Tracking feed for multi-band operation
First Claim
Patent Images
1. An antenna feed system, comprising:
- a single horn having corrugations and four evenly spaced waveguide ports on sides of a single one of the corrugations;
a combiner network that receives signals at approximately 20 GHz from the four waveguide ports and outputs sum and difference output signals; and
a transducer that provides transmit signals at approximately 30 GHz and approximately 44 GHz to a rear end of the single horn.
2 Assignments
0 Petitions
Accused Products
Abstract
An antenna feed system comprises a single horn having corrugations and four evenly spaced waveguide ports on sides of a single one of the corrugations. A combiner network receives signals at approximately 20 GHz from the four waveguide ports and outputs sum and difference output signals. A transducer provides transmit signals at approximately 30 GHz and approximately 44 GHz to a rear end of the single horn.
28 Citations
34 Claims
-
1. An antenna feed system, comprising:
-
a single horn having corrugations and four evenly spaced waveguide ports on sides of a single one of the corrugations;
a combiner network that receives signals at approximately 20 GHz from the four waveguide ports and outputs sum and difference output signals; and
a transducer that provides transmit signals at approximately 30 GHz and approximately 44 GHz to a rear end of the single horn. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. An antenna feed system, comprising:
-
a single horn having a plurality of waveguide ports coupled to sides thereof;
a transducer that provides first and second transmit signals to a rear end of the single horn, the first and second transmit signals having respectively different first and second frequencies; and
a combiner network that receives signals from the waveguide ports of the single horn in a third frequency different from either of the first and second frequencies, the combiner network providing sum and difference output signals. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A method for conducting signals, comprising the steps of:
-
(a) providing at least first and second transmit signals to a rear end of a single horn for transmission, the first and second transmit signals having respectively different first and second frequencies;
(b) receiving downlink signals with the single horn, the downlink signals having a third frequency different from either of the first and second frequencies;
(c) feeding the downlink signals through sides of the single horn; and
(d) forming sum and difference output signals from the downlink signals for communications and tracking. - View Dependent Claims (22, 23, 24, 25)
-
-
26. A method for fabricating an antenna feed, comprising the steps of:
-
(a) connecting a transducer to a rear of a horn having a corrugated section;
(b) cutting four openings in a side wall of a single corrugation of the corrugated section;
(c) providing a matching transformer at each of the four openings to form four coupling sections;
(d) connecting the four coupling sections of the horn to a combiner network via waveguides. - View Dependent Claims (27, 28, 29, 30)
-
-
31. A method for conducting signals, comprising the steps of:
-
(a) providing at least first and second transmit signals to a single horn for transmission, the first and second transmit signals having respectively different first and second frequencies;
(b) receiving downlink signals with the single horn, the downlink signals having a third frequency different from either of the first and second frequencies; and
(c) forming sum and difference output signals from the downlink signals for communications and tracking.
-
-
32. A method for conducting signals, comprising the steps of:
-
providing at least first and second transmit signals to a single orthomode transducer simultaneously, the first and second transmit signals having the same frequency and respectively different first and second polarizations;
transmitting the first and second transmit signals from the single orthomode transducer to a single horn simultaneously; and
transmitting the first and second transmit signals simultaneously from the single horn using TM01 mode. - View Dependent Claims (33, 34)
-
Specification