Title :
Electromechanically tunable filter with impedance step
Author :
Shmygin, D. ; Pashkov, V. ; Poplavko, Y. ; Yeremenko, A. ; Jeong, M. ; Baik, S.
Author_Institution :
Nat. Tech. Univ. of Ukraine
Abstract :
New principle of microstrip resonator and filter tuning is developed and studied. Realized idea is the operation by substrate effective dielectric constant (epsiveff) piezo-controlling. Narrow air gap (Delta) is created between substrate and ground electrode, and the piezoelectric plate controls its size. The changing of epsiveff(Delta) leads to the variation of filter resonant frequency
Keywords :
electric impedance; electromechanical filters; microstrip filters; microstrip resonators; permittivity; piezoelectric devices; dielectric constant piezo-controlling; electromechanically tunable filter; filter tuning; ground electrode; impedance step; microstrip resonator; piezoelectric plate; resonant frequency; substrate; Dielectric constant; Dielectric losses; Dielectric substrates; Electrodes; Impedance; Microstrip components; Microstrip filters; Microstrip resonators; Resonator filters; Telecommunication control;
Conference_Titel :
Microwave & Telecommunication Technology, 2005 15th International Crimean Conference
Conference_Location :
Sevastopol, Crimea
Print_ISBN :
966-7968-80-4
DOI :
10.1109/CRMICO.2005.1565018
