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29 Threads found on Hfss Current Line
Which version of CST studio you are using? Use hfss for microwave simulation.
How to calculate power dissipation in SMD resistor, which is part of the radiating structure, i.e., connected in series with a single-sided PCB (printed circuit board) line. It is clear that P=I2*R, where R is the resistance of the resistor and I is the current through it. But the question is, how using Field Overlays to correctly identi
Hi! The model used in my hfss simulation is stripline, and I'd like to integrate the surface current density (Jsurf) over a line which is defined as the contour path around the conductor. However, I don't know how to make it. I've supposed 2 possible solutions. 1) integrate directly in hfss with (...)
I'm not sure exactly what you're doing, but I can explain how to use a lumped RLC boundary in hfss and set its resistance to 100Ω. Regarding the current line (for a lumped RLC boundary), you just set the starting point at one end of the resistor and the end point at the other end (touching the edge of the surface on which you're (...)
Hi eraste, Thanks for your reply, this maybe a silly question but how would i go about finding those modes? I already tried to solve my sphere in hfss eigenmode however the simulation never solved since it ran for over 24 hours. Thanks again.
for example if you have two lines, with a gap between, on a substrat (the substrat and the lines are create by 'Draw->Box', for details see help in hfss). then you make 'Draw->rectangular', which creates a 2D sheet. The sheet has to fill the gap between the lines. After that you can click on the sheet and select (...)
when an electromagnetic wave propagates through a dielectric substrate does it generate a voltage difference or a current flow (even minute values)? If so, how do you measure the current and/or voltage using ansoft hfss??? Instantaneous values or vectors will do...thanks in anticipation :)
To whom it may concern I design a microloop as my antenna. The diameter of this loop is 20 um. This antenna can generate an AC magnetic field under 1 GHz microwave excitation. From the figure (as attached), you can see the induce surface current on my sample is like a dipolar radiation pattern. I want to use this dipole radiation pattern to do
Hello everyone, I've tried to simulate the effect of current running through an copper strip in hfss to investigate the gradient effect on a surrounding static magnetic field. The problem at hand is to create this magnetic field. So what I've tried so far is the draw a cylinder (3D) made of ferrite and excite this with a magnetic bias as if a pe
Hi, everyone. I have already made a phase shift, which is implemented by a microstrip line. I want to apply this phase shift to changing the current feeding to the dipole antenna. However, as I am using the hfss to simulate this, I have no idea on how to connect the phase shift to the dipole. The phase shift I made is to change the phase of (...)
Hi! "With lump port=> the excitation is applied at a point/cell, as a voltage or current. With wave-port=> the excitation is so-called eigen-wave, such as the quasi-tem wave supported by a microstrip line. It applies over a cross-sectional area. voltage is scalar, wave is vector by nature, hence there are substantial difference between the two
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 (...)
I have been trying to calculate the impedance of a dipole pole antenna that is excited by a voltage source in hfss v9.2.1. I can use the fields calculator to calculate the current at the center of the voltage source line. I should then be able to get the impedance by dividing the voltage by the current. I have designed the (...)
In the "Calculating the current along a Wire or Trace" section of cookbook if I understood correctly the H field has been dot producted with the closed line, which had been defined previously, and then the line integral is taken. And there it says that the result of this integral is equal to the current which that closed (...)
I carry out a parametic study. I need to compare the results in different simulations. How to plot together in hfss instead of using MATLAB. Thank you
Hi everyone, I am new in hfss and I have a question regarding the DC solution in hfss. I designed a coupled-line transformer, solved between 100MHz and 10GHz, and simulated it in hfss. I then generated the s-parameters file of the structure. The S11 and S12 plots are close to my hand calculations. Since I want to (...)
espercially coupled lines? wave port or lumped port?
I have a structure which is excited by a line current source parallel to z axis. The current varies along the line in the form of exp(-j.beta.z), where "beta" is a constant number. Now my quation is that how I can model this kind of current in hfss9.2.
Perhaps you can only observe the EM field,not the current in hfss.
Yes, that sounds right. The current line should snap to the center of the square edges that you are defining as the RLC boundry. It works just line defining a lumped port. One thing I watch out for in hfss is the meshing. Look at the current densities on your conductors. It should be high at the edges (...)