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Alternative TitleA Q-band multi-pore coupling type directional coupler
马军; 陈卯蒸; 刘艳玲; 李健; 闫浩; 王凯; 曹亮
Rights Holder中国科学院新疆天文台
Date Available2017-02-22
Contribution Rank1
Copyright Date2019-03-15
Other AbstractThe invention relates to a Q-band multi-pore coupling type directional coupler which is a microwave directional coupler in a compact structure. The Q-band multi-pore coupling type directional coupler is composed of a circular waveguide, a rectangular waveguide, a power divider, a first load, a second load, a coupling channel first port, a coupling channel second port, a coupling channel third port, a coupling port fourth port, a first rectangular port, a second rectangular port, a third rectangular port, a coupling hole, an inductive diaphragm and a matching nail. The directional coupler employs a symmetrical equal-interval multi-hole coupling form, in which a main channel circular waveguide TE11 mode signal is coupled into the rectangular waveguide of a coupling channel to realize 20dB coupling characteristics. The center frequency is 40GHz and the relative bandwidth is 50%. The directional coupler is applied to a radio telescope Q-band receiver system. The measured results of reflection loss and the coupling degree of the directional coupler are in good agreement with the simulation results, so that the directional coupler can meet the requirements of radio astronomical observation.
Application Date2016-10-26
Patent NumberZL 2016 1 1063812.6
Application NumberCN201610947123.5
Open (Notice) NumberCN106450642A
IPC Classification NumberG01C21/02
Patent Agent张莉
Document Type专利
First Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
马军,陈卯蒸,刘艳玲,等. 一种Q波段多孔耦合型定向耦合器. ZL 2016 1 1063812.6[P]. 2019-03-15.
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