{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T19:28:46Z","timestamp":1774121326668,"version":"3.50.1"},"reference-count":15,"publisher":"World Scientific Pub Co Pte Ltd","issue":"05","funder":[{"name":"ECSEL Joint","award":["876124"],"award-info":[{"award-number":["876124"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J CIRCUIT SYST COMP"],"published-print":{"date-parts":[[2022,3,30]]},"abstract":"<jats:p> In this paper, an ultra-wideband fully differential two-stage telescopic 65-nm CMOS op-amp is presented, which uses low-voltage design techniques such as level shifter circuits and low-voltage cascode current mirrors. The designed op-amp consists of two stages. While the telescopic first stage provides high speed and low swing, the second stage provides high gain and large swing. Common-mode feedback circuits (CMFB), which contain five transistors OTA and sensing resistors, are used to set the first-stage output to a known value. The designed two-stage telescopic operational amplifier has 41.04[Formula: see text]dB lower frequency gain, 1.81[Formula: see text]GHz gain-bandwidth product (GBW) and 51.9<jats:sup>\u2218<\/jats:sup> phase margin under 5[Formula: see text]pF load capacitance. The design consumes a total current of 11.9[Formula: see text]mA from a 1.2-V supply voltage. Presented fully differential two-stage telescopic op-amp by using low-voltage design techniques is suitable for active filter in vehicle-to-everything (V2X) applications with 120[Formula: see text][Formula: see text]m[Formula: see text]m layout area. <\/jats:p>","DOI":"10.1142\/s0218126622500955","type":"journal-article","created":{"date-parts":[[2021,11,25]],"date-time":"2021-11-25T06:20:31Z","timestamp":1637821231000},"source":"Crossref","is-referenced-by-count":2,"title":["A High-Speed Fully Differential Telescopic Op-Amp for Active Filter Designs in V2X Applications"],"prefix":"10.1142","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2171-6505","authenticated-orcid":false,"given":"Furkan","family":"Barin","sequence":"first","affiliation":[{"name":"T\u00dcB\u0130TAK-Informatics and Information Security Research Center, 41470, Gebze, Kocaeli, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ertan","family":"Zencir","sequence":"additional","affiliation":[{"name":"Department of Electrical & Electronics Engineering, University of Turkish Aeronautical Association, 06790, Etimesgut, Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2021,11,24]]},"reference":[{"key":"S0218126622500955BIB001","unstructured":"GSA,  Automotive - Cellular-V2X Ecosystem (GSA,  2020), pp. 1\u20135."},{"key":"S0218126622500955BIB002","doi-asserted-by":"publisher","DOI":"10.1109\/ESSCIR.2004.1356662"},{"key":"S0218126622500955BIB003","first-page":"182","volume-title":"12th Int.l Symp. 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