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About: Butterworth Filters

Module by: Richard Baraniuk

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Name: Butterworth Filters
ID: m10127
Language: English (en)
Summary: Describes the design of analog lowpass Butterworth filters.
Subject: Science and Technology
Keywords: Butterworth filter, lowpass, signals, systems
Document Type: -//CNX//DTD CNXML 0.5 plus MathML//EN
License: Creative Commons Attribution License (CC-BY 1.0)
Authors: Richard Baraniuk (richb@rice.edu)
Copyright Holders: Richard Baraniuk (richb@rice.edu)
Maintainers: Justin Romberg (jrom@ece.gatech.edu), Richard Baraniuk (richb@rice.edu), Michael Haag (mjhaag@gmail.com), Harika Basana (ilsai@rice.edu)
Version: 2.10 (history)
Created: Jun 21, 2001 12:00 am GMT-5
Revised: Jul 18, 2005 10:11 am GMT-5

Version History

Version: 2.10 Jul 18, 2005 10:11 am GMT-5 by Richard Baraniuk
Changes: 
resized figures and added links
Version: 2.9 Jul 14, 2005 8:30 pm GMT-5 by Charlet Reedstrom
Changes: 
update to cnxml-0.5
Version: 2.8 Feb 3, 2005 10:51 pm US/Central by Richard Baraniuk
Changes: 
added first pictures...
Version: 2.7 Jun 14, 2002 12:00 am GMT-5 by (Unknown)
Changes: 
converted module to cnxml-0.4, changed markup of negative numbers, movered msub, and attributes on table, removed hardcoded figure number in reference (changed to cnxn)
Version: 2.6 Nov 28, 2001 12:00 am US/Central by (Unknown)
Changes: 
updated some presentation mathml
Version: 2.5 Nov 26, 2001 12:00 am US/Central by (Unknown)
Changes: 
converted module to cnxml 0.3.5 and updated table tags
Version: 2.4 Nov 20, 2001 12:00 am US/Central by Brent Hendricks
Changes: 
Reverted to CNXML0.3 until tables are converted :(
Version: 2.3 Nov 20, 2001 12:00 am US/Central by Brent Hendricks
Changes: 
Updated to CNXML 0.3.5
Version: 2.2 Jul 20, 2001 12:00 am GMT-5 by (Unknown)
Changes: 
Added jrom as maintainer in database
Version: 2.1 Jun 21, 2001 12:00 am GMT-5 by (Unknown)
Changes: 
Initial conversion from 0.1
Version: 2.0 Jun 21, 2001 12:00 am GMT-5 by (Unknown)
Changes: 
Added initial template for new module m10127

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How to Cite and Attribute This Content

The following citation styles comply with the attribution requirements for the license (CC-BY 1.0) of this work:

American Chemical Society (ACS) Style Guide:

Baraniuk, R. Butterworth Filters, Connexions Web site. http://cnx.org/content/m10127/2.10/, Jul 18, 2005.

American Medical Assocation (AMA) Manual of Style:

Baraniuk R. Butterworth Filters [Connexions Web site]. July 18, 2005. Available at: http://cnx.org/content/m10127/2.10/.

American Psychological Assocation (APA) Publication Manual:

Baraniuk, R. (2005, July 18). Butterworth Filters. Retrieved from the Connexions Web site: http://cnx.org/content/m10127/2.10/

Chicago Manual of Style (Bibliography):

Baraniuk, Richard. "Butterworth Filters." Connexions. July 18, 2005. http://cnx.org/content/m10127/2.10/.

Chicago Manual of Style (Note):

Richard Baraniuk, "Butterworth Filters," Connexions, July 18, 2005, http://cnx.org/content/m10127/2.10/.

Chicago Manual of Style (Reference, in Author-Date style):

Baraniuk, R. 2005. Butterworth Filters. Connexions, July 18, 2005. http://cnx.org/content/m10127/2.10/.

Modern Languages Association (MLA) Style Manual:

Baraniuk, Richard. Butterworth Filters. Connexions. 18 July 2005 <http://cnx.org/content/m10127/2.10/>.