The design of the front-end for a radio-astronomical receiver usually presents notable challenges in terms of large bandwidth and polarization purity and, more recently, for the very high frequencies investigated. In thisarticle, the design of the whole front-end at 100 GHz (horn and backing ortho-mode transducer) is discussed and the critical aspects related to the mechanical structure due to the high frequency of operation are outlined. The article also discusses the aluminum electroforming technology chosen for manufacturing the front-end. Finally, the results of measurements taken on prototypes are shown.

R. Banham

G. Valsecchi

L. Lucci

G. Pelosi

S. Selleri

V. Natale

R. Nesti

G. Tofani

Microwave journal

Since 1958, Microwave Journal has been the leading source for information about RF and Microwave technology, design techniques, news, events and educational information.  Microwave Journal reaches 50,000 qualified readers monthly with the print magazine that has a global reach.

Since 1958, Microwave Journal has been the premier source of information on RF and microwave technology, design techniques, news, events, and educational resources. It reaches 50,000 qualified readers each month with its print magazine, which has a global impact.

自1958年以来，Microwave Journal 一直是关于射频和微波技术、设计技巧、新闻、事件和教育信息的主要信息来源。Microwave Journal 每月接触到50,000名合格读者，印刷杂志具有全球影响力。

Category	Quartile
计算机科学	4
计算机科学, 工程电子与电气	4
计算机科学, 电信学	4

Electro-formed Front-end at 100 GHz for Radioastronomical Applications

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