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## Inductance Hfss |

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hfss inductance , hfss inductance port , hfss loop inductance , self inductance

55 Threads found on edaboard.com: **Inductance Hfss**

Hello guys,
I am new in **hfss** right now. I designed standard primary/secondary spiral coil design for mutual **inductance** measurements using Lumped ports...
I successfully able to find L, M, K etc. values.....
BUT now my requirement is to get primary and secondary current plot over frequency range....
I do not know how to get Current values in

Electromagnetic Design and Simulation :: 09-23-2016 05:55 :: nabap :: Replies: **1** :: Views: **445**

Hi all
Thanks for your help.
I'm simulating a curve antenna under 13.56MHz . Thickness is 5um. Width is 76um.
131860
practically, I measured the **inductance** is 5.5uH.
But the simulation result is 300uH with single lumped port.
131861131862
I tried double lumped ports.

Electromagnetic Design and Simulation :: 08-30-2016 17:05 :: feifei1201 :: Replies: **0** :: Views: **258**

1 uH error is not normal for 3 uH **inductance**.1 uH error is not normal for 3 uH **inductance**.
Agreed.
I cant solve it.
We neither due to lack of any substantial design information.
As previously mentioned, you can expect an accurate solution by an AC magnetic solver. I'm not working with **hfss**, but I see a risk of

Electromagnetic Design and Simulation :: 04-12-2016 10:17 :: FvM :: Replies: **23** :: Views: **1730**

1. what kind of excitation is preferable? I have tried the tutorial of **hfss** but it didnt give me the right **inductance**.
Wave port, but lumped port may also do the trick if needed.
2. I can plot E field along axis but not about H field.
Why not? Are you referring to far-field q

Electromagnetic Design and Simulation :: 01-04-2016 10:15 :: PlanarMetamaterials :: Replies: **15** :: Views: **1287**

For shorting posts, is it necessary to assign any lumped **inductance** values?
No, unless you want to add on to the natural **inductance** of the via.

Electromagnetic Design and Simulation :: 11-30-2015 11:16 :: PlanarMetamaterials :: Replies: **2** :: Views: **317**

I'm new to **hfss** and microwave engineering. I tried to simulate a spiral inductor of 10 turns for 100nH. I used the modified wheeler equation to design the inductor. I want to find the resonance of this structure. and the **inductance** value. I have posted the design here.Also pls verify the simulation i done is correct.I tried to find the (...)

RF, Microwave, Antennas and Optics :: 05-19-2015 12:32 :: ashbyphilipjohn13 :: Replies: **1** :: Views: **635**

Why it should be not possible. It depends on your structure size and if you have to add some pad for your cap. you should take its properties (**inductance** & capacitance) into account depending on your operation frequency.

Elementary Electronic Questions :: 07-16-2014 09:30 :: johnjoe :: Replies: **2** :: Views: **693**

Hello everyone, I am a freshman to **hfss** and looking for some help on the simulation on a simple spiral inductor. I want to see how the inductor behaves around 100 MHz.
In fact, my inductor is very similar to the one shown in the tutorial example, which you can find here:

Electromagnetic Design and Simulation :: 05-19-2014 00:20 :: Fengxuan :: Replies: **2** :: Views: **937**

Hello,
I'm working on antennas and I use **hfss** for the simulation. Now, I start to use DESIGNER for the co_simulation. I import the model **hfss** to DESIGNER, I connect components (capa, **inductance**..) and I would like to calculate EFFiciency and the gain of the new system. Can you help me please?
thx :)

Electromagnetic Design and Simulation :: 05-05-2014 11:14 :: asma_1 :: Replies: **2** :: Views: **572**

Hello,
I have created a core coil and I need to simulate it to find the **inductance** using **hfss**. I have simulated it and got some parameters (S, Y and Z) can any one help me how can I calculate **inductance** of the coil using the parameters. Thank you in advance.

Electromagnetic Design and Simulation :: 03-06-2014 11:55 :: shera :: Replies: **19** :: Views: **1772**

I want to calculate **inductance** of helical coils in **hfss**.
I have two kinds of helical coils: Open end and short end as showed in the picture.
In helical coils, we need to take into account stray capacitance. So Z= j(wL-1/(wC)).
These coils are self-resonance, so having self-**inductance** and self-capacitance.
So, we can not rely on (...)

Electromagnetic Design and Simulation :: 04-23-2014 02:52 :: nvt088 :: Replies: **0** :: Views: **588**

Hi guys,
I ran a simulation in **hfss** but after simulation, the **inductance** that I got was much higher than the supposed ~27pH from the schematic simulation. I've attached the **hfss** file and if anyone spots any mistake, please do let me know! Thanks!
Substrate was advised to draw at 737um, air box 2211um, interlayer dielectic layers are (...)

Electromagnetic Design and Simulation :: 02-20-2014 04:08 :: natnoraa :: Replies: **0** :: Views: **590**

hi,
I have designed a single turn coil radius=10cm and thickness 5mm, I need to find the resonance frequency of the coil using **hfss**
the theoretical calculated **inductance** is .464 uH and for the coil to resonate at 13.56 MHz approximately i need to add a lumped capacitance of value 330pF.
I tried to assign radiation boundaries at more than l

RF, Microwave, Antennas and Optics :: 12-04-2013 02:58 :: vijith133 :: Replies: **12** :: Views: **1804**

Hi, My name is Oscar and I'm working on a Capacitor - Inductor Circuit on **hfss**.
Fisrtly, the attached file "LCcircuit.adsn" (made on ANsoft Designer 8.0.0) shows the LC Circuit.
Capacitance = 10.8434 pF with Q-factor = 30
**inductance** = 1.3435 nH with Q-factor = 300
If you run the LinearFrequency sweep on Designer, you will si that de

Electromagnetic Design and Simulation :: 06-04-2013 22:25 :: jarodcs :: Replies: **0** :: Views: **786**

Hi, I am a newbie in RFIC design.
I want to design a spiral inductor on chip. Follow some instruction on internet:
First, I draw it in **hfss**, simulate and extract the S-parameter to s2p file. After that, I use ADS to calculate the **inductance**:
81351
I don't know why it's wrong. The **inductance** look like crazy
[ATTACH=CONFI

RF, Microwave, Antennas and Optics :: 10-11-2012 11:25 :: hien.rfic :: Replies: **4** :: Views: **1131**

Hi all,
I want to simulate the ground pad **inductance**,four groud vias between top layer to bottom layer .How to set the port?
Thank you in advanced,

PCB Routing Schematic Layout software and Simulation :: 08-22-2012 19:03 :: John_li :: Replies: **0** :: Views: **687**

Hello Everyone,
I am simulating a small inductor which has **inductance** of around 50 pH. The Ansoft **hfss** is adopted in my simulation.
The outside dimension is only 30 um roughly. A guard ring (PEC) is added to around the structure to let port 1 and port 2 have same reference.
The simulated **inductance** is around 100 pH. Actually, the guard (...)

Electromagnetic Design and Simulation :: 08-06-2012 22:38 :: jslee :: Replies: **0** :: Views: **714**

I have designed a coil, i need to calculate the **inductance** value using ansoft. I have done the hand calculation, but i need to verify it with ansoft...how do I do this??? is there a way???
thanks

RF, Microwave, Antennas and Optics :: 12-01-2011 00:06 :: bharadwaj.cv :: Replies: **2** :: Views: **3688**

hi
for solve this u should add **inductance** and resistance to antenna

Electromagnetic Design and Simulation :: 10-20-2011 07:17 :: ferdows :: Replies: **3** :: Views: **1399**

Hi
I have simulated cpw type inductor in **hfss**. The **inductance** value at lower frequency such .1GHz to .4GHz is around 80nH to 40nH but the value from 0.5GHz is around 6nH upto resonance.
As per calculation i have designed the rectangular inductor for 7nH. But the results at lower f

Electromagnetic Design and Simulation :: 06-29-2011 01:22 :: rocking_vlsi :: Replies: **0** :: Views: **1114**

since you have s-parameters you should be able to get the capacitance. There's a relatively simple transformation to go from s-param to Y-param
and from that capacitance (or **inductance**). There should be a past post in this forum that describes this. Looking at your graphs I'd expect there
to be a complicated frequency dependence. I usually write

Electromagnetic Design and Simulation :: 05-09-2011 14:41 :: rntsay :: Replies: **10** :: Views: **1644**

Superconductor also has loss at microwave frequency, which is represented by surface resistance. From this point of view, it is the same as ideal conductor.
Don't forget the surface **inductance** of a superconductor. This has a different frequency dependence from normal conductors (skin depth δ vs. London

Electromagnetic Design and Simulation :: 04-04-2011 12:25 :: volker_muehlhaus :: Replies: **19** :: Views: **2498**

hi all
i need to find the quality factor and the equivalent R,L,C of a simple waveguide cavity in **hfss** v11. please tell me how can i do this.

RF, Microwave, Antennas and Optics :: 01-31-2011 06:48 :: fuuton :: Replies: **0** :: Views: **925**

I am using **hfss**. Do you know how to setup the port?
I have the **hfss**12 project file attached, the ground **inductance** is around 0.05nH. But I am not sure if the setup is right. Can you take a look and tell me what you think?
Thanks

Electromagnetic Design and Simulation :: 12-14-2010 21:19 :: cmosbjt :: Replies: **4** :: Views: **1876**

Electromagnetic Design and Simulation :: 11-12-2010 02:44 :: volker_muehlhaus :: Replies: **11** :: Views: **1210**

I am a new user in **hfss** v.12. I would like to simulate inductive coupling between two **inductance**. The problem when I increased the number of turn the program gives errors.
Adaptive solution setup, process hf3d error: Matrix solver exception: out of memory.. (10:22:56 mai 17, 2010)
Unable to create child proc

Electromagnetic Design and Simulation :: 10-08-2010 11:52 :: project.email :: Replies: **4** :: Views: **2096**

Hi, I am doing my first **hfss** simulation and seem to be stuck on a few (sadly simple) things.
- Is there a way of directly inputting a surface **inductance**? I found the 'boundary reactance' option, but I deal with superconducting resonator circuits with extremely high quality factors, which are very sensitive to such parameters. I dont mind approxi

Electromagnetic Design and Simulation :: 08-24-2010 11:43 :: blarg :: Replies: **1** :: Views: **1091**

I would recommend you use the pin width. That way your model will contain the correct current profile as it approaches the device pin. Otherwise, you will lose the proper modeling of the extra **inductance** as the current flows from the edges of the microstrip, around the facing edges of the microstrip line (at the substrate gap) and mates with the

Electromagnetic Design and Simulation :: 08-17-2010 11:21 :: maxwellian :: Replies: **4** :: Views: **2010**

1. You need the airbox, otherwise the pattern of fields around the inductor will be incorrect, and so will the results.
2/3. I don't like your whole probe/coax method. The probe and coax have **inductance** (and capacitance) of their own which gets mixed into the **hfss** results (S+Z parameters). So of course the results are wrong. BTW, there is no nee

RF, Microwave, Antennas and Optics :: 01-25-2010 06:43 :: shlomo22 :: Replies: **1** :: Views: **3382**

Hi,
Can anyone please help me for finding out the **inductance** between two parallel cylindrical Through Silicon Vias used for 3-D Integration using **hfss**?
The condition is that the flow of current through the TSV is in opposit direction and the dielectric separating them is Silicon substrate.

Electromagnetic Design and Simulation :: 10-28-2009 00:28 :: cshah7 :: Replies: **0** :: Views: **1479**

i have 2 conductor evryone is surrounded by an insulator i want to find the mutual **inductance** between them and the reistance and self **inductance** how to put the port??
waveport or lumped poer?

Electromagnetic Design and Simulation :: 10-19-2009 05:04 :: THUNDERRr :: Replies: **0** :: Views: **1179**

Hi,
Is there a way to obtain partial self **inductance**s from S-parameters?.... i am modelling a single Bondwire in **hfss**, however the results obtained are for the loop **inductance**, is there anyway i can calculate the partial self **inductance** of the bondwire? Is there a method of breaking the loop **inductance** (...)

Electromagnetic Design and Simulation :: 06-19-2009 10:11 :: GazAli :: Replies: **0** :: Views: **1697**

Hi, i used a lumped port in cosimulation with designer, putting a lumped element like a capacitor or inductor. If you substitute the lumped port with a lumped element (in boundary condition) in **hfss** the two simulations will be the same. The different is the speed: when you simulate in Designer and you change the value of the **inductance** or of the ca

Electromagnetic Design and Simulation :: 03-10-2009 12:13 :: trizico :: Replies: **2** :: Views: **5316**

build a box of vacuum across the 2 lines, define it as a **inductance**. The integration line should contact the 2 MS lines.
Added after 1 minutes:
The box could be just above the MS lines, and have contact with the MS lines.

Electromagnetic Design and Simulation :: 08-27-2008 07:18 :: james cook :: Replies: **7** :: Views: **2303**

Check the definitions of the "**inductance**" you ploted. I think you are comparing apple to orange (the **hfss** "**inductance**" is not the Sonnet or Momentum **inductance**).

Electromagnetic Design and Simulation :: 07-17-2008 15:10 :: loucy :: Replies: **11** :: Views: **6468**

I want to use **hfss** to simulate a RF-IC spiral transformer.
I have succeeded in simulating a single coil spiral inductor, and get the right **inductance** using the following formula: L=-1/2/pi/Freq/im(Y11)
Based on this, I want to use the following formula for mutual **inductance**: M=-1/2/pi/Freq/im(Y12)
But the results seem not quite (...)

Electromagnetic Design and Simulation :: 06-10-2008 16:38 :: shlomo22 :: Replies: **6** :: Views: **3433**

I simulate spiral inductor by **hfss**.
**inductance** is normal , indudctance equation=im(Zin)/(2*pi*freq)
but Q-value is negative , Q equation= Q=im(Zin)/re(Zin)

Electromagnetic Design and Simulation :: 05-30-2008 22:44 :: myem :: Replies: **3** :: Views: **1688**

Hello Everyone,
I am trying to model a 6 turn spiral inductor (rectangular) in an air box. I was wondering if anyone could have a look at it and see why I am getting no value for the structures **inductance** and very little resistance.
Predicted Values from using other s/w / experimental:
**inductance** at 1 MHz should be around 730 nH
Resist

Electromagnetic Design and Simulation :: 05-06-2008 03:57 :: Catalyst :: Replies: **1** :: Views: **1541**

Hi,
I have layed out an loop antenna and ran a simulation sweep. I want to know how to extract the **inductance** of the loop antenna.
I set the frequency to be solved to 434MHz(my desired frequency).
I am getting a inclined straight line for the S parameter. I know that it should dip at 434MHz for it to work properly.
What exitation shou

Electromagnetic Design and Simulation :: 04-12-2008 20:22 :: steadymind :: Replies: **0** :: Views: **950**

Hi,
I have an inductor and to compute the value of the **inductance** I use the formula L=-1/(im(Y11)*2*pi*Freq), to compute the value of the resistance is the formula R=1/(re(Y11)*2*pi*Freq) correct?
Thank you
Enea

Electromagnetic Design and Simulation :: 04-08-2008 06:50 :: enea :: Replies: **0** :: Views: **699**

Hi,
I have come up with a design for a 434 MHz loop antenna (23.5mm * 21.5mm) . It is about 1.5mm wide and about 1 mm thick.
I want to know how to lay this out in **hfss** , after laying it out will i be able to extract the parasitic resistance, **inductance** of the loop and also radiation resistance.
Also i want a very narrow bandwidth of a

Electromagnetic Design and Simulation :: 04-03-2008 16:15 :: steadymind :: Replies: **0** :: Views: **767**

Hi,
I have come up with a design for a 434 MHz loop antenna (23.5mm * 21.5mm) .
I want to know if i lay this out in **hfss** , will i be able to extract the parasitic resistance, **inductance** of the loop and also radiation resistance.
Also i want a very narrow bandwidth of about 4-6MHz. can u suggest me a tuning circuit for this.
Thanks

RF, Microwave, Antennas and Optics :: 04-03-2008 15:56 :: steadymind :: Replies: **0** :: Views: **774**

Dear all,
How can I de-embed the self-**inductance** of lumped port in **hfss**?
Thanks.

Electromagnetic Design and Simulation :: 02-27-2008 07:31 :: wlcsp :: Replies: **3** :: Views: **3436**

Maybe the **inductance** of your feed trace is messing up the result. It sounds like you have a good approach. Maybe try broadside coupled lines (one on bottom of substrate) instead of edge coupled. It may give a more balanced feed and the poles will be concentric around 1 axis. When you import into ADS you will need a balun or a some way of measu

Electromagnetic Design and Simulation :: 12-18-2006 08:52 :: madengr :: Replies: **8** :: Views: **4219**

hi I meet with a problem during on-wafer spiral inductor simulation:
the **inductance** and peak-Q-frequency agrees well with the measured results, while the Q-value is almost independent of number of turns, which is a contrast to the sharp decreasing curve by measurement.
could someone clue me on this? thx

RF, Microwave, Antennas and Optics :: 10-14-2006 13:39 :: ustc_tweeg :: Replies: **0** :: Views: **724**

When I simulate spiral inductor by **hfss** ,
I have some questions listed as below.
1.how can I get its **inductance** and Q value in **hfss** environment ?
2.which solution type should I select
Driven Modal,Driven Terminal or Eigenmode ?
3.Because I am trying the 'Air structure' effect, so I want to combine two different air structure heights (...)

Electromagnetic Design and Simulation :: 09-10-2006 10:20 :: myem :: Replies: **3** :: Views: **2578**

Hi,
did you try to increase the simulation accuracy? this might help..
also when you increas the groudring which is in series with your inductor, apparently it will increase the **inductance**.. try to use large metal not just a thin trace as the ground ring.

Electromagnetic Design and Simulation :: 03-21-2006 13:35 :: pengboy :: Replies: **9** :: Views: **2710**

Dear alll
I'm just a newbie in **hfss** designing.
I want to fnd out the characteristic of passive element using **hfss**
(for example Y11 phase, Y11 magnitude, capacitance, **inductance**)
I made a capacitor using LTCC process and then I simulate that using **hfss**.
But the measured data differ from the simulation result. I (...)

Electromagnetic Design and Simulation :: 01-19-2006 05:49 :: wlcsp :: Replies: **1** :: Views: **936**

Hello,
I am interested in calculating the Capacitance (& perhaps **inductance**) values from a TDR measurement along a 2 inch stripline when rise time of driver is about 70ps. I would also like to confirm and verify these values (approximately) with an **hfss** stripline model simulated from DC-8GHz. If anyone run into this kind of comparison in the pas

Electromagnetic Design and Simulation :: 01-10-2006 11:48 :: The Bad Wolf :: Replies: **0** :: Views: **933**

Thanks dopradar,
what are the formulas to calculate **inductance** from S parameter
can we follow any standard method to design it.
Line calculators are only for straight microstrip lines, how can one calculate the **inductance** of any arbitrary structure or that particular RFC inductor (you can see these in many circuits)
In

RF, Microwave, Antennas and Optics :: 11-29-2005 20:58 :: dopradar :: Replies: **3** :: Views: **2912**

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