Title :
Low-power leapfrog bandpass filter with transmission zeros using integrators and resistor-based addition circuits
Author :
Sato, Hiroki ; Xu, Zhishan ; Retdian, Nicodimus ; Takagi, Shigetaka
Author_Institution :
Dept. of Commun. & Integrated Syst., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
This paper proposes an approach to realize a leapfrog filter with transmission zeros by using OTA-C integrators and resistor-based addition circuit instead of OTAs. This method has advantages of reduced number of active elements and spread of element values. A tenth-order bandpass filter is presented as a design example.
Keywords :
band-pass filters; integrating circuits; low-power electronics; operational amplifiers; resistors; OTA-C integrators; active elements; integrators; low-power leapfrog bandpass filter; resistor-based addition circuits; tenth-order bandpass filter; transmission zeros; Band pass filters; CMOS integrated circuits; Filtering theory; Low pass filters; Power filters; Resistors; Leapfrog filter; element value spread; voltage follower;
Conference_Titel :
Circuit Theory and Design (ECCTD), 2011 20th European Conference on
Conference_Location :
Linkoping
Print_ISBN :
978-1-4577-0617-2
Electronic_ISBN :
978-1-4577-0616-5
DOI :
10.1109/ECCTD.2011.6043365
