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Recent content by waqsoh

  1. W

    Q3D capacitance calculation error...

    I think i didn't formulate the issue clearly ,i will try to make a new thread for the problem..
  2. W

    Q3D capacitance calculation error...

    I am trying to find capacitance between two copper plates , these two copper plates are joined by a third plate as shown in figure 1 below. The capcitance is to be found beween signa net 1 and signal net2 , whereas the third conductor joins both of them. when i try to validate the design it...
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    [SOLVED] Same geometry but slightly different results

    I used region with absolute offset as shown in fig 1. S-parameters are shown in fig 2. There is still difference but it is small compared to previous case and at 6 GHz, sparams are almost same. For comparison fig 3 shows the case when the microstrips are in separate boxes and the distance of...
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    [SOLVED] Same geometry but slightly different results

    I have checked, all the boundary conditions are same. There is a question relating to boundaries. I have a microstrip enclosed in a vaccum box, with radiating boundary condition. If i include a second microstrip enclosed in a separate vaccum box, with radiating obundary condition. Will these two...
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    [SOLVED] Same geometry but slightly different results

    i am doing HFSS simulations of simple microstrip. I designed two microstrips having same dimesnisons and everything, as shown in Fig 1. However when i see s-paramters for both microstrips, they are slightly different, as shown in fig 2. I dont understand why this happens. i tried denser mesh...
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    [SOLVED] Stripline with a crack - simulation error

    Thankz. Yes micorowave gap revealed alot of information. I dont have microwave background. If you can give guidance in this regard, ot will be really helpful. Whatif instead of gap there is just a slit(transmission line is still connected). If we vary the depth of slit from small to full length...
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    [SOLVED] Stripline with a crack - simulation error

    Thanks. Creating a vaccum box solved the issue. What do you mean by seeding the vaccum box.
  8. W

    [SOLVED] Stripline with a crack - simulation error

    Hi, I am simulating a simple stripline, which has a crack, in HFSS. The stripline with a crack is shown in Fig 1. The cracked stripline should block dc or lower frequencies and pass higher frequencies. When the crack width is 0.0002 mm, the simulation works fine. Figure 2 shows the results...

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