Question about feedhorn (LNB) of dss dish
时间：04-10
整理：3721RD
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Hello guys I am trying to do work about horn antennas, so I took a lnb to a directtv dish rain cap off and found the horn antenna or feeder. I have two very important question about these I was hoping that someone can help:
1) why are there circle then another smaller circle and another smaller basically the horn has smaller and smaller in steps steps like 4 of them.
2) In the horn there is a peice of metal in the middle flat thin metal that kind of splits the inside in half and a V shape at the top of this thin strip
Can someone please tell me why these are there what are they doing thanks
1) why are there circle then another smaller circle and another smaller basically the horn has smaller and smaller in steps steps like 4 of them.
2) In the horn there is a peice of metal in the middle flat thin metal that kind of splits the inside in half and a V shape at the top of this thin strip
Can someone please tell me why these are there what are they doing thanks