A 0.18μm CMOS 9mW current-mode FLF linear phase filter with gain boost

Author

Zhu, Xi ; Sun, Yichuang ; Moritz, James

Author_Institution

Univ. of Hertfordshire, Hatfield

fYear

2007

fDate

5-8 Aug. 2007

Firstpage

1517

Lastpage

1520

Abstract

The design and implementation of a CMOS continuous-time follow-the-leader-feedback (FLF) filter is described. The filter is implemented using a fully-differential linear, low voltage and low power consumption operational transconductance amplifier (OTA) based on a source degeneration topology. PSpice simulations using a standard TSMC 0.18 mum CMOS process with 2 V power supply have shown that the cut-off frequency of the filter ranges from 55 MHz to 160 MHz and dynamic range is about 45 dB. The group delay is less than 5% over the whole tuning range; the power consumption is only 9 mW.

Keywords

CMOS integrated circuits; filters; operational amplifiers; CMOS current-mode FLF filter; follow-the-leader-feedback filter; frequency 55 MHz to 160 MHz; linear phase filter; operational transconductance amplifier; power 9 mW; size 0.18 mum; standard TSMC CMOS process; voltage 2 V; CMOS process; Cutoff frequency; Dynamic range; Energy consumption; Low voltage; Nonlinear filters; Operational amplifiers; Power supplies; Topology; Transconductance;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on

Conference_Location

Montreal, Que.

ISSN

1548-3746

Print_ISBN

978-1-4244-1175-7

Electronic_ISBN

1548-3746

Type

conf

DOI

10.1109/MWSCAS.2007.4488828

Filename

4488828