{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T18:52:40Z","timestamp":1773773560871,"version":"3.50.1"},"reference-count":26,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea (NRF) through a grant through the Ministry of Education","doi-asserted-by":"publisher","award":["NRF-2017R1D1A1B05032539"],"award-info":[{"award-number":["NRF-2017R1D1A1B05032539"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea (NRF) through a grant through the Korean Government","doi-asserted-by":"publisher","award":["NRF-2017R1A5A1015596"],"award-info":[{"award-number":["NRF-2017R1A5A1015596"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Access"],"published-print":{"date-parts":[[2021]]},"DOI":"10.1109\/access.2021.3096187","type":"journal-article","created":{"date-parts":[[2021,7,12]],"date-time":"2021-07-12T16:34:53Z","timestamp":1626107693000},"page":"99562-99570","source":"Crossref","is-referenced-by-count":3,"title":["A Novel Varactorless Tuning Technique for Clapp VCO Design Using Tunable Negative Capacitor to Increase Frequency-Tuning Range"],"prefix":"10.1109","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3389-8892","authenticated-orcid":false,"given":"Dang-An","family":"Nguyen","sequence":"first","affiliation":[{"name":"Department of Information Communication, Materials, and Chemistry Convergence Technology, Soongsil University, Seoul, South Korea"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6765-8734","authenticated-orcid":false,"given":"Chulhun","family":"Seo","sequence":"additional","affiliation":[{"name":"School of Electronic Engineering, Soongsil University, Seoul, South Korea"}]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/ISCAS.2001.922337"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1002\/j.1538-7305.1924.tb01358.x"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2017.2687425"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2009.2024494"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1049\/iet-map.2014.0671"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2014.2364811"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1002\/mop.32068"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2015.2495106"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/22.971631"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TCT.1957.1086360"},{"key":"ref4","first-page":"94","article-title":"Develop a trimless voltage-controlled oscillator","volume":"39","author":"o\u2019connor","year":"2000","journal-title":"Microw RF"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2002.804354"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2004.842851"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/TCSI.2010.2046967"},{"key":"ref8","first-page":"399","article-title":"A wide-band CMOS LC VCO with linearized coarse tuning characteristics","volume":"55","author":"kim","year":"2008","journal-title":"IEEE Trans Circuits Syst I Reg Papers"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/CICC.1998.695039"},{"key":"ref2","first-page":"604","article-title":"Oscillators and mixers","author":"pozar","year":"2011","journal-title":"Microwave Engineering"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2007.908740"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.18372\/1990-5548.19.667"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/JRPROC.1953.274251"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/MWSYM.2013.6697633"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2013.2281967"},{"key":"ref24","first-page":"111","article-title":"A 2.5-3.2 GHz CMOS differentially-controlled continuously-tuned varactor-less LC-VCO","author":"pi","year":"2007","journal-title":"Proc IEEE Asian Solid-State Circuits Conf"},{"key":"ref23","first-page":"482","article-title":"A 28 GHz low-phase-noise CMOS VCO using an amplitude-redistribution technique","author":"wachi","year":"2008","journal-title":"IEEE Int Solid-State Circuits Conf (ISSCC) Dig Tech Papers"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2007.899105"},{"key":"ref25","first-page":"571","article-title":"A 5 GHz band low noise and wide tuning range Si-CMOS VCO","author":"ta","year":"2009","journal-title":"Proc IEEE Radio Freq Integr Circuits Symp"}],"container-title":["IEEE Access"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/6287639\/9312710\/09481123.pdf?arnumber=9481123","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,25]],"date-time":"2025-08-25T20:47:38Z","timestamp":1756154858000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9481123\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021]]},"references-count":26,"URL":"https:\/\/doi.org\/10.1109\/access.2021.3096187","relation":{},"ISSN":["2169-3536"],"issn-type":[{"value":"2169-3536","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021]]}}}