A low-cost microwave rotary joint

Pekka Eskelinen

doi:10.1109/RADAR.2014.7060276

A low-cost microwave rotary joint

^*Corresponding author for this work

Department of Electrical Engineering and Automation

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

3 Citations (Scopus)

Abstract

A simple and cheap coaxial microwave rotary joint covering frequencies from 1 to 21 GHz is described. Measured typical insertion loss is 0.7 dB, return loss stays better than 10 dB and the rotating torque requirement is 26 mNm. Maximum variation of attenuation as a function of rotating angle is 0.5 dB. Operation up to 37 GHz has been tried with loss values around 2 dB, typical.

Original language	English
Title of host publication	2014 International Radar Conference, Radar 2014
Publisher	IEEE
ISBN (Electronic)	9781479941957
DOIs	https://doi.org/10.1109/RADAR.2014.7060276
Publication status	Published - 12 Mar 2014
MoE publication type	A4 Conference publication
Event	International Radar Conference - Lille, France Duration: 13 Oct 2014 → 17 Oct 2014

Conference

Conference	International Radar Conference
Abbreviated title	Radar
Country/Territory	France
City	Lille
Period	13/10/2014 → 17/10/2014

Keywords

ball bearings
microwave connectors
microwave measurements
microwave transitions
radar components
rotary joint

Access to Document

10.1109/RADAR.2014.7060276

Cite this

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title = "A low-cost microwave rotary joint",

abstract = "A simple and cheap coaxial microwave rotary joint covering frequencies from 1 to 21 GHz is described. Measured typical insertion loss is 0.7 dB, return loss stays better than 10 dB and the rotating torque requirement is 26 mNm. Maximum variation of attenuation as a function of rotating angle is 0.5 dB. Operation up to 37 GHz has been tried with loss values around 2 dB, typical.",

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AB - A simple and cheap coaxial microwave rotary joint covering frequencies from 1 to 21 GHz is described. Measured typical insertion loss is 0.7 dB, return loss stays better than 10 dB and the rotating torque requirement is 26 mNm. Maximum variation of attenuation as a function of rotating angle is 0.5 dB. Operation up to 37 GHz has been tried with loss values around 2 dB, typical.

KW - ball bearings

KW - microwave connectors

KW - microwave measurements

KW - microwave transitions

KW - radar components

KW - rotary joint

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DO - 10.1109/RADAR.2014.7060276

M3 - Conference article in proceedings

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BT - 2014 International Radar Conference, Radar 2014

PB - IEEE

T2 - International Radar Conference

Y2 - 13 October 2014 through 17 October 2014

ER -

A low-cost microwave rotary joint

Abstract

Conference

Keywords

Access to Document

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