HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Blogs
Blog
An Introduction to Filters
4/1/2013

A basic RC low-pass filter (top), an RC filter with an op-amp buffer (middle), and a Sallen-Key low-pass filter (bottom).
A basic RC low-pass filter (top), an RC filter with an op-amp buffer (middle),
and a Sallen-Key low-pass filter (bottom).

Return to Article

View Comments: Newest First|Oldest First|Threaded View
Cabe Atwell
User Rank
Blogger
Re: Better Components
Cabe Atwell   4/2/2013 11:40:34 PM
NO RATINGS
I love the online calculators and designer for electronics. Build upon the shoulders of those who came before us, don't "discover" filters on your own.

C

tekochip
User Rank
Platinum
Better Components
tekochip   4/1/2013 11:20:32 PM
NO RATINGS
Thanks Jon, it was fun to see that the reference for the article was a Sams book from 1977. Back then one of the toughest design issues was how expensive, or difficult it was to obtain precision capacitor values. We use the same circuits today and don't think twice about buying 5% capacitors.


Partner Zone
More Blogs
Two researchers from Cornell University have won a $100,000 grant from NASA to continue work to develop an energy-harvesting robotic eel the space agency aims to use to explore oceans on one of the moons of Jupiter.
Is the factory smarter than it used to be? From recent buzzwords, you’d think we’ve entered a new dimension in industrial plants, where robots run all physical functions wirelessly and humans do little more than program ever more capable robotics. Some of that is actually true, but it’s been true for a while.
This is the story of a robotic ball clever enough to inspire the team behind the new Star Wars film.
Manufacturers have to manage a wide range of data, and unstructured data -- from PDFs to video files -- has become a big challenge as the new world of Big Data emerges.
Answer this question, and more, during Design News’ Focus on Fundamentals course -- From Rapid Prototyping to Quick-Turn Production: A User’s Guide -- June 2-4. Sponsored by Proto Labs.
Design News Webinar Series
5/21/2015 11:00 a.m. California / 2:00 p.m. New York
5/7/2015 11:00 a.m. California / 2:00 p.m. New York
6/3/2015 8:00 a.m. California / 11:00 a.m. New York
6/11/2015 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Jun 8 - 12, Everything You Ever Wanted to Know about Filters
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Next Course June 2nd-4th:
Sponsored by Proto Labs
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2015 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service