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
In a speech at China's National People’s Congress in Beijing this month, Premier Li Keqiang laid out plans to revamp the country's manufacturing infrastructure with advanced technology.
How far is today's diesel fuel removed from the black cloud your childhood school bus emitted? What makes “clean diesel” more than just promotional rhetoric?
Active data management within the smart oil field is resulting in a push for more open standards, vendor cooperation, and wireless networking solutions.
3D printing is agonizingly slow, but a new technology inspired by the movie Terminator 2 is going to get additive manufacturing up to speed.
New applications are appearing that are designed to help the design engineer improve efficiency and enhance speed-to-market.
Design News Webinar Series
2/25/2015 11:00 a.m. California / 2:00 p.m. New York
12/11/2014 8:00 a.m. California / 11:00 a.m. New York
12/10/2014 8:00 a.m. California / 11:00 a.m. New York
3/31/2015 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.
Mar 30 - Apr3, Getting Hands-On with Cypress’ PSoC
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  67


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.
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