I want to simualte a CPW fed slot antenna in CST MWS... I am just the beginner. I would be glad if someone can let me know of any tutorial or useful link.
My research is not about coplanar devices. But to my experience, you should provide the excitation by use of discrete ports. There is a nice example for HFSS, but the same design and simulation principles apply to CST MWS. Please check the attached tutorial. It is for HFSS, but you can easily adapt it for MWS.
thanks for the information Element7k. The procedure for setting CPW is throughly explained in the new manual. I set the new version today. Somehow CST did not send us the new version until recently. There seems to be a lot of changes and improvements. I wonder, how does the eigenmode solver performs in this new version?
Hello everyone!
Who can help me with the submitted file and tell me how to add the CPW port at the model?I am anxious for it. Thank you!
Regards !
Parris
Hi parris:
you can do it in several way depends on how you perceive and which amaze you, i usually do like
1) Select the face to strip
2) Click on waveguide button
3) Select the "free" combo and then extend a bit on both side of x (In this case 10)
4) The waveguide should start from ground
5) 3 times (height of substrate) above the patch is good approximation
In coplanar examples. For CPW without ground metal, CST recommends the port to be symmetrical around the substrate. For CPW with ground metal, they recommend that port just reach the ground metal.
Check p. 132 of pdf file "getting start" for CST 2006.
I don't know why this difference?
I highly appreciate your help if you know how the boundry conditions should be in the case of CPW with ground material. I'm getting different kinds of errors> Check this post:
I do not have 2006 suit so if you can upload the picture then i will be in much better conditon to visualize. I am sure if the port is beneath the ground nothing will happen becoz of PEC.
In fact, there is no big problem to set the port as CST advised. The problem I'm facing is how to set the boundary conditions for different CPW slot antennas.
So, if we have some CPW slot antenna as in the attachment. Let's talk if we have ground plane or without ground plane. Then we will have two cases.
My question is: How to set the boundary conditions for each case ??