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Active Filters

Electronic Filters
Real-world signals contain wanted and unwanted information. Therefore, some kind
of electronic filtering technique must separate the two before processing and ...

RF Cafe - Engineering Software
Shareware, freeware and commercial applications for electrical and electronic
engineering. Categories include circuit simulators, system simulators; antenna, ...

electronics tutorials
Basic electronics tutorials on circuits and components, filters, oscillators and
other applications.

Precision Filters — Home
Suppliers of electronic filters, signal conditioning, signal switching, and data
acquisition products.

Kemo Limited Electronic Filters
Kemo produce a wide range of electronic signal filters, from simple filter modules
to complex computer controlled multi-channel systems with gain.

Hobby Circuits, The Hobby Corner, Imagineering On-line Magazine
Hundreds of useful, simple circuits; easy to build and easy to undestand.

INFILTEC: How to Build an Inexpensive Seismometer - make ...
Detailed instructions with links.

Butterworth Low-Pass Filter
Design of a 5th order Butterworth LP filter using Sallen-Key circuit design.

Bowden's Hobby Circuits
Site includes over 100 circuit diagrams, links to related sites, commercial kits
and projects, newsgroups and educational areas.

On-Line Tutorials
Mixers, Directional Couplers, Bartlett's Bisection Theorem, Constant Current
Sources, and Phase-Locked Loop.

Steve Ekblad's Free Audio Software and On-Line Enclosure Design
A variety of acoustics related software tools geared toward the do-it-yourself
experimenter.

Filter Solutions, Analog and Digital Filter Design Software
Developed by Nuhertz Technologies, Filter Solutions is an analog and digital
filter design and analysis package for PC windows. Evaluation version available for ...

Abstract:
Shows design procedure and implementation of an active band-pass filter.

STEWARD & SONS, publisher, distributor, and seller of DSP & filter ...
Offers DSP books (FIR, IIR, recursive, nonrecursive, adaptive, estimation,
detection), and Filter books (Butterworth, Bessel, nomographs, lowpass, highpass, ...

Snippets.Org main page
A collection of functions, macros, and complete programs to accomplish a variety
of common tasks and demonstrate useful C/C++ programming techniques.

Spam My Gmail 2.0
An active experiment to find out how well Gmail's spam filters work, or, from
another point of view, how long it takes for unfiltered spam to stuff a 1 gigabyte ...

Active Email Monitor - check email, filter spam and clear viruses ...
Check multiple accounts for new email and protect them from virus and Spam also
enables you to create message filters. [Win 95/98/Me/NT/2000]

Bourns: Reliable Electronic Solutions
Manufacturer of a wide range of passive devices, including resistors, dials,
encoders, inductors, potentiometers, contacts, fuses, and switches.

KR Electronics LC Filters
Designs and manufactures precision filters from dc to 3 GHz.

Mike Hill's Resume
Phoenix, AZ USA EE PhD. RF / microwave / analog / digital circuit design, cCircuit
board layout, 802.11 wireless LAN.

 

 

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