{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T05:38:03Z","timestamp":1740116283582,"version":"3.37.3"},"reference-count":37,"publisher":"World Scientific Pub Co Pte Ltd","issue":"03","funder":[{"name":"National Sustainability Program","award":["LO1401"],"award-info":[{"award-number":["LO1401"]}]},{"DOI":"10.13039\/501100001824","name":"Czech Science Foundation","doi-asserted-by":"crossref","award":["14-24186P"],"award-info":[{"award-number":["14-24186P"]}],"id":[{"id":"10.13039\/501100001824","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J CIRCUIT SYST COMP"],"published-print":{"date-parts":[[2017,3]]},"abstract":"<jats:p> Presented work deals with applications of the single [Formula: see text]-copy controlled-gain voltage differencing current conveyor (ZC-CG-VDCC) in single purpose and multifunctional biquadratic voltage- and current-mode active resistor-less filters. Electronically adjustable features of the active device (intrinsic current input resistance [Formula: see text], current gain [Formula: see text] and transconductance [Formula: see text]) are controlled by DC bias current. These mentioned adjustable features allow interesting possibilities of control of the pole frequency and quality factor. Four voltage-mode solutions realizing low-pass, band-pass, high-pass and band-reject filtering solutions were designed together with two current-mode filters. The current-mode solutions have curious multifunctional capability based on full utilization of electronically controllable parameters of the ZC-CG-VDCC. Two adjustable parameters of the ZC-CG-VDCC (intrinsic current input resistance and transconductance) are used for electronic setting of features of the filter (pole frequency, quality factor, tuning). Control of the third adjustable parameter (current gain) causes reconnection-less change of the transfer function between iAP (inverting all-pass response) and iBR (inverting band-reject responses). Simulation results in PSPICE and Cadence CDS 6 are used to show characteristics of the proposed circuits. <\/jats:p>","DOI":"10.1142\/s0218126617500505","type":"journal-article","created":{"date-parts":[[2016,10,7]],"date-time":"2016-10-07T02:15:14Z","timestamp":1475806514000},"page":"1750050","source":"Crossref","is-referenced-by-count":2,"title":["Resistor-Less Single-Purpose or Reconfigurable Biquads Utilizing Single <i>z<\/i>-Copy Controlled-Gain Voltage Differencing Current Conveyor"],"prefix":"10.1142","volume":"26","author":[{"given":"Jan","family":"Jerabek","sequence":"first","affiliation":[{"name":"Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, Brno 616 00, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roman","family":"Sotner","sequence":"additional","affiliation":[{"name":"Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, Brno 616 00, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Josef","family":"Polak","sequence":"additional","affiliation":[{"name":"Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, Brno 616 00, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lukas","family":"Langhammer","sequence":"additional","affiliation":[{"name":"Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, Brno 616 00, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Norbert","family":"Herencsar","sequence":"additional","affiliation":[{"name":"Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, Brno 616 00, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roman","family":"Prokop","sequence":"additional","affiliation":[{"name":"Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, Brno 616 00, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kamil","family":"Vrba","sequence":"additional","affiliation":[{"name":"Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, Brno 616 00, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2016,11,21]]},"reference":[{"volume-title":"CMOS Circuit Design, Layout and Simulation","year":"2005","author":"Baker J.","key":"S0218126617500505BIB001"},{"key":"S0218126617500505BIB002","doi-asserted-by":"publisher","DOI":"10.1007\/s00202-006-0051-1"},{"key":"S0218126617500505BIB003","doi-asserted-by":"publisher","DOI":"10.1007\/s00202-004-0289-4"},{"key":"S0218126617500505BIB004","first-page":"15","volume":"17","author":"Biolek D.","year":"2008","journal-title":"Radioengineering"},{"key":"S0218126617500505BIB005","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.1967.1049798"},{"key":"S0218126617500505BIB007","doi-asserted-by":"publisher","DOI":"10.1080\/08827510412331295009"},{"key":"S0218126617500505BIB008","doi-asserted-by":"publisher","DOI":"10.1515\/FREQ.2006.60.3-4.53"},{"key":"S0218126617500505BIB009","doi-asserted-by":"publisher","DOI":"10.1007\/s10470-008-9228-z"},{"key":"S0218126617500505BIB010","doi-asserted-by":"publisher","DOI":"10.1049\/el:19991487"},{"key":"S0218126617500505BIB011","doi-asserted-by":"publisher","DOI":"10.1016\/j.aeue.2005.05.015"},{"key":"S0218126617500505BIB012","doi-asserted-by":"publisher","DOI":"10.1109\/TCSII.2007.914909"},{"key":"S0218126617500505BIB013","first-page":"83","volume":"18","author":"Wang C.","year":"2009","journal-title":"Radioengineering"},{"key":"S0218126617500505BIB014","doi-asserted-by":"publisher","DOI":"10.1080\/00207210601099365"},{"key":"S0218126617500505BIB015","doi-asserted-by":"publisher","DOI":"10.1109\/TCT.1970.1083067"},{"key":"S0218126617500505BIB016","doi-asserted-by":"publisher","DOI":"10.1109\/81.486430"},{"key":"S0218126617500505BIB018","doi-asserted-by":"publisher","DOI":"10.1016\/j.aeue.2005.09.003"},{"key":"S0218126617500505BIB019","first-page":"300","volume":"18","author":"Lahiri A.","year":"2009","journal-title":"Radioengineering"},{"key":"S0218126617500505BIB021","doi-asserted-by":"publisher","DOI":"10.1007\/s00202-007-0095-x"},{"key":"S0218126617500505BIB023","first-page":"739","volume":"60","author":"Malcher A.","year":"2013","journal-title":"Bull. 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