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http://hdl.handle.net/20.500.12188/31431| Title: | Tunable high-Q resonator by general impedance converter | Authors: | Mifune, Toshiro Mishonov, Todor M. Serafimov, Nikola S. Dimitrova, Iglika M. Popeski-Dimovski, Riste Velkoska, Leonora Petkov, Emil G. Varonov, Albert M. Barone, Alberto |
Issue Date: | 1-Feb-2021 | Publisher: | AIP Publishing | Journal: | Review of Scientific Instruments | Abstract: | <jats:p>A tunable high-Q resonator is performed in the schematics of the General Impedance Converter (GIC). In the framework of frequency dependent open-loop gain of operational amplifiers, a general formula of the frequency dependence of the impedance of GIC is derived. The explicit formulas for the resonance frequency and Q-factor include as an immanent parameter the crossover frequency of the operational amplifier. Voltage measurements of GIC with a lock-in amplifier perfectly agree with the derived formulas.</jats:p> | URI: | http://hdl.handle.net/20.500.12188/31431 | DOI: | 10.1063/5.0041136 |
| Appears in Collections: | Faculty of Natural Sciences and Mathematics, Institute of Physics: Journal Articles |
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