Chinmay T
Forum Moderator

PMLBoundaryshould be placed at leastlambda/8 distance from the radiating object.You can also useFE-BIboundary for keeping radiation box closer thanPML boundary.
You can scale the voltagesourceby right mouse clicking on excitations and select edit sources.

Please go throughÔÇ£assigning PML boundariesÔÇØandÔÇ£scalingsourcesfor HFSSÔÇØsectionsfromtheHFSS help document for detailed information.
Please go through our course available in AIC channel for video tutorials -Electronics Engineering Courses | Ansys Innovation Courses
You can also browse the videos available on ouryoutubechannels
Thank you.