Özdemir, Pınar Öztürk; Öztürk, Ali; Görür, Ali Kürşad; Karpuz, Ceyhun; Görür, Adnan
(Institute of Electrical and Electronics Engineers Inc., 2019)
In this paper, a novel microstrip balun bandpass filter with tunable center frequency is presented. The proposed structure is constructed by open loop resonators having varactor diodes. The varactor diodes are used to tune ...