Skip to main content

Questions tagged [patch-antenna]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
15 views

Obtaining SAR for my patch antenna in HFSS

I have designed an implantable patch antenna for biomedical applications and I have obtained SAR values which looks like this in the image below. This is Average SAR and I couldn't get local SAR for ...
calebsamuel D's user avatar
1 vote
0 answers
47 views

Max operating temperature for PCB/Chip antennas

I'm looking for an antenna (PCB or chip), which I'd like to install in an environment that can exceed 110°C. Here are my questions : Should I trust the temperature ranges given for antennas? The ...
Juno's user avatar
  • 93
0 votes
0 answers
77 views

Single band antenna to dual band antenna

I have designed a single band patch antenna with microstrip feed but my objective is to design a dual band antenna to resonate at frequencies 1.4 GHz and 2.45 GHz. The current design is resonating at ...
calebsamuel D's user avatar
1 vote
0 answers
59 views

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 ...
calebsamuel D's user avatar
0 votes
0 answers
27 views

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 ...
JayP's user avatar
  • 1
1 vote
0 answers
49 views

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, ...
Airlangga Fidiyanto's user avatar
0 votes
1 answer
237 views

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 ...
nirmal mathew's user avatar
0 votes
0 answers
46 views

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 ...
rocko445's user avatar
  • 375
0 votes
0 answers
68 views

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-...
Lucifer Holmes's user avatar
0 votes
3 answers
437 views

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 ...
YIL's user avatar
  • 3
0 votes
1 answer
335 views

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 ...
MS-Hossen's user avatar
2 votes
1 answer
84 views

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 ...
Mrunal Shinde's user avatar
0 votes
1 answer
381 views

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? ...
Prerna 's user avatar
3 votes
1 answer
609 views

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 ...
Mrunal Shinde's user avatar
0 votes
0 answers
54 views

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 ...
MS-Hossen's user avatar
0 votes
1 answer
93 views

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 ...
berker's user avatar
  • 117
0 votes
2 answers
160 views

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 ...
Paolo Squadrito's user avatar
0 votes
0 answers
68 views

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 ...
Abhishek K M's user avatar