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This paper presents a newly developed slim triple band capable Tx/Rx polariser network in K/Ka-Band covering user and gateway sub-bands e.g. 17.3 GHz–20.2 GHz (downlink), 24.65 GHz–25.25 GHz and 27.5 GHz–30.0 GHz (up-link) for a high throughput satellite (HTS) antenna application. This new broadband feed chain consists of a triple band capable diplexer, a six-port orthogonal mode junction (OMJ), a...
This paper investigates the use of additive layer manufacturing (ALM) for waveguide components based on two Ku-band sidearm orthomode transducers (OMT). The advantages and disadvantages of the ALM manufacturing regarding RF waveguide components are discussed and measurement results are compared to those of an equal OMT manufactured by conventional techniques. The paper concludes with an outlook to...
Future generation telecommunication satellites need a payload with many communication channels as well as an increased transmit power per channel. Flexibility due to frequency and polarisation allocation and increased communication capacity are required. This paper presents a summary of the latest developments in modular high power Ku-band Polarisation Devices (PDs) at AIRBUS DS GmbH. It covers two...
Airbus DS GmbH has developed a Ka-band antenna assembly which offers steerable up- / downlink connections (receive, transmit) for satellites in low earth orbit (LEO). The antenna consists of a dual reflector antenna and a mechanical steering mechanism. The pointing mechanism comprises the steering unit, a standardised azimuth stage and an elevation stage, which is custom-made.
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