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New tutorial for engineering students: Electronics Circuit Principles and Design  
General System Troubleshooting  Meter Math Site  
                      Our most comprehensive free e-book Electronic Concepts New (Oct 2006)
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Active Filters

Click R21 and read "What are Active Filters? " Design Guide  available for download. 

Click R19 and read about filters.

The animation below shows the effect of varying C1 and C2 from .001 uf to .1uf on the frequency response of the Active Low Pass Filter.

To Trouble Shoot Active Filter, Click Here!

New!   If you like this type of training, I recommend that you get my latest free e-book Electronic Concepts .

 The key element of the Virtual Electronics Teaching system is our free e-book: Electronic Concepts. This e-book teaches electronics by explaining the operation of a variety of circuits.  It covers basic networks, transistors, regulated power supplies and much more.  Electronic Concepts is a hybrid e-book.  Our hybrid e-books are meant to be read while viewing an Internet slideshow using our Internet Slide Show Control Matrix.   Electronic Concepts can be downloaded from the Slide Show Control Matrix page in zipped PDF format. [ Go there! ] Download and print book.  Read book while