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## Find Resonance Frequency |

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resonance frequency , hfss resonance frequency , resonance frequency hfss , resonance frequency antenna

32 Threads found on edaboard.com: **Find Resonance Frequency**

You'll **find** calculators for coil spring **resonance** **frequency** on the internet, e.g.
**find**ing the wire material's shear modulus is the major problem.

Power Electronics :: 05-31-2016 18:41 :: FvM :: Replies: **4** :: Views: **429**

Your tank circuit must operate at some nominal **frequency** either with no object in it and with a object in it. So **find** the first **frequency** is easy, so set your sweep **frequency** ,say 20% lower. Then put in the largest object with the most lossy material into the coil and see what **frequency** the circuit resonates (...)

Power Electronics :: 09-21-2015 16:56 :: chuckey :: Replies: **8** :: Views: **751**

Hi,
I am simulating to **find** the **resonance** **frequency** and measured quality factor of some CPW transmission line resonator with a short circuit as termination.
They are coupled to the feedline via a series coupling capacitor.
I set the length from the coupling cap to the short-to-GND, then I applied a sheet and set the boundary as lumped (...)

Electromagnetic Design and Simulation :: 09-04-2015 16:38 :: sandbo :: Replies: **0** :: Views: **647**

If you reverse engineer the drum HV bias generators used in large laser printers you will **find** they use a step up transformer in a resonant oscillator mode. Thus no EMI is generated with the sine wave output. No bridge multipliers are needed, just rectify with a string of 500V rated 1/4W resistors for DC voltage feedback. PWM control is used to ge

Analog Circuit Design :: 06-28-2015 17:52 :: SunnySkyguy :: Replies: **5** :: Views: **592**

hello,
i have a project about designing circler SRR split ring with **resonance** **frequency** of 10GHz,
however i could **find** any physical characteristics of the curcler ring.
if someone can guide me to some papres i will be tankful.
noris.

RF, Microwave, Antennas and Optics :: 01-03-2015 11:16 :: noris :: Replies: **0** :: Views: **622**

(3) Case style 0603,how we have to read exactly SRF and **frequency**.
1. Choose your C value where you want to **find** the SRF.
2. **find** that value on the x axis
3. From that point on the x axis, draw a vertical line.
4. **find** the intersection of your vertical line with the blue curve (blue for 0603 size, as show in the

RF, Microwave, Antennas and Optics :: 08-08-2014 11:44 :: volker@muehlhaus :: Replies: **6** :: Views: **775**

Hi,
I simulated a patch antenna with coaxial feed to resonate at 2.8 GHz with a return loss of -20 dB and no **resonance** elsewhere.
Please **find** attached my model.
I fabricated this antenna and tested it. The fabricated antenna has return loss of only -3.6 dB at 2.8 GHz whereas it is resonating at 5.8 GHz with a return loss of -20 dB.
Please

Elementary Electronic Questions :: 05-28-2014 20:44 :: anoop0988 :: Replies: **0** :: Views: **446**

On page 6 of AN57 by powerint.com, it states that the resonant **frequency** of the Power stage LC should be greater than 500Hz...
Why is this?...I could not **find** out from the forum.

Power Electronics :: 05-16-2014 19:32 :: treez :: Replies: **4** :: Views: **807**

How can we **find** the **frequency** **resonance** of the inductance and its quality factor by HFSS?

Electromagnetic Design and Simulation :: 04-23-2014 21:52 :: MrElec :: Replies: **19** :: Views: **2296**

Hi,
I need to **find** some way to generate 10V to 15V sine wave voltage from 3V battery with minimum current consumption (<100uA), the load is negligible - 1Meg @ 5pf. One very attractive solution is to use the **resonance** of quartz or ceramic crystals and to get high voltage straight from the crystal.
The problem is that I can't **find** any (...)

Analog Circuit Design :: 02-27-2014 11:36 :: luben111 :: Replies: **7** :: Views: **1112**

I want to use psp analysis to match the input resistance of power amplifier to 50 ohm, i measure Zin real and imaginary and then match them using smith chart software, but then when i measure s11 using psp, i **find** strange results (either shift in the **resonance** **frequency** or no matching at all) if i use s parameter analysis the results are (...)

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 12-24-2013 10:53 :: sinato :: Replies: **0** :: Views: **836**

Hello I have a sinusoidal signal generator connected in series with a toroidal choke and the choke is connected to the oscilloscope to the ground.
As I vary the **frequency** of the generator I notice dips and peaks of the sinusoidal waveform on the scope. I **find** the maximum peak which is at a specific **frequency**. Then I reduce the number of (...)

Elementary Electronic Questions :: 11-11-2013 17:10 :: neazoi :: Replies: **10** :: Views: **576**

Hi
you can use from energy curve to **find** resonant frequencies in a cavity.
So,you have to follow these steps:
1. recored E field components in one point at cavity,in time domain.
2. use from energy formula,to get energy in time domain.
3. use FFT to convert energy from time domain to **frequency** domain.
4. plot energy in **frequency** domain (...)

Electromagnetic Design and Simulation :: 10-23-2013 12:24 :: ghasem_008 :: Replies: **1** :: Views: **1022**

Derive its transfer function and then **find** the poles and zeros.
They will give you an idea about **resonance** or **frequency** response of the circuit.

RF, Microwave, Antennas and Optics :: 06-27-2013 14:20 :: BigBoss :: Replies: **2** :: Views: **453**

Hello,
I am doing a simple simulation of a box (A x B x D) and using eigenmode to **find** **resonance**. However HFSS is giving me the lowest **frequency** for TE101, but is seeming to ignore the TM110 mode (which should be at a much lower **frequency**). Any suggestions on how I can have HFSS properly detect the TM110 mode?
Note: A (...)

Electromagnetic Design and Simulation :: 05-24-2013 22:29 :: ThomasGM4 :: Replies: **0** :: Views: **945**

Hi, maybe I **find** a bug in Hfss.
A patch on the outside surface of a cylinder, at first, the **resonance** **frequency** is 2.45G, then rotate the patch about the z-axis 12 degree, and get a different **resonance** **frequency** :2.20G. And I **find** when the angle is 45,90, 135 and so on, the (...)

RF, Microwave, Antennas and Optics :: 05-23-2013 03:30 :: ywzhong :: Replies: **1** :: Views: **633**

Hi all, i am doing a project about EM simulation for dielectric fractal Menger Sponge Stage 2. I am using CST MWS as simulator. The objective is to send the incident plane wave torward the structure and **find** out the **resonance** **frequency** for which the EM fields are localised in the structure. I tried plane wave and wave ports method. But it is (...)

RF, Microwave, Antennas and Optics :: 06-20-2011 14:58 :: nawin :: Replies: **0** :: Views: **835**

hi
i need a simple analytics expression of height **frequency** passive circuit. to **find** capacitance and inductance for example base on metallics lines and relative permittivity of substrat

RF, Microwave, Antennas and Optics :: 05-19-2011 13:32 :: mitch81 :: Replies: **0** :: Views: **765**

I guess you need to **find** the **resonance** first. There must be problems with your simulation.

Electromagnetic Design and Simulation :: 04-22-2011 13:49 :: Phytech :: Replies: **4** :: Views: **1772**

It doesn't make sense to use FDTD to **find** a "boundary condition." The boundary condition is what you need to do at the edge of your grid to prevent reflections. It is part how you implement FDTD, not what FDTD is calculating.
In general, to **find** a resonant **frequency** in FDTD, you excite the problem with a pulse sourse (short Gaussian) (...)

Electromagnetic Design and Simulation :: 02-14-2011 04:46 :: rrumpf :: Replies: **3** :: Views: **1433**

Hello,
Here are the formulae for W & L of Microstrip fed patch antenna design...
W=(C *sqrt )/2*f0 where W is the Width of of the radiating edge C=3*10e8 f0 is **resonance** **frequency**
& L=C/(2*f0*sqrt(er)) & **find** out the effective L
you can see these eqations & more details in the following DESIGN OF MICROSTRIP PATCH ARRAY ANTENNA do

Electromagnetic Design and Simulation :: 10-18-2010 04:37 :: Manjunatha_hv :: Replies: **2** :: Views: **1492**

You could try the eigenmode solver. It is good at **find**ing **resonance**s.
later
:)

Electromagnetic Design and Simulation :: 08-27-2010 19:10 :: tallface65 :: Replies: **4** :: Views: **1473**

I have met a problem recently and hope experts can give me some hints.
You can **find** the **resonance** frequencies from the S parameter curves of a transmission line (eg. microstrip line as shown in the following figures). When both sides of the transmission line are attached with a PMC(perfect magnetic wall) wall, how will the **resonance** (...)

Electromagnetic Design and Simulation :: 06-12-2009 09:29 :: xiamiliu :: Replies: **1** :: Views: **2749**

I don?t think exist a formula to **find** the exact influence of metal thickness on the patch antenna resonant **frequency**, but definitely it will affect the antenna **resonance**, due to changing the fringe field currents. EM simulation will give the best answer.

RF, Microwave, Antennas and Optics :: 03-25-2009 18:00 :: vfone :: Replies: **3** :: Views: **1251**

Some times it increases the gain.
Check this antenna with and with out the partial GND plane and confirm.
you will **find** the **resonance** **frequency** shifting for these cases but check for gain only.

RF, Microwave, Antennas and Optics :: 02-27-2009 09:28 :: kspalla :: Replies: **1** :: Views: **1685**

Hi,
I am looking for the way or principle to **find** L and C values which give maximum **frequency** band width. For instance, L and C make **resonance** at one **frequency** dependent upon the value of L and C. But It's going to have different BW.
If I want to design CPW considering isolation with maximum **frequency** (...)

Electromagnetic Design and Simulation :: 03-12-2008 13:00 :: dkmin96 :: Replies: **0** :: Views: **923**

XL=2Π(capital pi)fL Where f is **frequency** in hertz and L is inductance in Henres. So plugging in we get 25.1 Ω reactance. So **find** the capacitor value that will give you 25.1 ohms at 2000 hertz. 3.2 ?F is what you need.
Google in **resonance** calculator and you will get calculators that will help you with these problems.

Elementary Electronic Questions :: 01-12-2008 16:58 :: avdrummerboy :: Replies: **5** :: Views: **2315**

Hi Guys,
I have a doubt on quater wave impedance tranformer. As i going thru a IEEE paper on inthis matter, i found out the the electrical length is defined in Θ, degree. assume given 90° for Θ=λ/4 length. How do we **find** the operting frequnecy of the circuit?
thanks for your support

RF, Microwave, Antennas and Optics :: 09-25-2007 03:05 :: danesh :: Replies: **5** :: Views: **1628**

For CST eigen mode solver, you cannot **find** the modes of open structures. Also, if you place it very far from the microstrip line, you will start to have some higher order WAVEGUIDE modes, that is the shield acting as a waveguide cavity. So, I think you should have some feeling where would the **resonance** **frequency** be and adjust the shield size (...)

Electromagnetic Design and Simulation :: 11-16-2006 13:16 :: adel_48 :: Replies: **2** :: Views: **1956**

i am design a LNA with ADS. While simulating, i **find** that the output 1dB compression point drops from 12dBm to about 8.5dBm after i substituting the ideal lumped inductor with the real spiral inductor provided by the design kits.
it frustrates me. my lna topology is below. anyone knows how to cancel the nonlinearity caused by the nonlinearity of

RF, Microwave, Antennas and Optics :: 05-05-2006 13:39 :: wizardyhnr :: Replies: **1** :: Views: **895**

Hello
I am using HFSS 10.0 to **find** out the resonant **frequency** of certain transmission line resonator in a multilayer substrate. kind of a stripline structure, i.e., the substrate's top-most and bottom-most surface are covered with good thin conductor as ground; the remaining 4 surfaces are just exposed to surrounding air.
I believe that the 'ei

Electromagnetic Design and Simulation :: 04-12-2006 03:45 :: Adun :: Replies: **1** :: Views: **3769**

Hey everyone, I have a question about the vector field display in HFSS.
Lets say I setup my antenna design in HFSS for a solution **frequency** of 10 GHz and after the solition , I **find** that the **resonance** is at 8 GHz instead of 10 GHz. So if I want to see the vector fields at the **resonance** **frequency** of 8 GHz, (...)

Electromagnetic Design and Simulation :: 09-22-2005 19:20 :: ananth :: Replies: **1** :: Views: **1209**

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