An Adaptive Quality-Factor Bandpass Filter

In this paper, we propose a novel bandpass filter design that incorporates automatic gain control (AGC). The gain control in the filter reduces the performance requirements of a wide-band AGC, and allows for low-power multichannel compression. The filter achieves up to 15 dB of compression on a 65 d...

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Published in2007 IEEE International Symposium on Circuits and Systems (ISCAS) pp. 3295 - 3298
Main Authors Odame, Kofi M., Hasler, Paul
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2007
Subjects
Auditory system
Band pass filters
Channel bank filters
Deafness
Dynamic range
Frequency
Gain control
Power harmonic filters
Q factor
Transconductance
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Abstract In this paper, we propose a novel bandpass filter design that incorporates automatic gain control (AGC). The gain control in the filter reduces the performance requirements of a wide-band AGC, and allows for low-power multichannel compression. The filter achieves up to 15 dB of compression on a 65 dB input dynamic range and is tunable over the audio frequency range, with μ W power consumption and < 5% harmonic distortion.
AbstractList In this paper, we propose a novel bandpass filter design that incorporates automatic gain control (AGC). The gain control in the filter reduces the performance requirements of a wide-band AGC, and allows for low-power multichannel compression. The filter achieves up to 15 dB of compression on a 65 dB input dynamic range and is tunable over the audio frequency range, with μ W power consumption and < 5% harmonic distortion.
Author Odame, Kofi M.
Hasler, Paul
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  givenname: Paul
  surname: Hasler
  fullname: Hasler, Paul
  organization: School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
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Snippet In this paper, we propose a novel bandpass filter design that incorporates automatic gain control (AGC). The gain control in the filter reduces the performance...
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StartPage 3295
SubjectTerms Auditory system
Band pass filters
Channel bank filters
Deafness
Dynamic range
Frequency
Gain control
Power harmonic filters
Q factor
Transconductance
Title An Adaptive Quality-Factor Bandpass Filter
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