Design and Analysis of a Reconfigurable Gilbert Mixer for Software-Defined Radios

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aut.relation.endpage2711
aut.relation.issue8en_NZ
aut.relation.journalSensorsen_NZ
aut.relation.startpage2711
aut.relation.volume21en_NZ
aut.researcherLi, Xuejun
dc.contributor.authorMehta, Sen_NZ
dc.contributor.authorLi, Xen_NZ
dc.contributor.authorDonelli, Men_NZ
dc.date.accessioned2021-04-14T03:08:53Z
dc.date.available2021-04-14T03:08:53Z
dc.description.abstractA reconfigurable gm-boosted, image-rejected downconversion mixer is presented in this paper using the SiGe 8 HP technology. The proposed mixer operates within 0.9–13.5 GHz that is suitable for software-defined radio applications. The conversion mixer comprises of resistive biased radio frequency (RF) section, double balanced Gilbert cell mixer core sections divided as per I and Q stages for image-rejection purpose, inductively peaked gm-boosting section and tunable filter section, respectively. In comparison to previous works in the scientific literature, the design shows enhanced conversion gain (CG), noise figure (NF), and image-rejection ratio (IRR). For the entire band of operation, the mixer attains a good return loss |S11| of <−10 dB. Additionally, the design accomplishes an excellent CG of 22 dB, NF of 2.5 dB, and an image-rejection ratio of 30.2 dB at maximum frequency. Finally, a third-order intercept point (IP3) of −3.28 dBm and 1 dB compression point (CP1) of −13 dBm, respectively, shows moderate linearity performance.en_NZ
dc.identifier.citationSensors, 21(8), 2711. doi:10.3390/s21082711
dc.identifier.doi10.3390/s21082711en_NZ
dc.identifier.issn1424-8220en_NZ
dc.identifier.urihttps://hdl.handle.net/10292/14118
dc.languageenen_NZ
dc.publisherMDPI AGen_NZ
dc.relation.urihttps://www.mdpi.com/1424-8220/21/8/2711
dc.rights© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
dc.rights.accessrightsOpenAccessen_NZ
dc.subjectSoftware-defined radio; Mixer; Image-rejection ratio; Impedance matching
dc.titleDesign and Analysis of a Reconfigurable Gilbert Mixer for Software-Defined Radiosen_NZ
dc.typeJournal Article
pubs.elements-id400137
pubs.organisational-data/AUT
pubs.organisational-data/AUT/Faculty of Design & Creative Technologies
pubs.organisational-data/AUT/Faculty of Design & Creative Technologies/School of Engineering, Computer & Mathematical Sciences
pubs.organisational-data/AUT/Faculty of Design & Creative Technologies/School of Engineering, Computer & Mathematical Sciences/Centre for Signals & Systems
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