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  4. Low-Power and Widely-Tunable Linearized Biquadratic Low-Pass Transconductor-C Filter
 
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research article

Low-Power and Widely-Tunable Linearized Biquadratic Low-Pass Transconductor-C Filter

Tajalli, Armin  
•
Leblebici, Yusuf  
2011
IEEE Transactions on Circuits and Systems Part 2 Express Briefs

A sixth-order low-pass $g_m$-C filter with a very wide tuning range ($f_c$ = 100 Hz to 10 MHz) is presented. The wide tuning range has been achieved without using switchable components or programmable building blocks. A single stage folded-cascode transconductor is employed to implement the proposed filter. A modified biquadratic topology is introduced to improve the linearity performance of the filter over its tuning range. The power consumption of the filter scales linearly with the cutoff frequency (60 pW/Hz/pole). Implemented in 0.18 $\mu$m CMOS technology, the filter exhibits a relatively constant noise and linearity performance over its entire tuning range and occupies 0.16 mm$^2$ (0.027 mm$^2$/pole) silicon area.

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Type
research article
DOI
10.1109/TCSII.2011.2111530
Web of Science ID

WOS:000288457200007

Author(s)
Tajalli, Armin  
•
Leblebici, Yusuf  
Date Issued

2011

Publisher

Institute of Electrical and Electronics Engineers

Published in
IEEE Transactions on Circuits and Systems Part 2 Express Briefs
Volume

58

Issue

3

Start page

159

End page

163

Subjects

Analog integrated circuits

•

CMOS integrated circuits

•

Continuous-time filters

•

gm-C filters

•

transconductance-C filters

•

wide tuning range filter

•

biquadratic filters

•

Dynamic range

•

Noise

Peer reviewed

REVIEWED

Written at

EPFL

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Available on Infoscience
January 16, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/63018
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