Title :
900 MHz/1.8 GHz thin-film microwave bandpass filter
Author :
Yu, Ming-Jie ; Wu, Han-Hau ; Chan, Yi-Jen
Author_Institution :
Dept. of Electr. Eng., Nat. Central Univ., Chung-Li, Taiwan
Abstract :
900 MHz and 1.8 GHz microwave thin-film bandpass filters on Al2O3 substrates are designed, fabricated and characterized. Based on the high-Q values of passive components, spiral inductors and MIM capacitors for example, a low insertion loss of thin-film bandpass filter can be realized with a minimized chip area. The insertion loss was 3 dB for a 1.8 GHz filter, and was 5 dB for a 900 MHz filter
Keywords :
band-pass filters; microwave filters; thin film circuits; 1.8 GHz; 3 dB; 5 dB; 900 MHz; Al2O3; Al2O3 substrate; MIM capacitor; Q-factor; insertion loss; microwave thin film bandpass filter; passive component; spiral inductor; Band pass filters; Frequency; Insertion loss; MIM capacitors; Scattering parameters; Spirals; Substrates; Thin film circuits; Thin film inductors; Transistors;
Conference_Titel :
Microwave Conference, 1999 Asia Pacific
Print_ISBN :
0-7803-5761-2
DOI :
10.1109/APMC.1999.833684
