DocumentCode :
669842
Title :
Design of a floating-type impedance scaling circuit for large capacitances
Author :
Matsumoto, Fujihiko ; Fujii, Teruya ; Nishioka, Syuzo ; Abe, Takashi ; Ohbuchi, Takeshi
Author_Institution :
Dept. of Appl. Phys., Nat. Defense Acad., Yokosuka, Japan
fYear :
2013
fDate :
12-15 Nov. 2013
Firstpage :
391
Lastpage :
396
Abstract :
Impedance scaling technique is known as a method to reduce chip area of large capacitances for low frequency integrated filters. The conventional technique realizes only grounded low impedance components. This paper proposes a construction of a floating-type impedance scaling circuit. The proposed circuit can be applied to various low frequency analog circuits. The validity of the proposed circuit is confirmed by simulation of a biquad filter employing the proposed circuit.
Keywords :
analogue integrated circuits; band-pass filters; biquadratic filters; differential amplifiers; scaling circuits; biquad filter; floating type impedance scaling circuit; grounded low impedance components; large capacitances; low frequency analog circuits; low frequency integrated filters; Band-pass filters; Capacitance; Capacitors; Impedance; Integrated circuit modeling; Resistance; Transistors;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Intelligent Signal Processing and Communications Systems (ISPACS), 2013 International Symposium on
Conference_Location :
Naha
Print_ISBN :
978-1-4673-6360-0
Type :
conf
DOI :
10.1109/ISPACS.2013.6704581
Filename :
6704581
Link To Document :
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