PMO OpenIR  > 毫米波和亚毫米波技术实验室
Development of a Dual Polarization SIS Mixer With a Planar Orthomode Transducer at 350 GHz
Liu, Kuan-Yu1; Wang, Ming-Jye1; Li, Chao-Te1; Chen, Tse-Jun1; Shi, Sheng-Cai2
2013-06-01
Source PublicationIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
ISSN1051-8223
Volume23Issue:3Pages:0
Corresponding AuthorLiu, KY (reprint author), Acad Sinica, Inst Astron & Astrophys, Taipei 10617, Taiwan. Email: kyliu@asiaa.sinica.edu.tw ; scshi@pmo.ac.cn
AbstractA multipixel array equipped with dual-polarization superconductor-insulator-superconductor junction mixers at approximately 350 GHz is considered to improve the efficiency and survey speed of a telescope. This study develops a compact mixer with a planar orthomode transducer as a key component. Signals coming from a circular waveguide are separated into two polarizations via orthogonal waveguide probes, and then transmitted to the junctions through the tuning circuit. To suppress resonance, metallic blocks confine the RF signals within the circular waveguide, and a 2-mu m-thick silicon nitride membrane, on which all devices were implemented, was suspended across the circular waveguide. The orthomode transducer, simulated with a three-dimensional electromagnetic simulator, has a cross-polarization of less than -20 dB between 306 and 367 GHz. The IF circuit consists of a low pass filter, coplanar waveguides, and a transition to coaxial. The return loss of the IF circuit is less than -20 dB up to 16 GHz from both simulations and measurements. The superconductor-insulator-superconductor junction mixers have been fabricated with quality factor (R-sg/R-n) of 8 and the double-side-band receiver noise temperature T-rx is approximately 120 K between 320 and 360 GHz.
KeywordDual Polarization Planar Orthomode Transducer Sis Junction Mixer
Subject AreaPhysics, Engineering
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1109/TASC.2013.2241171
WOS KeywordTO-MICROSTRIP TRANSITION ; WAVE ; MILLIMETER ; EFFICIENCY ; BANDWIDTH ; RECEIVER
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Physics, Applied
WOS IDWOS:000318867100014
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9802
Collection毫米波和亚毫米波技术实验室
Affiliation1.Acad Sinica, Inst Astron & Astrophys, Taipei 10617, Taiwan
2.Chinese Acad Sci, Purple Mt Observ, Key Lab Radio Astron, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Liu, Kuan-Yu,Wang, Ming-Jye,Li, Chao-Te,et al. Development of a Dual Polarization SIS Mixer With a Planar Orthomode Transducer at 350 GHz[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2013,23(3):0.
APA Liu, Kuan-Yu,Wang, Ming-Jye,Li, Chao-Te,Chen, Tse-Jun,&Shi, Sheng-Cai.(2013).Development of a Dual Polarization SIS Mixer With a Planar Orthomode Transducer at 350 GHz.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,23(3),0.
MLA Liu, Kuan-Yu,et al."Development of a Dual Polarization SIS Mixer With a Planar Orthomode Transducer at 350 GHz".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 23.3(2013):0.
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