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## Plot Gain |

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cst gain plot , hfss gain plot , plot gain hspice , gain and directivity and plot

362 Threads found on edaboard.com: **Plot Gain**

when i **plot** rcs vs frequency **plot** of uwb antenna in hfss all values appear on a single frequency.what is the solution to get correct **plot**.when i **plot** **gain** vs frequency i got negative values.i want to get positive **gain**.please help me.

Electromagnetic Design and Simulation :: 04-03-2017 18:08 :: amruthapb26 :: Replies: **1** :: Views: **584**

Is there any other methods that can be used to **plot** the frequency response of the nonlinear closed loop system? Because from what I know, the frequency response/bode **plot** in matlab can be used only if the system is linear.
Thanks in advanced.
attached is the nonlinear closed loop system.
137423

Analog Circuit Design :: 03-29-2017 07:43 :: kramper :: Replies: **4** :: Views: **292**

The amplifier's phase and **gain** **plot**:
136626
When **gain**=0dB, the phase marge=72, which is stable for the unit **gain** bandwidth 22.7MHz.
However, the phase changes a lot within the unit **gain** bandwidth, like a sine waveform. In this case, is it acceptable for the phase not monotonically decreasing? Thanks.

Analog Circuit Design :: 03-03-2017 04:12 :: shanmei :: Replies: **2** :: Views: **362**

Hello friends,
I have designed an UWB antenna based on a paper in HFSS. base paper and hfss file are available in the below link. i need exact replica of the VSWR **plot** as well as **gain** vs frequency **plot**. i have **plot**ted them but i didnot get the exact replica of both results....please give your (...)

Electromagnetic Design and Simulation :: 03-02-2017 04:56 :: sandeepkiranv :: Replies: **0** :: Views: **356**

Hi all..
after simulating my antenna in IE3D, i fabricate it and measured using VNA, In my results they are given me **gain** vs frequency value in excel sheet, i just want to know how to **plot** Axial ration bandiwdth **plot** using that reading..
plz reply

Elementary Electronic Questions :: 10-20-2016 19:05 :: biradarkishor :: Replies: **1** :: Views: **510**

Hi
I would like to have the antenna **gain**s in dBi in hfss. When I **plot** the antenna pattern with 3D polar **plot** in far fields, I get the values in dB. I would like to convert those values to have them in dBi but I don't see any option for that. How could I do that?
Thank you

Electromagnetic Design and Simulation :: 01-06-2017 20:14 :: Alex329 :: Replies: **0** :: Views: **661**

Folks,
I'd like to be able to pull out the peak **gain** along a specific phi cut. That is, along a \phi_0, I'd like the \theta corresponding to the maximum **gain**. Any ideas on how to do that aside from **plot**ting a rectangular **plot** of the E_{total} along \phi_0, loading that into MATLAB, and doing this?
T

Electromagnetic Design and Simulation :: 01-06-2017 11:40 :: jwh :: Replies: **0** :: Views: **466**

As shown in the bellowing figure, I **plot** the intrinsic **gain** of three nmos transistor with 180nm process.
The Vds of the three transistors are set to 0.75V, and then I sweep the Vgs voltage of all of them from 0 to 1.5V. (The Y-aix is the intrinsic **gain**, and the X-aix is the Vgs.) Their size are 5/0.5, 5/0.5, and 50/10, with the um unit. (...)

Analog Circuit Design :: 12-31-2016 21:49 :: shanmei :: Replies: **5** :: Views: **763**

Hi,
In the "compute antenna parameter" module, the **gain** is in linear value. so you have to take 10 log(**gain**).
In a 3D polar **plot**, it's you that define the representation of the **gain**, dB value, linear value ... If you have choose dB and if the result is 1.5e+001 for the red area, the **gain** is 15 dBi. The red (...)

Electromagnetic Design and Simulation :: 12-16-2016 19:50 :: eraste :: Replies: **1** :: Views: **506**

Hi,
I would like to know on HFSS when we click on compute antenna/max parameters to find the maximum **gain** of a design, we can see a peak **gain** value which is not in dB. I would like to know if we have to do 10 log(Peak **gain**) to get the maximum **gain** value in dB?
Also, I would like to know for the 3D polar (...)

Electromagnetic Design and Simulation :: 12-07-2016 02:14 :: Alex329 :: Replies: **1** :: Views: **462**

Hello,
I am running cadence virtuoso 6.1.5 and trying to sort out the monte carlo analysis for process variation and mismatch.
I want to **plot** the **gain** vs frequency **plot** of a single-ended amplifier for 10 runs i.e. I want to see the 10 **gain**-curves in a graph window.
The only option in EVAL TYPE in OUTPUT SETUP of the (...)

Software Problems, Hints and Reviews :: 09-01-2016 11:58 :: Debdut :: Replies: **0** :: Views: **520**

Hi
Can anybody help me to make **plot** of phase of Antennas' Radiation Pattern in HFSS?
in CST Studio software, Farfield results, **plot** "theta phase" and "phi phase" of realized **gain** of Antenna pattern. How we can **plot** phase pf pattern in HFSS like CST?
Thanks

RF, Microwave, Antennas and Optics :: 06-12-2016 04:33 :: zohre :: Replies: **2** :: Views: **1054**

1) select a device according to operating frequency, **gain**, supply voltage, power and etc.
2) **plot** DC characteristics and determine DC operating by using Prms = Vds x Ids. Prms is RF output power.
3) do impedance matching for the PA using commercially available matching tools (e.g ADS and etc). make sure the matching network within the Qmax circle.

RF, Microwave, Antennas and Optics :: 04-15-2016 17:35 :: pragash :: Replies: **5** :: Views: **1062**

The **gain** **plot** is attached. It is a microstrip patch antenna. It has a wide impedance bandwidth between 2 and 5 GHz but its **gain** at broadside is negative very much throughout the bandwidth. I believe the low **gain** may be due to substrate edge diffraction.
In which application can I use an antenna with such a (...)

RF, Microwave, Antennas and Optics :: 04-03-2016 07:14 :: kae_jolie :: Replies: **6** :: Views: **473**

I have to verify the results of a differential microstrip patch antenna of a research journal for my college project. The antenna consists of dual patches which are electromagnetically coupled (Antenna design attached).
The simulated VSWR and **gain** **plot** are attached along with the simulated results of the paper. As you can see I am not getting

Electromagnetic Design and Simulation :: 03-18-2016 22:25 :: srijan.rio :: Replies: **1** :: Views: **617**

I have designed a 10 element LPDA and I want to achieve around 6-7dB of **gain** but I am getting an issue with the **gain** **plot** (see attached). It looks like there is some null on the PHI axis. I am feeding the antenna with a coaxial line and a lumped port at the end. I honestly have no idea why it is doing that... Hope someone on here can shed (...)

Electromagnetic Design and Simulation :: 03-03-2016 22:34 :: hnoor23 :: Replies: **0** :: Views: **371**

I was testing some low-cost eBay switching power adapters and saw all had sloppy performance on step load testing.
I opened it up and decided to test the **gain**/phase response at 500 mA.
Below is the **plot**s from the FRA used. Looking at the first **plot** it can be seen why the response is so bad.
On further investigation, it appears (...)

Power Electronics :: 02-21-2016 01:21 :: E-design :: Replies: **5** :: Views: **476**

Whenever I use LTspice to make a **plot** of frequency response of a filter the signal generator always says "AC1" which is its AC reference amplitude. The actual amplitude in volts does not matter because the output level is compared to the input level with the difference in decibels.

Analog Circuit Design :: 02-05-2016 15:34 :: Audioguru :: Replies: **8** :: Views: **2423**

the phase magnitude **plot** doesn't seem to indicate a stability problem (see attached images).
To say so with some reason, you would have performed the AC analysis with a parametric sweep of output current set point. Did you?
The problem is that transistor gm varies with drain current, loop **gain** does respectively. In addition, larg

Analog Circuit Design :: 01-28-2016 07:10 :: FvM :: Replies: **17** :: Views: **1263**

Adding some phase boost (bottom left **plot**) seems to help quiet it down with no or light loads.
- - - Updated - - -
If the **gain** is restored that was lost by the added phase boost, the response looks nice and snappy!
- - - Updated - - -
Zoomed view of output tra

Power Electronics :: 01-19-2016 02:17 :: E-design :: Replies: **19** :: Views: **1199**

E-plane corresponds to φ = 0°
& H-plane corresponds to φ = 90°
Each axis in 3D has an angle. To **plot**, one sweeps one angle while incrementing the other at 90 deg.
This assumes one axis is symmetrical.

Electromagnetic Design and Simulation :: 01-17-2016 16:12 :: SunnySkyguy :: Replies: **2** :: Views: **1565**

I kinda find it hard to design an EMI filter for my microinverter (output is 60Hz at 360Vac). I already have the values for my inductor but then I cant find the correct values of capacitor. I used the 1/2pi(LC)^1/2 formula but then there are surges at different frequencies, the highest **gain** in my bode **plot** is around 50db which I believe is not acce

Power Electronics :: 12-14-2015 22:01 :: dann11 :: Replies: **0** :: Views: **440**

Hi everyone,
I am characterizing a Field effect transistor with a verilog A model using spectre. I want to **plot** gmro (intrinsic **gain**) vs vds. But the problem is that, the model does not store gm or gds values in dc operating points. Is there any test bench from which I can extract gmro vs vds **plot** without actually getting gm and gds (...)

Analog Circuit Design :: 12-03-2015 18:53 :: zulqar :: Replies: **0** :: Views: **422**

May I know how to **plot** the transimpedance **gain**(Vout/Iin) versus frequency in bode **plot** using Virtuoso Waveform Calculator?
Thank you so much for your help.:wink:

Electromagnetic Design and Simulation :: 12-01-2015 00:57 :: Judith93 :: Replies: **0** :: Views: **298**

Hello All,
Can you please help me in obtaining an antenna **gain** pattern. After selecting the Creating Far Field **plot** --> Rectangular **plot** --> Category (**gain**). What are the other things that i should determine to get **gain** vs. Frequency pattern?
Thank you
Kawther
There is not going to be any (...)

RF, Microwave, Antennas and Optics :: 10-28-2015 08:17 :: davenn :: Replies: **1** :: Views: **430**

I have a beamformed output, say
y = weights * signal,
where the signal is gaussian,i.e signal = randn( 1 , 1e5 ).
Now I want to visualise the output in angular domain, i.e I want to **plot** the **gain** of the resulting signal y as a function of elevation angles. I am considering the mainlobe of 'signal' to be pointing in (0 azimuth,0elevation).

Digital communication :: 10-09-2015 10:05 :: anuribs :: Replies: **0** :: Views: **785**

First go to Radiation in Project Manager. Right click, insert far field setup, Infinite sphere, set theta and phi as start:0, Stop:360. Step Size:1. Now right click on Results, Create Far Field Report, 3D Polar **plot**, select trace tab, Category = **gain**, Quantity = **gain** total, Function = none. Then click New Report. WAHLA!!! ;-)

Electromagnetic Design and Simulation :: 10-07-2015 16:33 :: cannibol_90 :: Replies: **2** :: Views: **1204**

i have designed an antenna and viewed its **gain** **plot** by using HFSS software but i'm getting high **gain** not at desired operating frequency, i think this is because of impedance mismatch problem, could someone please help me regarding this of getting high **gain** at desired operating frequency.
Thanks in advance.

Electromagnetic Design and Simulation :: 09-29-2015 09:01 :: aswin_kmr :: Replies: **0** :: Views: **653**

As my attached picture, if we have negative feedback system, we should make unity **gain** be within -180 phase not to oscillate our system, considering the number of pole in amp.
And I think,
upper unity **gain** frequency, my Aol(in the picture) already has -180 phase because amp has negative **gain**. so without considering the number of pole (...)

Analog Circuit Design :: 09-21-2015 15:35 :: greenjuice :: Replies: **4** :: Views: **820**

When i surfed in net i could get these information for **plot**ting **gain** vs frequency curve but i could'nt get any **plot** when using this,
1. Right-click the Infinite Sphere icon in the project tree, and then click Compute Antenna Parameters on the shortcut menu.
The Antenna Parameters dialog box appears.
2. Under the Solutions tab, (...)

Electromagnetic Design and Simulation :: 09-09-2015 07:01 :: aswin_kmr :: Replies: **2** :: Views: **1010**

When i surfed in net i could get these information for **plot**ting **gain** vs frequency curve but i could'nt get any **plot** when using this,
1. Right-click the Infinite Sphere icon in the project tree, and then click Compute Antenna Parameters on the shortcut menu.
The Antenna Parameters dialog box appears.
2. Under the Solutions tab, (...)

RF, Microwave, Antennas and Optics :: 09-03-2015 06:13 :: aswin_kmr :: Replies: **0** :: Views: **528**

One problem is, for a circuit of some complexity, the
parasitics are distributed and can combine in many
ways (in the same circuit). You can have shunt and
feedforward, in various places and proportions. A
single-pole or few-pole, or few-poles-plus-zeroes,
might be discernible in the details from a **gain**/phase
vs frequency **plot** (if you have the sch

Analog Circuit Design :: 07-31-2015 20:50 :: dick_freebird :: Replies: **3** :: Views: **472**

After specs, and you determine the order of filtering outside the BPF, then you know the minimum number of reactive elements as f increases past resonance. The series & shunt L's negate each other past resonance.
Examine your source and model it more accurately, then verify it with a fixed R load.
Next time choose log for both axes and **plot** **gain**

Elementary Electronic Questions :: 07-28-2015 13:25 :: SunnySkyguy :: Replies: **17** :: Views: **890**

Dear all,
Can anyone show me that how to **plot** antenna **gain** vs. frequency when using CST frequency domain solver?
When using CST time domain solver, I have **plot**ted antenna **gain** vs. frequency based on broadband monitors. However, CST does not support broadband monitors when using frequency domain solver.
Thank you (...)

Electromagnetic Design and Simulation :: 07-20-2015 22:09 :: lijianxing :: Replies: **0** :: Views: **843**

Hi,
I used a anechoic chamber to rotate a transmitting antenna from 0 to 360 with 2 degrees in between. I received **gain** at every two degrees for my antenna. For example at 2 deg I received -64dB and so on for each degree. I am able to view the radiation pattern on the analyzer, but I want to be able to **plot** it onto Matlab, so that I can put i

Electromagnetic Design and Simulation :: 06-30-2015 12:41 :: ateet101 :: Replies: **1** :: Views: **515**

I had the same problem recently for **plot**ting antenna **gain** vs angle degree ^^.
The problem is that matlab polar **plot** doesnt work with negative values - it starts from 0.
You have to either add offset equall to -min value, or try google at matlab forum, someone posted there some script that modified orginal polar function so it works for (...)

Digital Signal Processing :: 06-30-2015 20:09 :: axcdd :: Replies: **1** :: Views: **698**

I am not sure to check -3dB BW by considering Loop **gain** or Closed loop **gain** **plot**.
The filter circuit is realized using feedback. Hence, I see no reason to measure/calculate/simulate the 3dB BW not in this closed-loop configuration.

Analog Circuit Design :: 06-09-2015 19:32 :: LvW :: Replies: **8** :: Views: **685**

hey can anybody plz help me how to **plot** 1.**gain** vs wavelength 2.energy vs distance
for PIN photodiode in silvaco tcad tool

Power Electronics :: 05-30-2015 06:38 :: SUMANKR :: Replies: **0** :: Views: **461**

Hello!
I am designing reflect array antenna in HFSS. I have few questions
1)I have no idea how to determine the CO/Cross polarization Patterns in E and H plane?
2)Also I want to know that how to determine the polarization of your antenna?
3)How to **plot** **gain** Vs frequency in Hfss?
plzz plzz plzzz need helpp!!! :(

Electromagnetic Design and Simulation :: 04-11-2015 09:04 :: Amra :: Replies: **0** :: Views: **1114**

the transfer function we are talking about is "THE OPEN LOOP TRANSFER FUNCTION". I.e. the PLL is actually broken so there is no feedback. You can simulate this OPEN LOOP transfer function, **plot** the **gain** and phase on a BODE **plot**, and where the open loop **gain** crosses 1 ( i.e.0 dB), your phase had better be no closer than 45 (...)

RF, Microwave, Antennas and Optics :: 04-11-2015 00:03 :: biff44 :: Replies: **4** :: Views: **685**

... until a start to get the same **gain** (128000) no matter the step I use (lower). It kinda like stabilizes. This for a sweep from 1.6485V to 1.6515V with 0.01uV of linear step.
Due to positive feedback you get a rather steep **gain** peak at this voltage - you should see it if you **plot** **gain** vs. this input voltage. Th

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 04-08-2015 16:34 :: erikl :: Replies: **14** :: Views: **1882**

Hi,
My return loss **plot** , Antenna **gain** & radiation efficiency match with the journal I am working now, but my radiation pattern **plot** for E_theta & E_phi doesn't match with journal one's. Don't know how to solve and my mistake.
116249
116248
Could you please help as I am in great trouble. You can

RF, Microwave, Antennas and Optics :: 04-06-2015 05:32 :: m.rahmann97 :: Replies: **0** :: Views: **678**

Hi, I have radiation pattern results from anechoic chamber which I need to **plot**. The data which I have are the XY, XZ and the YZ plan each with co and cross pol data. I did the necessary calculation using the horn antenna(source) **gain** values.
Now, how do I calculate the total E field **gain**? Example, in XY co pol at 5GHz, I have 360 values (...)

RF, Microwave, Antennas and Optics :: 04-04-2015 06:30 :: magnitude :: Replies: **0** :: Views: **564**

What could be the possible reason that the 3d Polar **plot** does not show up? my values for radiation sphere varies from 0 to 1800 nad for phi 0 to 360.

RF, Microwave, Antennas and Optics :: 03-28-2015 13:14 :: rizwan183 :: Replies: **2** :: Views: **1003**

Hi All, I have designed a LDO, with low loop **gain**~100dB. In light load, there is only one single pole within UGF, and PM is around 90 degree.
However, when I used an AC signal in VCC and use AC simulation in Vout to **plot** PSR, its low frequency **gain** is only -30dB. I have read some of the treads in this forum in discussing the relationship (...)

Analog Circuit Design :: 03-06-2015 16:20 :: bhl3302 :: Replies: **2** :: Views: **591**

Hi,
Can anyone help me in calculating IIP2 and IIP3 for LNA using ADS. What are the equations used to calculate those.
Thank you

RF, Microwave, Antennas and Optics :: 02-28-2015 07:44 :: LakshmiJL :: Replies: **1** :: Views: **687**

Hi everyone,
I'm investigating a 2x2 MIMO antenna on a mobile handset, I need to **plot** on CST the mean effective **gain** (MEG) & envelope correlation coefficient (ECC), two very important parameters which can evaluate the diversity characteristics and MIMO performance of a mobile antenna system.
The paper I

RF, Microwave, Antennas and Optics :: 04-10-2013 19:36 :: khaled.ayman :: Replies: **11** :: Views: **5039**

Hello Everybody,
I am having a very weird problem in HFSS generated radiation pattern. I am using HFSS 15. It was all good when I designed it. The design resulted in a very good **gain** and excellent radiation pattern. The problem started when I recently changed my workstation/computer/machine (whatever you want to call it). Now the same project (i

RF, Microwave, Antennas and Optics :: 02-07-2015 04:44 :: shovon3091 :: Replies: **1** :: Views: **785**

Do an AC simulation and **plot** Bode diagrams to find **gain** and Phase margins..
You will see Bode simulation control block on the AC simulation palette.

Analog Circuit Design :: 01-21-2015 22:55 :: BigBoss :: Replies: **2** :: Views: **1370**

I have 3D polar **plot** graph for my **gain**...how can I transform the graph to see it as a contour graph in HFSS? The graph axis should be like below:
y-axis = elevation
x-axis = azimuth
Please help.
Thank you.

Elementary Electronic Questions :: 12-18-2014 07:31 :: hazif :: Replies: **1** :: Views: **845**