Patent ID: 6642900
Filing Date: 2003-11-04
Classification: H01Q

Abstract:
A multiple mode feed horn for transmitting and receiving signals comprising:a throat section having an input end, said throat section comprising: a first cylindrical section having a first fore end and a first aft end; and a first flared section having a first tapered end and a first expanded end; said first tapered end is coupled to said first aft end; a profile section comprising: a first step coupled to said first expanded end, said first step propagating a first transverse electric (TE) mode; a second cylindrical section having a second fore end and a second aft end, said second fore end is coupled to said first step; and a second flared section having a second tapered end and a second expanded end, said second tapered end coupled to said second aft end; and an aperture section having an output end, said aperture section comprising: a first flared step having a third step coupled to a third flared section, said third step is coupled to said second expanded end; said first flared step propagating a second TE mode; and a mouth defined by an inner diameter of said output end.