Integrated high frequency horn and ridge polarizer
An unitary one-piece construction feed for a high frequency band antenna, the feed including: a feed horn; and a polarizer comprising a void and multiple sets of ridges disposed in the void, wherein the polarizer is in direct contact with the feed horn and the unitary one-piece construction feed is capable of operating with a carrier signal ranging across one or two consecutive bands selected from Ku, K, Ka and Q bands, for example, from 17.3 GHz to 31 GHz.
1 . A unitary one-piece construction feed for a band antenna, the feed comprising:
a feed horn; and
a polarizer comprising a void and multiple sets of ridges disposed in the void,
wherein the feed horn and the polarizer are integrally formed as a seamless monolithic diecast unibody formed in a single metal shot without an assembly interface therebetween, and the unitary one-piece construction feed is capable of operating with a carrier signal ranging across one or two consecutive bands selected from Ku, K, Ka and Q bands.
2 . The unitary one-piece construction feed of claim 1 , wherein the carrier signal ranges from 17.3 GHz to 31 GHz.
3 . The unitary one-piece construction feed of claim 1 , wherein the carrier signal comprises a transmission signal ranging from 17.3 GHz to 20.5 GHz, and a reception signal ranging from 28.5 GHz to 30.5 GHz.
4 . The unitary one-piece construction feed of claim 1 , wherein the carrier signal comprises a transmission signal in a K band, and a reception signal in a Ka band.
5 . The unitary one-piece construction feed of claim 4 , wherein each ridge of the multiple sets of ridges comprises steps.
6 . The unitary one-piece construction feed of claim 1 , wherein each set of ridges of the multiple sets of ridges comprises two ridges.
7 . The unitary one-piece construction feed of claim 1 , wherein each ridge of the multiple sets of ridges comprises steps.
8 . The unitary one-piece construction feed of claim 1 , further comprising a gap in the void between the feed horn and ends of the multiple sets of ridges.
9 . The unitary one-piece construction feed of claim 1 , wherein the void comprises an Ortho-Mode Transducer (OMT) interface.
10 . The unitary one-piece construction feed of claim 1 , wherein the unitary one-piece construction feed is used for satellite communications.
11 . A unitary one-piece construction feed for a high frequency antenna, the feed comprising:
a feed horn; and
a polarizer comprising a void and two sets of ridges disposed in the void,
wherein
a maximum height of one of the two sets of ridges is lower than a maximum height of other of the two sets of ridges,
the feed horn and the polarizer are integrally formed as a seamless monolithic diecast unibody formed in a single metal shot without an assembly interface therebetween, and
the unitary one-piece construction feed is capable of operating with a carrier signal ranging from 17.3 GHz to 31 GHz.
12 . The unitary one-piece construction feed of claim 11 , wherein the carrier signal comprises a transmission signal ranging from 17.3 GHz to 20.5 GHz, and a reception signal ranging from 28.5 GHz to 30.5 GHz.
13 . The unitary one-piece construction feed of claim 11 , wherein the carrier signal comprises a transmission signal in a K band, and a reception signal in a Ka band.
14 . The unitary one-piece construction feed of claim 11 , wherein each ridge of the two sets of ridges comprises steps.
15 . The unitary one-piece construction feed of claim 11 , further comprising a gap in the void between the feed horn and ends of the two sets of ridges.
16 . The unitary one-piece construction feed of claim 11 , wherein the void comprises an Ortho-Mode Transducer (OMT) interface.