A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNA
This article presents a receiver for narrowband IoT (NB-IoT) that eliminates the need for an RF local oscillator (LO) via a subsampling architecture. A pseudo-balun Q-boosted LNA provides sharp anti-aliasing filtering with a noise figure (NF) of 5.6 dB. A direct-coupling derivative superposition tec...
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| Format: | Article |
| Language: | English |
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IEEE
2024-01-01
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| Series: | IEEE Open Journal of the Solid-State Circuits Society |
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| Online Access: | https://ieeexplore.ieee.org/document/10564201/ |
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| author | Hongyu Lu Ahmed Gharib Gadelkarim Jiannan Huang Patrick P. Mercier |
| author_facet | Hongyu Lu Ahmed Gharib Gadelkarim Jiannan Huang Patrick P. Mercier |
| author_sort | Hongyu Lu |
| collection | DOAJ |
| description | This article presents a receiver for narrowband IoT (NB-IoT) that eliminates the need for an RF local oscillator (LO) via a subsampling architecture. A pseudo-balun Q-boosted LNA provides sharp anti-aliasing filtering with a noise figure (NF) of 5.6 dB. A direct-coupling derivative superposition technique where low-<inline-formula> <tex-math notation="LaTeX">$V_{t}$ </tex-math></inline-formula> and thick-gate transistors with opposite nonlinear characteristics are combined to improve the measured IIP3 by 7 dB to −18 dBm with little NF overhead. Fabricated in 65-nm CMOS, the entire receiver, including the LNA, an S/H circuit, and a 10-bit SAR ADC, consumes only 0.69 mW while meeting NB-IoT specifications. |
| format | Article |
| id | doaj-art-fc7bc719d8da48299703a9af3449b824 |
| institution | Kabale University |
| issn | 2644-1349 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Open Journal of the Solid-State Circuits Society |
| spelling | doaj-art-fc7bc719d8da48299703a9af3449b8242025-01-25T00:03:05ZengIEEEIEEE Open Journal of the Solid-State Circuits Society2644-13492024-01-014576810.1109/OJSSCS.2024.341689310564201A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNAHongyu Lu0https://orcid.org/0000-0001-6780-2030Ahmed Gharib Gadelkarim1Jiannan Huang2https://orcid.org/0000-0002-9890-3384Patrick P. Mercier3https://orcid.org/0000-0003-1488-5076Department of Electrical and Computer Engineering, University of California at San Diego, La Jolla, CA, USADepartment of Electrical and Computer Engineering, University of California at San Diego, La Jolla, CA, USAQualcomm Inc., San Diego, CA, USADepartment of Electrical and Computer Engineering, University of California at San Diego, La Jolla, CA, USAThis article presents a receiver for narrowband IoT (NB-IoT) that eliminates the need for an RF local oscillator (LO) via a subsampling architecture. A pseudo-balun Q-boosted LNA provides sharp anti-aliasing filtering with a noise figure (NF) of 5.6 dB. A direct-coupling derivative superposition technique where low-<inline-formula> <tex-math notation="LaTeX">$V_{t}$ </tex-math></inline-formula> and thick-gate transistors with opposite nonlinear characteristics are combined to improve the measured IIP3 by 7 dB to −18 dBm with little NF overhead. Fabricated in 65-nm CMOS, the entire receiver, including the LNA, an S/H circuit, and a 10-bit SAR ADC, consumes only 0.69 mW while meeting NB-IoT specifications.https://ieeexplore.ieee.org/document/10564201/LinearityLNAnarrowband IoT (NB-IoT)receiversubsampling |
| spellingShingle | Hongyu Lu Ahmed Gharib Gadelkarim Jiannan Huang Patrick P. Mercier A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNA IEEE Open Journal of the Solid-State Circuits Society Linearity LNA narrowband IoT (NB-IoT) receiver subsampling |
| title | A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNA |
| title_full | A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNA |
| title_fullStr | A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNA |
| title_full_unstemmed | A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNA |
| title_short | A 0.69-mW Subsampling NB-IoT Receiver Employing a Linearized <italic>Q</italic>-Boosted LNA |
| title_sort | 0 69 mw subsampling nb iot receiver employing a linearized italic q italic boosted lna |
| topic | Linearity LNA narrowband IoT (NB-IoT) receiver subsampling |
| url | https://ieeexplore.ieee.org/document/10564201/ |
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