IMPROVED TUNABLE DUAL-BAND BAND-PASS FILTER

• Main Authors: YASUO SATO, KAZUHITO KISHIDA, NAOTO SEKIYA, NORITAKA KITADA, KATSUHIRO TERAO
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2016
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE; WAVEGUIDES

To provide a tunable dual-band resonator capable of independently tuning the center frequency, and a tunable dual-band band-pass filter using the resonator. A dual-band resonator is structured such that a stub 11 is added to each half-wavelength resonator 10 provided with half-wavelength resonator protrusions (capacity-component adjust parts) 10-a, 10-b. A tunable dual-band resonator capable of tuning resonance frequencies in an even-number mode and an odd-number mode independently is configured by providing a dielectric rod circular in cross section in the space above the half-wavelength resonator protrusions (capacity-component adjust parts) 10-a, 10-b. Each half-wavelength resonator 10 is formed of one thin strip conductor with a deeply retreated groove having a width g. A tunable dual-band band-pass filter is configured by arranging a plurality of the tunable dual-band resonators. 本发明提供种可调谐双频带谐振器和使用该可调谐双频带谐振器的可调谐双频带带通滤波器。种构造为使短截线被增加到每个设置有半波长谐振器突起部(容量分量调整部)的半波长谐振器的双频带谐振器。该双频带谐振器由包括设置在介电体的背表面上的接地导体和设置在其上表面上