AND APPLICATIONS by Preradović is a good book. If you need the basics, I'd recommend antenna THEORY, Balanis.
Halo I have started my research in the feild of microwaves peculiarly in the feild of composite right left handed metamaterials. I am a new user to HFSS software. Can any one help with the basics or recommend me the material to get started.
hi, i never heard about antenna power available before! are you referring to antenna efficiency and gain? if yes, refer to the link below.
total efficiency = radiation efficiency X impedance mismatch loss of the antenna refer to article below - - - Updated - - - you have simulated radiation efficiency whereas the paper has total efficiency. CST will give you both total and radiation efficiency.
As you know nothing about antenna design, find and study a good textbook, like Kraus, J.D. antennas, and Kraus, Radio Astronomy. yes an awesome place to start to learn the basics and more you also need to decide up front what frequencies you want to receive. You are only going to use a dish and feedhorn if you are going to b
good explanation is here: I looking for good LTE 4G external MIMO antenna with high gain (above 10dBi)...?! If possible in europe!
If you want to learn to use HFSS, start from the basics and do not jump steps. If you are in a rush, search for a small program called 'HFSS antenna Design Kit'. It should help you generate HFSS models within seconds. (I checked and it has PIFA models as well).
How to calculate the short plate width and height ? Can anyone pls post the required formula and step by step design procedure for PIFA.
Hello I have no basics of antenna but i chose the course of antenna .Now I am working on a Project. I have to design an antenna" Multiband PIFA antenna with ground plane capacitive resonator". I have no idea how to start. Because i am so poor at the basics. I also want to know How to use (...)
hi, my project is ENHANCING THE GAIN OF HELICAL antenna BY SHAPING VARIOUS GROUND CONDUCTORS. depending on cstmws we should have to do this project, so please help me by sending necessary materials regarding my project such as basics of cstmws, how to feed&simulate an antenna using cst, how the radiationpattern and gain can be (...)
When the dimensions of the antenna are constant then the gain is reduced and the impedance changes and thus the resonance frequency. Other properties as the bandwidth or the radiation pattern should also change. Generally you would use a low loss substrate because with a lossy substrate the gain is reduced and perhaps other antennas can than provi
theta will be 2*pi indicating 360 degree rotation on 1 plane. This is required not only to find the gain / directivity on the forward direction of the antenna but also to find the FBR in case of a patch antenna. phi will be pi (180 degrees) indicating the forward direction only as the FBR is already computed in theta which will be the same. Theta
i want to design 2*2 microstrip patch antenna array with micrrostrip line feeding network but on an important factor is to find input impedance of each patch, so how can i find input impedance?
We have learned that when current flows through a wire a magnetic field is produced around it. Similarly a magnetic field cutting a conductor can induce voltage. The same principle applies to antenna where electromagnetic fields interact with the antenna so that voltage induces into antenna. The question arise here, for electromagnetic (...)
Hello, You can have PSK and ASK at the RF modulation level (backscatter). As the tag changes the load seen by the tag antenna, this may result in both change of phase and amplitude of the backscatter coefficient. Therefore readers should be able to demodulate both PSK and ASK backscatter. As you may know the standard allows subcarrier modulatio
hi all can you tell me any tutorial based on understanding use of smith chart in microstrip antenna design I am not able to understand the smith charts given in various technical papers based on microstrip antenna what is plotted on smith chart what must be optimised value in microstrip antennas regards kartik

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