ananth
Advanced Member level 4
Hello everyone,
I'm relatively new to HFSS and am trying to simulate an antenna that works perfectly fine in ADS Momentum. The list of problems I'm facing are:
1. The antenna gives me 40 dB of return loss in Momentum but only 10 dB in HFSS. I thought it could be because of the infinite ground in ADS. I verified that and thts not the problem. Anything else anybody can think of?
2. The CPW port definition is a mystery to me. If one has to fiddle with the port size for the port impedance to get to whatever value, one could have the right CPW line and still not have the correct simulation results. Is this correct or is there another way to define the ports to have a particular impedance for a Tline?
3. I can write an equation in Momentum to find the input impedance values. Can this be done in HFSS?
4. Is there a thumb rule for the size of a radiation box that confines the circuit?
Thanks,
Ananth.
I'm relatively new to HFSS and am trying to simulate an antenna that works perfectly fine in ADS Momentum. The list of problems I'm facing are:
1. The antenna gives me 40 dB of return loss in Momentum but only 10 dB in HFSS. I thought it could be because of the infinite ground in ADS. I verified that and thts not the problem. Anything else anybody can think of?
2. The CPW port definition is a mystery to me. If one has to fiddle with the port size for the port impedance to get to whatever value, one could have the right CPW line and still not have the correct simulation results. Is this correct or is there another way to define the ports to have a particular impedance for a Tline?
3. I can write an equation in Momentum to find the input impedance values. Can this be done in HFSS?
4. Is there a thumb rule for the size of a radiation box that confines the circuit?
Thanks,
Ananth.