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A GaN-on-Si passive upconversion mixer for Ku-band applications.

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Title: A GaN-on-Si passive upconversion mixer for Ku-band applications.
Authors: San-Miguel-Montesdeoca, M.1,2 (AUTHOR) mario.sanmiguel@wimmic.com, Mateos-Angulo, S.1,2 (AUTHOR), Mayor-Duarte, D.1,2 (AUTHOR), Ramos-Valido, D.1,2 (AUTHOR), L. Khemchandani, Sunil2 (AUTHOR), del Pino, J.2 (AUTHOR)
Source: AEU: International Journal of Electronics & Communications. Sep2020, Vol. 124, pN.PAG-N.PAG. 1p.
Subjects: Phased array antennas, Technology assessment, Photon upconversion, Energy consumption
Abstract: • Ku-band Phased Array Antenna (PAA) MMICs do not typically include integrated mixers. • A passive GaN on Si SSB SHP mixer for Ku-band applications is presented The measurement results are very promising and thoroughly analysed. • The cause of an unexpected performance error has been identified as technology-related. • The possibility of implementing passive mixers in GaN on Si technologies is proven. This paper showcases a passive single side-band (SSB) subharmonically pumped (SHP) GaN on Si mixer intended for operation in the Ku band. A passive topology has been selected in order to test the viability of these kinds of designs for GaN applications. By utilising the SSB SHP mixer, it is possible to reduce the energy consumption of a complete transmission system implementation. Two techniques to enhance the performance of the mixer are tested. First, the quasi-lumped method has been employed to reduce the size of the stubs needed to implement the mixer topology. Secondly, octagonal tapered inductors were used to obtain higher quality factors and narrow the frequency response of the lumped-element hybrids. The final design occupies an area of 2720 μ m × 1514 μ m , including pads. Measurements show a performance in line with the simulations, with a slight increase in its losses with respect to the simulation results. Through the measurement of a transistor of the technology, it is demonstrated that this deviation is caused by the variability of the process and its low technology readiness level (TRL). The results are very promising and prove the advantages of implementing passive mixers for high-frequency applications in GaN on Si technologies. [ABSTRACT FROM AUTHOR]
Copyright of AEU: International Journal of Electronics & Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 145497283
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: A GaN-on-Si passive upconversion mixer for Ku-band applications.
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  Data: <searchLink fieldCode="AR" term="%22San-Miguel-Montesdeoca%2C+M%2E%22">San-Miguel-Montesdeoca, M.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> mario.sanmiguel@wimmic.com</i><br /><searchLink fieldCode="AR" term="%22Mateos-Angulo%2C+S%2E%22">Mateos-Angulo, S.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mayor-Duarte%2C+D%2E%22">Mayor-Duarte, D.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ramos-Valido%2C+D%2E%22">Ramos-Valido, D.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22L%2E+Khemchandani%2C+Sunil%22">L. Khemchandani, Sunil</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22del+Pino%2C+J%2E%22">del Pino, J.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22AEU%3A+International+Journal+of+Electronics+%26+Communications%22">AEU: International Journal of Electronics & Communications</searchLink>. Sep2020, Vol. 124, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Phased+array+antennas%22">Phased array antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Technology+assessment%22">Technology assessment</searchLink><br /><searchLink fieldCode="DE" term="%22Photon+upconversion%22">Photon upconversion</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink>
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  Label: Abstract
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  Data: • Ku-band Phased Array Antenna (PAA) MMICs do not typically include integrated mixers. • A passive GaN on Si SSB SHP mixer for Ku-band applications is presented The measurement results are very promising and thoroughly analysed. • The cause of an unexpected performance error has been identified as technology-related. • The possibility of implementing passive mixers in GaN on Si technologies is proven. This paper showcases a passive single side-band (SSB) subharmonically pumped (SHP) GaN on Si mixer intended for operation in the Ku band. A passive topology has been selected in order to test the viability of these kinds of designs for GaN applications. By utilising the SSB SHP mixer, it is possible to reduce the energy consumption of a complete transmission system implementation. Two techniques to enhance the performance of the mixer are tested. First, the quasi-lumped method has been employed to reduce the size of the stubs needed to implement the mixer topology. Secondly, octagonal tapered inductors were used to obtain higher quality factors and narrow the frequency response of the lumped-element hybrids. The final design occupies an area of 2720 μ m × 1514 μ m , including pads. Measurements show a performance in line with the simulations, with a slight increase in its losses with respect to the simulation results. Through the measurement of a transistor of the technology, it is demonstrated that this deviation is caused by the variability of the process and its low technology readiness level (TRL). The results are very promising and prove the advantages of implementing passive mixers for high-frequency applications in GaN on Si technologies. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of AEU: International Journal of Electronics & Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.aeue.2020.153358
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        Text: English
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      – SubjectFull: Technology assessment
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      – SubjectFull: Photon upconversion
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              Text: Sep2020
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