X-band CMOS Lumped-Component Filter with On-Chip Automated Calibration Using SAR Algorithm

A novel CMOS lumped-component filter with on-chip calibration is proposed on a 45nm silicon on insulator (RFSOI) technology, using inline topology with resonant coupling between resonators. Calibration network is based on successive-approximation register (SAR) algorithm and free running cross-coupl...

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Bibliographic Details
Published inProceedings (International Conference on Telecommunications and Signal Processing. Online) pp. 60 - 64
Main Authors Nedelchev, Marin, Kechev, Jordan
Format Conference Proceeding
LanguageEnglish
Published IEEE 12.07.2023
Subjects
45nm-RFSOI
Calibration
CMOS
CMOS filter
Filtering algorithms
lumped-element filter
Matched filters
on-chip calibration
Power demand
Resonator filters
satellite communication (SATCOM)
self-calibration
Signal processing algorithms
System-on-chip
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ISSN2768-3311
DOI10.1109/TSP59544.2023.10197771

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Summary:A novel CMOS lumped-component filter with on-chip calibration is proposed on a 45nm silicon on insulator (RFSOI) technology, using inline topology with resonant coupling between resonators. Calibration network is based on successive-approximation register (SAR) algorithm and free running cross-coupled oscillator and also the design freedom given in the synthesis of the filter for choosing the capacitors values [1]. Variation in the 3-dB BW and also transmission zeroes locations is decreased from 1.5GHz to a 100MHz with center frequency of 10 GHz.
ISSN:2768-3311
DOI:10.1109/TSP59544.2023.10197771