Title :
A Ka-band cavity bandpass filter using LTCC technology
Author :
Quan, Cheng ; Xu, Ziqiang ; Li, Tian ; Tang, Wei ; Zeng, Zhiyi
Author_Institution :
Res. Inst. of Electron. Sci. & Technol., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
This paper presents a simple way to design a bandpass LTCC (Low Temperature Co-fired Ceramic) cavity filter, which has microstrips as I/O ports and via fenses as side walls. This filter works in the Ka-band, and exhibits an insertion loss of 1.5 dB at the center frequency of 35.85 GHz, a rejection more than 20 dB over the passband, a 3-dB bandwidth about 0.5 GHz and in the lower band of 33-34 GHz, the stopband suppression of 60-81 dB is achieved. Besides of the perfect performance, this filter is easy to be integrated to millimetre-wave systems.
Keywords :
band-pass filters; cavity resonator filters; ceramic packaging; microstrip filters; microwave filters; millimetre wave filters; Ka-band cavity bandpass filter; LTCC technology; bandwidth 0.5 GHz; bandwidth 33 GHz to 34 GHz; frequency 35.85 GHz; low temperature co-fired ceramic cavity resonator filter; microstrips; millimetre-wave systems; Band pass filters; Cavity resonators; Ceramics; Dielectric substrates; Frequency; Microstrip filters; Microwave filters; Paper technology; Resonator filters; Temperature; Ka-band; LTCC; bandpass; cavity filter; integration; millimetre-wave system;
Conference_Titel :
Applied Superconductivity and Electromagnetic Devices, 2009. ASEMD 2009. International Conference on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-3686-6
Electronic_ISBN :
978-1-4244-3687-3
DOI :
10.1109/ASEMD.2009.5306638
