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## Finite Ground ie3d |

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finite ground plane and ie3d , ie3d finite ground plane , finite substrate ie3d , finite substrate using ie3d

1000 Threads found on edaboard.com: **Finite Ground ie3d**

Hi, Kishorekumar:
Normally, **finite** **ground** plane will degrade circular polarization.
Best regards,

RF, Microwave, Antennas and Optics :: 01-08-2007 18:34 :: jian :: Replies: **1** :: Views: **647**

Define Port or Port for Edge group --> In**finite** **ground** Plane.
Vertical Localized Port or Probe Feed to Patch --> **finite** **ground** Plane.
I suggest you to read **ie3d** Manual where above things are well-explained with examples
regards,
balaguru.

RF, Microwave, Antennas and Optics :: 03-28-2008 03:19 :: balaguru thavamani :: Replies: **1** :: Views: **987**

i am currently doing my project work related to Defected **ground** Plane Structures in **ie3d**.I am facing an error while simulating the DGS antenna or any **finite** **ground** plane queries are :
1) what feeding mechanism is used for **finite** **ground** plane structures
2)how to we define the port for (...)

RF, Microwave, Antennas and Optics :: 06-26-2014 04:50 :: chandanbangera91 :: Replies: **0** :: Views: **160**

HI
Ansoft ensemble and ansoft designer are not suitable for simulation of structures with **finite** **ground** plan.**ie3d** is better.

Electromagnetic Design and Simulation :: 01-06-2005 02:20 :: kamilia :: Replies: **3** :: Views: **2462**

Hi, Jayanthi:
I checked both of your structures. There are problems on both of them.
1. For the in**finite** **ground** plane model, you define No.0 substrates as good conductor. It is correct. However, you also define the **finite** **ground** plane shape as some polygons on z = 0. On **ie3d**, this means you dig a hole (...)

Electromagnetic Design and Simulation :: 12-28-2006 15:23 :: jian :: Replies: **4** :: Views: **1297**

Hi everyone,
I want to model radiation pattern of a dipole antenna above a **finite** **ground** plane with Method of Moments (without Software like **ie3d** or FEKO), but i don't know how. my main problem is in finding Integral Equation of problem. can anyone help me???
Thanks,

RF, Microwave, Antennas and Optics :: 06-12-2009 10:54 :: ali987 :: Replies: **0** :: Views: **978**

hi,
please send me above specification .geo file.... m stuck with trial and error method. further i need to implement wilkinson pwer divider.
so please send me .geo file with **finite** **ground** plane.
m working on **ie3d**

RF, Microwave, Antennas and Optics :: 01-26-2014 00:34 :: Chirag Chheda :: Replies: **0** :: Views: **236**

Hi everyone,
I assume that in Momentum only in**finite** **ground** plane can be properly defined. However **ground** reference ports are available. Did someone already experiment with them? They would allow you to define **finite** **ground** plane.

Electromagnetic Design and Simulation :: 11-27-2003 02:49 :: Ghost Tweaker :: Replies: **1** :: Views: **1766**

Hi, i want to know, how can i calculate the **finite** **ground** plane for a microstrip patch antenna and microstrip patch array?
Thank, I am looking foward to hear from you at your earlies convenience.-

RF, Microwave, Antennas and Optics :: 10-19-2004 14:41 :: oggi :: Replies: **0** :: Views: **910**

hi,pls more details,if u want to simulate with **finite** **ground**(dimensions arbitrary) u can use HFSS,FIDELITY (FDTD),CST packages,for ur element and simulate ur s par.
regards

RF, Microwave, Antennas and Optics :: 10-20-2004 16:03 :: abdoeng :: Replies: **6** :: Views: **1635**

I tried a **finite**-**ground** singlewire layout simulation in Momentum for a 7-metal process. I chose AM as the signal layer and M1 as the **ground** layer. The **ground** layer has the same length and a three-time width as the signal layer. Two 50ohm ports are made by AM layer. Then I ran S-parameter simulation in Momentum. However, (...)

RF, Microwave, Antennas and Optics :: 02-26-2005 19:18 :: magicRF :: Replies: **1** :: Views: **736**

Hi, Kbmanick:
1. To convert your structure to **finite** **ground**, you just need to define the No.0 substrate to air and draw the shape of the **finite** **ground** plane there. I will e-mail you an example by assuming a **finite** **ground** plane size.
2. Your antenna is resonanting at about 5.5 GHz. You (...)

Electromagnetic Design and Simulation :: 12-28-2006 15:36 :: jian :: Replies: **7** :: Views: **767**

u hav to model a **finite** **ground** plane
in edaboard itself good papers on uwb antennas are posted ..or u should go through Mic and Opt. Tech Letters and IEEE journals

RF, Microwave, Antennas and Optics :: 04-01-2007 03:03 :: akedar :: Replies: **3** :: Views: **1140**

Hi, everyone. I have a question about the ADS Momentum **finite** **ground** plane simulation.
I know that in order to get a good results for the software based on MOM, a in**finite** **ground** plane is needed. However, I also want to try the **finite** **ground** plane simulation in ADS Momentum.
However, (...)

RF, Microwave, Antennas and Optics :: 06-25-2007 20:57 :: winglj :: Replies: **7** :: Views: **5146**

Hi friends,
I am trying a simple simulation, such as a monopole on a **finite** size PEC **ground** plane. How do I model it in HFSS? What I did is that I assigned the plate as PEC, but not in**finite** **ground** plane. Then I used either a wave port or lump port for excitation. I had air box all around the monopole and the plate. I mean (...)

Electromagnetic Design and Simulation :: 10-31-2007 16:57 :: rey843 :: Replies: **8** :: Views: **2504**

Hi
If you have a patch antenna with **finite** **ground** plane. How to setup the airbox correct?
I have used minimum \lambda/4 as a distance to my antenna structure.
But lets say you have an antenna with a very small **ground**-plane and you still need the \lambda/4 as minimum distance. Then there is a gap between the antenna and

Electromagnetic Design and Simulation :: 09-08-2008 09:38 :: tyassin :: Replies: **5** :: Views: **1488**

u can use HFSS to do works fine but u know with a **finite** **ground** plane your gain would be 3-dB less than what it is supposed to be and the sidelobe levels shoot up.the concept of **finite** **ground** plane is when u assign the dimensions of it less than 10*lambda.anything more than that is considered in**finite** (...)

Electromagnetic Design and Simulation :: 05-26-2009 01:25 :: rotmanlens :: Replies: **3** :: Views: **2252**

I am simulating a linear microstrip array for wi max applications at 2.4Ghz....while considering the effect of the **finite** **ground** plane..the resulting return loss is very low about -5db and the radiation pattern has a large back lobe....
is this results correct ...please help me i have only a limited time for my project completion...

RF, Microwave, Antennas and Optics :: 03-15-2010 13:42 :: SAILLESH.SABARISH :: Replies: **0** :: Views: **520**

I work in design UWB microstrip patch antenna with **finite** **ground** plane
and i want to know what the boundary condition can i assign to get the result
what boundary condition for the **finite** **ground** plane ???
i design using Ansoft HFSS 11
Thanks in advance
Eng.M.Hassanien

RF, Microwave, Antennas and Optics :: 05-26-2010 02:21 :: dragonhamada :: Replies: **3** :: Views: **951**

Hi, everyone
I just begin to learn ADS. i want to design a 50ohm coplanar waveguide with **finite** **ground**. I know the linecalc in ADS can be use to obtain the gap and wide value of in**finite** CPW. Is this tool still valid to for CPW with **finite** **ground**?
I have seen dr_em(

Electromagnetic Design and Simulation :: 08-10-2010 09:12 :: orangemay :: Replies: **0** :: Views: **1772**

Hello ,
I want to simulate a W band 50 ohms **finite** **ground** conductor backed CPW line. I am using HFSS . I am not getting proper result. My problem is on changing the waveport size , the impedance of the CPW also changes for the fixed dimensions , so how can I exactly get the CPW dimensions for 50 ohms . My subs is er=3.38 and thickness=0.203

Electromagnetic Design and Simulation :: 06-28-2012 12:10 :: smritigarg127 :: Replies: **0** :: Views: **405**

hii,
i am working in HFSS v.10 and i am designing a spiral microstrip antenna with **finite** **ground** plane. However, i am getting most of the radiation below **ground** plane. Please help me detecting the problem with my design. i knw i can use **finite** **ground** plane but its impractical. i have to fabricate this (...)

Electromagnetic Design and Simulation :: 02-12-2013 10:14 :: chitra takle :: Replies: **4** :: Views: **447**

Hi,
I am new to **ie3d** and am trying to learn it. I would like to use it to design PCB antennas (inverted-F, meander line, etc.).
Most examples I've read so far use an in**finite** **ground** plane. My question is: what is the difference between using an in**finite** and a **finite** **ground** plane? (...)

Electromagnetic Design and Simulation :: 01-11-2010 13:51 :: rvargo :: Replies: **0** :: Views: **1239**

Im trying to model a patch antenna on a **finite** **ground** and substrate.I followed the manual in creating the **finite** substrate.But after the meshing when i try and simulate, it gives me an error message.
"remove current graph from list
remove current graph from list of simulating **finite** dielectrics"
Could someone tell me (...)

Electromagnetic Design and Simulation :: 03-05-2008 13:56 :: d2_asimov :: Replies: **4** :: Views: **983**

Define a layer's sigma to a very large value for in**finite** **ground**. then Define a **finite** **ground** as some polygons.

Software Problems, Hints and Reviews :: 05-06-2008 06:39 :: nazanin :: Replies: **1** :: Views: **541**

Hi, 2cent:
It ist just 2 steps:
1. Define the dielectric type and remove the in**finite** subsrate in Basic Parameters.
2. Draw the shape of the **finite** dielectrics and define it as a **finite** dielectric call in Adv Edit->Define **finite** Dielectric Call.
Regards.

Electromagnetic Design and Simulation :: 08-29-2008 11:05 :: jian :: Replies: **3** :: Views: **1337**

hi friends i am designing monopole antenna for UWB application with the **finite**
**ground** plane ,but the **ground** plane is not completely below the hole patch its
limited on **finite** dimension 2D view of my problem is given below
please help me if any body having any idea about **finite** (...)

RF, Microwave, Antennas and Optics :: 09-05-2008 15:17 :: ritesh_badhai :: Replies: **0** :: Views: **579**

In **ie3d** help, you can find how to define **finite** **ground** plane.
In the basic parameter menu, use sigma=0 for Ztop=0; it means that there is no in**finite** **ground**. Then you can define all the layer you need (please see the manual of **ie3d**).

Electromagnetic Design and Simulation :: 02-09-2009 04:35 :: shameemkabir :: Replies: **3** :: Views: **1251**

you must be having different substrate layers...select the bottom layer after you finish your structure and connections.....draw a rectangle in the bottom layer with desired dimensions such that it contains the struct....then give the dimensions......
i tell you how i do to select the **ground** plane
step 1st i se

Electromagnetic Design and Simulation :: 12-05-2010 05:26 :: sameerccs11 :: Replies: **6** :: Views: **1173**

I have a simple 8 dipole design I want to simulate using Zelands **ie3d** but I cannot see how you specify the tracks on two sides of the FR4 substrate.
I can add substrates. OK
I can add tracks. OK
Basically its two "H" shapes like this:
H
H
Where the top of the "H" (squared off U shape) is on the top of the PCB and bottom of the "H" is on t

Electromagnetic Design and Simulation :: 08-10-2004 06:15 :: covenlink :: Replies: **1** :: Views: **1847**

how i can define GCPW with **finite** **ground** in **ie3d** ?

Electromagnetic Design and Simulation :: 05-31-2005 01:43 :: zeshan102 :: Replies: **11** :: Views: **3786**

Hi, Abhi: I believe you must have not defined differential ports between the center strip and the **finite** cpw **ground**s. The port you defined on the center strip is referencing the in**finite** **ground**. **ie3d** issues a warning message to you. If you define the ports correctly, it should cause such message. Attached (...)

Electromagnetic Design and Simulation :: 12-22-2005 15:36 :: jian :: Replies: **1** :: Views: **865**

hi,
i have a basic doubt in defining the port in case of **ground**ed CPW structure - in the **ie3d** manual it is mentioned that while defining port (advanced extension/extn. for MMIC) we should define port only to a part of the **finite** CPW **ground** for higher accuracy, but my question is that - wat should be the size of that (...)

Electromagnetic Design and Simulation :: 12-26-2005 11:39 :: abhi_kolkata :: Replies: **1** :: Views: **1032**

Hi Jian,
Thanks for your timely help. Can you please clear one more doubt? How to extract shunt inductance using **ie3d**? Should I use any extension line as one end of the inductor line is short circuited for feeding the inductor? If I want to use a **finite** **ground** plane then what should be the dimension of the **finite** (...)

Electromagnetic Design and Simulation :: 02-23-2006 04:09 :: MM_DEVILS :: Replies: **6** :: Views: **1364**

Hi, jayanthi:
I checked your structure and results. I can see there are many up and down in the s-parameters. You may consider it as instability. In fact, I believe it is not. It should be true resonances caused by the **finite** **ground** plane and the 2 monople like structures in the **finite** **ground** plane. Basically, they are (...)

Electromagnetic Design and Simulation :: 12-08-2006 12:38 :: jian :: Replies: **3** :: Views: **555**

Hi, Pennylsn:
It is simple. For example, you have draw the **finite** **ground** (or define an in**finite** **ground**) on z = 0. You also define the patch on z = 3 mm. You want to build a shorting plate from 3 to 0. What you can do is to select an edge of 2 vertices on the patch at z = 3. Select EDIT->ADD VIA ON EDGES command. Enter the (...)

RF, Microwave, Antennas and Optics :: 12-14-2006 23:10 :: jian :: Replies: **7** :: Views: **935**

Hi, Chest:
From the look, it seems that it is modeing a **finite** **ground** patch in the manual while your built is modeling a patch on in**finite** **ground**. In order to make it **finite** **ground**, you need to define the No.0 layer's conductivity to 0 or some very small value, and put some polygon(s) to (...)

RF, Microwave, Antennas and Optics :: 12-15-2006 11:19 :: jian :: Replies: **7** :: Views: **2056**

Hi, poyinting:
On **ie3d**, the scattering field is defined as the field scattered instead of reflected. When you define in**finite** substrate, there is scattered field and reflected field. Reflected field is a plane wave when the incident wave is planewave. Scattered field is a spherical wave.
In some sense, if you model a patch on in**finite** (...)

Electromagnetic Design and Simulation :: 12-18-2006 17:18 :: jian :: Replies: **1** :: Views: **995**

Hi, Jayanthi:
I checked your model. It is ok. The pattern is not complete omni-directional. However, given the structure, it is like that.
There is a dip at theta = 90 degrees. It is caused by the in**finite** extended substrate. If you use **finite** substrate, the dip will be gone while the overall pattern shape is still like that.
It is impos

Electromagnetic Design and Simulation :: 01-09-2007 16:37 :: jian :: Replies: **5** :: Views: **891**

Hi, Chest:
I don't see serious problem in your structure. I tried the **finite** **ground** plane model on it. It is slightly different from the in**finite** **ground** model. The difference is mainly due to the fact you chose very thin substrate for 10 GHz. In fact, there might be 2nd order mode in the transmission line due to the thick (...)

Electromagnetic Design and Simulation :: 01-13-2007 19:17 :: jian :: Replies: **7** :: Views: **757**

Hi, hsean:
I checked the structure. I see some incorrect parameters "t=1.6 and l=1.3". I assume they are "t=1.3 and l=1.6". Otherwise, I don't see other mis-match in the parameters between your built of geometry and the one discussed in the paper.
However, for your **finite** GND model, you define -1 port over a very wide edge. This normally shou

Electromagnetic Design and Simulation :: 07-11-2007 12:24 :: jian :: Replies: **8** :: Views: **961**

Hi, MRAJAHARSHA:
There are only two choices:
1. Make a hole on an in**finite** **ground** (define horizontal polygons on the in**finite** **ground** to represent the slots on the **ground**)
2. Make a hole on a **finite** **ground** (use the way described by baraguru).
The 2 choices use (...)

RF, Microwave, Antennas and Optics :: 09-10-2007 12:53 :: jian :: Replies: **9** :: Views: **1469**

well **ie3d** manual is as good as this one as far as I can think. It is not well written.
My experience is that **ie3d** is only good for planar structures with in**finite** **ground** plane. I have simulated some slot antennas using **ie3d**. They came very well and the speed was impressive. For **finite** (...)

RF, Microwave, Antennas and Optics :: 02-10-2008 07:01 :: dissa :: Replies: **9** :: Views: **3926**

Hi,
I am trying to set up a problem in **ie3d** where there is an edge-fed loaded patch antenna. The problem is this: after setting up advanced extension differential port on the microstrip I would like to insert a probe feed to patch, however the program gives me an error: "unable to build the probe-feeds with error code (ic=1)".
This problem o

RF, Microwave, Antennas and Optics :: 01-03-2008 03:51 :: junta99 :: Replies: **10** :: Views: **1919**

Hi all again
In this post I have simulated this paper with **finite** **ground**. But result?s isn?t exact too.
.
Could anybody check these files and tell me my mistake please?
I will wait for your reply.
Best Regards.

RF, Microwave, Antennas and Optics :: 04-01-2008 10:13 :: rf-en :: Replies: **3** :: Views: **621**

How can assign boundary to **finite** **ground** plane?
Thanks

Electromagnetic Design and Simulation :: 05-26-2010 03:03 :: dragonhamada :: Replies: **4** :: Views: **1401**

What do you mean half **ground** plane? On **ie3d**, you can define in**finite** **ground** on substrate or you can define **finite** **ground** plane using some polygons. If it is semi-in**finite** **ground**, you need to use **finite** **ground** to model it. (...)

Software Problems, Hints and Reviews :: 05-16-2008 15:32 :: nazanin :: Replies: **1** :: Views: **577**

Dear friend,
I have one project at **ie3d**, my result is similar to article, it is return loss of antenna, my result is 10 db more than article, what do i friend?

RF, Microwave, Antennas and Optics :: 06-05-2008 08:41 :: Leilon :: Replies: **1** :: Views: **565**

Hi, kato01:
CPW port is discussed much in **ie3d** user's manual.
However, for slotline, you need to be careful. A slot on an in**finite** **ground** plane does not have a single fundamental mode. You may not be able to model it using transmission line theory even though a slot line as port of a circuit without ports are possible. If you define a (...)

Electromagnetic Design and Simulation :: 06-10-2008 21:38 :: jian :: Replies: **2** :: Views: **1515**

You can define substrate, **finite** **ground** plane etc. in **ie3d**. In the help file of **ie3d** you can find example how to define all these.

RF, Microwave, Antennas and Optics :: 02-18-2009 03:50 :: shameemkabir :: Replies: **1** :: Views: **715**

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