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
Former DARPA official and Google executive Dr. Kaigham Gabriel believes sensor companies think too much like suppliers and need to bring their products closer to the consumer.
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicleís parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but thatís just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Engineers at Festo were inspired by how a caterpillar builds its cocoon when designing its new 3D Cocooner printer.
A look at how five different companies have introduced design apps that make the process of moving a product from design concept through manufacturing more efficient.
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7 | 8 | 9


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 28-30:
Sponsored by Proto Labs
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Technology Marketplace

Copyright © 2016 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service