OpenStax CNX

You are here: Home » Content » Phase Detectors

About: Phase Detectors

Module by: Christopher Schmitz. E-mail the author

View the content: Phase Detectors


Name: Phase Detectors
ID: m14493
Language: English (en)
Summary: This module presents an overview of Phase Detectors for use in Phase-Locked Loops.
Subject: Science and Technology
Keywords: PD, Phase Detector, Phase-Locked Loop, PLL
License: Creative Commons Attribution License CC-BY 2.0

Authors: Christopher Schmitz (
Copyright Holders: Christopher Schmitz (
Maintainers: Christopher Schmitz (

Latest version: 1.7 (history)
First publication date: Feb 27, 2007 1:20 pm -0600
Last revision to module: Feb 23, 2010 5:16 pm -0600


PDF: m14493_1.7.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m14493_1.7.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.

Version History

Version: 1.7 Feb 23, 2010 5:16 pm -0600 by Christopher Schmitz
cleaned it up a little.

Version: 1.6 Feb 19, 2010 12:18 pm -0600 by Christopher Schmitz
Clean up after long hiatus.

Version: 1.5 Feb 22, 2009 10:12 pm -0600 by Christopher Schmitz
added MathType equation.

Version: 1.4 Feb 21, 2009 3:30 pm -0600 by Christopher Schmitz
Added Complex-baseband discussion.

Version: 1.3 Feb 4, 2008 5:01 pm -0600 by Christopher Schmitz
Small clarifications only, fixed a figure.

Version: 1.2 May 7, 2007 12:53 pm -0500 by Christopher Schmitz
Moved (case sensitive) *.png figures to local server.  Attempting publication after "merge" error.

Version: 1.1 May 3, 2007 2:16 pm -0500 by Christopher Schmitz
First published.

How to Reuse and Attribute This Content

If you derive a copy of this content using a OpenStax-CNX account and publish your version, proper attribution of the original work will be automatically done for you.

If you reuse this work elsewhere, in order to comply with the attribution requirements of the license (CC-BY 2.0), you must include

  • the authors' names: Christopher Schmitz
  • the title of the work: Phase Detectors
  • the OpenStax-CNX URL where the work can be found:

See the citation section below for examples you can copy.

How to Cite and Attribute This Content

The following citation styles comply with the attribution requirements for the license (CC-BY 2.0) of this work:

American Chemical Society (ACS) Style Guide:

Schmitz, C. Phase Detectors, OpenStax-CNX Web site., Feb 23, 2010.

American Medical Assocation (AMA) Manual of Style:

Schmitz C. Phase Detectors [OpenStax-CNX Web site]. February 23, 2010. Available at:

American Psychological Assocation (APA) Publication Manual:

Schmitz, C. (2010, February 23). Phase Detectors. Retrieved from the OpenStax-CNX Web site:

Chicago Manual of Style (Bibliography):

Schmitz, Christopher. "Phase Detectors." OpenStax-CNX. February 23, 2010.

Chicago Manual of Style (Note):

Christopher Schmitz, "Phase Detectors," OpenStax-CNX, February 23, 2010,

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

Schmitz, C. 2010. Phase Detectors. OpenStax-CNX, February 23, 2010.

Modern Languages Association (MLA) Style Manual:

Schmitz, Christopher. Phase Detectors. OpenStax-CNX. 23 Feb. 2010 <>.