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research article

Power and Area Efficient MOSFET-C Filter for Very Low Frequency Applications

Tajalli, Armin  
•
Leblebici, Yusuf  
2012
Analog Integrated Circuits and Signal Processing

New circuit design techniques for implementing very high-valued resistors are presented, significantly improving power and area efficiency of analog front-end signal processing in ultra-low power (ULP) biomedical systems. Ranging in value from few hundreds of MOhm to few hundreds of GOhm, the proposed floating resistors occupy a very small area, and produce accurately tunable characteristics. Using this approach, a low-pass MOSFET-C filter with tunable cutoff frequency (fC=20 Hz to 184 kHz) has been implemented in a conventional 0.18 um CMOS technology. Occupying 0.045 mm2/pole, the power consumption of this filter is 540 pW/Hz/pole with a measured IMFDR of 70 dB.

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Type
research article
DOI
10.1007/s10470-011-9640-7
Web of Science ID

WOS:000298604100011

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

2012

Publisher

Springer Verlag

Published in
Analog Integrated Circuits and Signal Processing
Volume

70

Start page

123

End page

132

Subjects

MOSFET-C filter

•

Ultra-low-power

•

Subthreshold

•

CMOS

•

Analog circuit design

•

Low-pass filter

•

Continuous-time filter

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSM  
Available on Infoscience
April 2, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/65911
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