A Compact Variable Gain Amplifier With Continuous Time-Gain Compensation Using Systematic Predistorted Gain Control
DC Field | Value | Language |
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dc.contributor.author | Um, Ji-Yong | - |
dc.date.accessioned | 2022-03-28T03:40:04Z | - |
dc.date.available | 2022-03-28T03:40:04Z | - |
dc.date.created | 2022-03-28 | - |
dc.date.issued | 2022-02 | - |
dc.identifier.issn | 1549-7747 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/20811 | - |
dc.description.abstract | This brief presents a compact variable gain amplifier (VGA) with continuous time-gain compensation (TGC) for ultrasound imaging. The proposed VGA utilizes an open-loop topology and transconductance-subtraction load for compact implementation with sufficient gain range. To compensate for gain nonlinearity of VGA, this work proposes a systematic predistortion of gain-control signal to enhance an accuracy of TGC operation. The proposed VGA implemented in 180-nm CMOS process occupies 0.025 mm(2), and consumes 0.96 mW for the maximum gain condition with a supply voltage of 1.8 V. A realtime continuous TGC has been illustrated in measurement. The fabricated VGA achieves a gain range of 37 dB, a gain error below 1.4 dB, and an input referred noise of 8.6 nV/root Hz for the maximum gain condition. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.title | A Compact Variable Gain Amplifier With Continuous Time-Gain Compensation Using Systematic Predistorted Gain Control | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Um, Ji-Yong | - |
dc.identifier.doi | 10.1109/TCSII.2021.3090424 | - |
dc.identifier.wosid | 000748372000007 | - |
dc.identifier.bibliographicCitation | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.69, no.2, pp.274 - 278 | - |
dc.relation.isPartOf | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | - |
dc.citation.title | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | - |
dc.citation.volume | 69 | - |
dc.citation.number | 2 | - |
dc.citation.startPage | 274 | - |
dc.citation.endPage | 278 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Electrical & Electronic | - |
dc.subject.keywordAuthor | Variable gain amplifier | - |
dc.subject.keywordAuthor | low area | - |
dc.subject.keywordAuthor | continuous time-gain compensation | - |
dc.subject.keywordAuthor | ultrasound imaging | - |
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