A low-voltage CMOS 1-Hz low-pass filter

Author

Ferri, G. ; Pennisi, S. ; Sperandii, S.

Author_Institution

Dipt. di Ingegneria Elettrica, L´´Aquila Univ., Italy

Volume

3

fYear

1999

fDate

1999

Firstpage

1341

Abstract

In this paper, we present a technique for the implementation of low cut-off frequency filters based on the use of a second generation current conveyor (CCII) employed as a capacitive multiplier, whose multiplicative effect has been extended successfully at very low frequencies. A first-order 1-Hz low-pass filter was designed to demonstrate the compatibility of the technique with standard IC technologies. The proposed implementation was simulated in SPICE with a 0.5-μm CMOS Alcatel Mietec technology and uses a supply voltage as low as 1.5 V. A very good agreement with the theoretical results is found

Keywords

CMOS analogue integrated circuits; active filters; current conveyors; low-pass filters; low-power electronics; 0.5 micron; 1 Hz; 1.5 V; Alcatel Mietec technology; CCII; CMOS low-pass filter; capacitive multiplier; first-order filter; low cutoff frequency filters; low-voltage CMOS filter; second generation current conveyor; CMOS technology; Capacitors; Cutoff frequency; Immune system; Impedance; Low pass filters; Low voltage; Mirrors; Parasitic capacitance; Silicon;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronics, Circuits and Systems, 1999. Proceedings of ICECS '99. The 6th IEEE International Conference on

Conference_Location

Pafos

Print_ISBN

0-7803-5682-9

Type

conf

DOI

10.1109/ICECS.1999.814417

Filename

814417