Phased Array design specifications?

I need to design a phased array with freq. 2000 MHz to 2300 MHz specification. Thinking of linear array. Directivity should be high like 20 dBi and circular polarization. Can you please advise me...

01 February 2020 4,185 4 View

Wideband (2 to 6GHz) metamaterial enabled antenna?

I am designing metamaterial enabled antenna for wideband freq. I have antenna with wideband freq. bandwidth. Have a metamaterial at the back of antenna, but not able to get wideband when I put the...

07 August 2019 5,828 10 View

Reference impedance for stripline?

I am having difficulties in designing stripline on cst. The reference impedance should be 50 ohms and it should be straight line at 50 ohms. Please guide what mistake I am making. I played with...

07 August 2019 2,551 7 View

Can I have some suggestions on transmission line metamaterial antenna?

any paper links

05 June 2019 6,584 5 View

Metamaterial transmission line is same as metamaterial?

Is metamaterial same as metamaterial transmission line? Why do we need transmission line on metamaterial? Is this an antenna once we put transmission or stripline on metamaterial. Any guidance is...

05 June 2019 7,064 5 View

Looking for flexible high k polymer material?

I am in need of high k polymer material but it has to be flexible as my application is wearable.

11 December 2018 1,328 5 View

What is the Gain of Archimedean Spiral antenna?

Gain of 2 arm archimedean spiral antenna

01 February 2018 4,171 2 View

Metamaterial Surface Bandwidth?

02 March 2017 5,462 3 View

Archimedean spiral antenna parameters help please?

How does it affect the impedance and radiation pattern of Archimedean Spiral antenna if the width of the turns are wider, if no. of turns gets increased or the spacing between the turns increased...

31 December 2016 1,576 6 View

What does tangential component of E (Electric) is zero mean?

I am working on Metamaterials and getting more information about it. Regarding that, I want to know what does it mean exactly that tangential component of E (Electric) is Zero. Please Help

31 December 2016 8,728 6 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View

2D or 3D phased array antennas??

Dear All, I will start my PhD maybe this year regarding phased array antennas. I'm interested in to find more detailed information about 3D phased array antennas and 2D phased array antennas. Then...

21 February 2021 368 3 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View