Questions tagged [patch-antenna]
The patch-antenna tag has no usage guidance.
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How to improve the electromagnetic field in this HFSS design for microstrip patch antenna?
[electromagnetic field for my patch antenna design]
The thing is I am trying to design a patch that resonates at four different frequencies with the dimensions of 13mm x 13mm x 0.25mm. I am actually ...
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how to start and end S-parameters at 0 dB [closed]
i have designed some antennas which are having good return loss and bandwidth....but my concern is that I want s-parameters should start and end at 0dB and to resonate at any frequency in the ...
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Smartphone Bluetooth Antenna Modification
Is it possible to modify smartphone Bluetooth antenna (2.4 GHz) by redesigning it? I am currently designing a Polyimide microstrip patch antenna with 50 ohms impedance. What steps should I make so ...
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How to create RF source in CST Studio
I have designed a microstrip patch antenna in CST studio and I want to test its efficiency for energy harvesting. Having followed some youtube videos, I understand creating a waveguide port across the ...
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Why isn't my Teseo-LIV3FL's CEP value within the datasheet specifications?
Context: CEP is defined as the radius of a circle, centered on the mean, whose perimeter is expected to include the landing points of 50% of the rounds (Wikipedia.)
According to the Teseo's datasheet, ...
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How to design 4x1 patch array antenna using ads
I have tried to do a power divider but could not find how to calculate width and length. How to pair the antenna and power divider?
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GPS antenna not working
We are developing a GPS+LTE project based on the LE910S1-EAG module. We use a GPS LNA NJG1159PHH and an ACAG0301-1575 GPS antenna.
In this module GNSS_LNA_EN is left open and GNSS_ANT_RF_OUT is ...
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identifying special type of patch antenna
i have an article shown in the link bellow.
In this article i have a patch antenna which looks like the photos bellow.
f=7GHz W=5mm L=15.5mm H2=1.5mm e_r=3.5 H=6.5mm
We have three weird things in the ...
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Proving orthogonality of two antennas intuition
I am reading this article: The Design of Shared Aperture Antennas Consisting
of Differently Sized Elements.
I have there two antennas which, I was told, have orthogonal polarization, but when I try to ...
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How should I go about miniaturization of patch antenna?
I am working on a microstrip patch antenna for 1 GHz resonant frequency. I want the antenna to be ideally less than 6 cm for both length and width. Normally, a 1 GHz microstrip antenna would have 14-...
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Phased Array Antenna simulation coding
I have already coded the phased array antenna radiation pattern for my university project with Matlab. I will probably do this again for my master's thesis (phased array patch antenna).
Is there any ...
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How to add prepreg material 7628 (fiberglass impregnated with resin) in CST microwave studio for multilayer antenna simulation?
I'm designing an antenna structure that will be embedded with a 4-layer radio circuit. The difficulty I'm facing to simulate the structure is not getting the prepreg 7628 material (fiberglass ...
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Why are there two different charges on a patch antenna? How are these charge distributions formed?
If we apply an AC signal to a capacitor, we can see only one type of charge on an individual plate. If we apply an AC signal to a patch antenna, there are two different charge distributions on the ...
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Why is the charge distribution of printed dipole antenna different from patch antennas?
Why in planar dipole antenna current is perpendicular to the feed while in patch antenna the current is parallel to the feed line?
Is the direction of current dependent on the input supply terminals? ...
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How does selecting a higher permittivity substrate in patch antenna reduce its size?
By selecting a higher permittivity substrate do we reduce the height of the antenna or we reduce the length of the patch antenna? We cannot reduce the length of the antenna as it is dependent on the ...
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What is the frequency measurement range of a NanoVNA?
I have tried to measure a fabricated patch antenna which has theoretically multiband ranging from 1 GHz to 8 GHz, but when I tried to measure it through NanoVNA it barely shows the result from 1 GHz ...
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Differences between these 2 patch antenna arrays?
BLE5.2 based AOA applications are very popular. There're some devkits for this purpose on the market.
One of them is https://www.insightsip.com/products/bluetooth-smart-modules/isp1907
The other one ...
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Symmetric PCB stack-up for phased-array antennas
We all know that a symmetric PCB stack-up is always recommended since it makes manufacturing easier and more reliable. However when designing PCB for antennas application this became quite a difficult ...
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Electric Field of Patch Antenna
I am working on developing Patch antenna for 5G Applications. As the first step, I am trying to understand the working and properties of Microstrip patch antenna.
All the resources I have read state ...
