Affiliation:
1. Novosibirsk State Technical University
Abstract
The paper considers the implementation of tunable band-stop resonators and filters manufactured on a microstrip with a defective base. The restructuring of the band-stop resonators and filters is proposed to be carried out using varactors and trimmers. Experimental and calculated data on the electrical characteristics of the band-stop resonators and filters in the tuning range are given. According to the comparison of the experimental and calculated tuning characteristics of the amplitude-frequency characteristics of the band-stop resonators and filters, it is noted that the notch band for two-and three-cavity filters based on a microstrip with a defective base varies quite strongly in the tuning range. The presented materials allow to carry out a preliminary assessment of the tuning properties of a relatively new class of inexpensive frequency filters and resonators.