Dear Researchers,

Greetings!! I have 2 small queries:

1. Since width of HMSIW is less than SIW but it is more than half..does width of substrate of HMSIW effect result?

2. I have studied few papers on microstrip BPF using short/open stub and spurlines etc?? I am not clear of their individual role in filter performance as all improve stop band performance and selectivity..so then why many papers use them together? .if have any idea or paper..pl do refer

Thanking you very much

Regards

Nitin

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