EE Software Links
Other sites for electrical engineering shareware
Symbolic Circuit Simulation from circuit-magic.com
The Engineers' Club
Impressive site by John Wethrell
RF and Wireless Design Center
Company Shareware Listing
Starmark's Electronic Related Links
Delaware Tech's Software
Devry's IEEE Student
Chapter Favorite Links
Electrical Engineering Page
Commercial software for electrical engineering
Capilano Computing Excellent schematic capture and simulation software for Mac and Windows
AADE Filter Design and Analysis
Eagleware Home Page
Adddresses and Software Descriptions
ALK Engineering (S/Filsyn)
HP's EEsof, Touchstone,
Mini-NEC Antenna Design
PCBexpress-Printed Circuit Board, Board Fabrication
Provides prototype circuit board manufacturers, PCB prototype stencils, motherboards, Printed Circuit Board Manufacturers, pcb manufacturer and PCB prototype.
Dusbin Excellent links to other links
4DQ Interesting Circuits
Notre Dame IEEE
Stanford IEEE This page
has some super links to industry and other colleges!!!
Stanford CIS, LabnetSoftware, National Nanofabrication Users Network,
of Illinois IEEE
UT Austin IEEE
Streetman The man, the legend
Tech Web News
Electrical Engineering Circuits Archive
Educational Java Applet
Service- This is a high quality piece of work that anyone studying Solid
State Electronics should be certain to check out! Great Work Prof C.R.
A bunch of Electronics Links
Electronics Info Page
Electronic Kits Page
Robert J. Kelley's Bookmarks (please ignore the non EE links!!!)
Electronics Hobbyist Links
Techstocks.com Information on Si Investments
Electronics Information Online
OPAMP LABS Inc
PCB design software
PC schematic capture, simulation, and more
Predictor signal integrity analyzer
mixed signal simulation
RF, microwave, and analog simulation
Alternative System Concepts
VHDL to Verilog, Verilog to VHDL converters
Advanced Technology Center
Covermeter HDL code coverage tool
Cadence wanna be (is that a good thing???)
Beacon Development Tools
embedded x86 tools
Cascade Design Automation
Formal verification tools
Graphical Netlist Analyzer
GNUpro software development environment
Dynamic Soft Analysis
virtual prototyping software
signal integrity tools
Integrated Engineering Software
electrostatic and thermal tools
pSOS RTOS and tools
Interactive CAD Systems
schematic capture, PCB, autorouter
Interactive Images Technologies
schematic capture, PCB, autorouter
PCB design tools
vhdl/verilog syntax checkers
IC layout tools
chip test development s/w
formal verification tools
Library Technologies, Inc.
ASIC library tools
The Math Works
Monterey Design Systems
IC physical design
DSP for FPGA algorithm tool
Standard Cell libraries
schemtic capture, PCB tools
PCB, schematic tools
Phase Three Logic
schematic capture, PCB layout
Router Solutions, Inc.
interface tools for CAE/CAD/CAM
Synthesis pre-processor for vhdl
Sierra Research and Technology
IC extraction and analysis tools
DSP IP Cores
schematic capture, simulation, framework
IC layout tools
analog/mixed signal simulation tools
Functional Verification Tools
Parts & Vendors
Ultima Interconnect Technology
IC interconnect analysis
schematics. simulation, PCB design
Verilog viewing and debug tools for HDL simulators
Wind River Systems
schematic capture, PCB dsign tools
Educational, Archive and FAQ sites
- The first place to check for project information is this collection
FAQs (Frequently Asked Questions) and other
project information files and links, assembled by Filip Gieszczykiewicz. (This
site has now become a part of
The Sci.Electronics.Repair FAQ site managed by
Samuel Goldwasser , which is also a terrific resource.)
- Read a few pertinent USENET groups: sci.electronics.basic,
- The University of Alberta supports probably the single best electrical
engineering archive site on the Internet.
Check out theircookbook,
and spice model
example. Also, if you are using any kind of Motorola microprocessor the
has a wealth of information and software you won't want to miss. (This
used to be the semi-official Motorola network site, with much
of the material from Motorola's dial-up BBSs.)
- Right up there with Alberta is the EE
project information available from the University of Washington. This
site includes component pinouts, other useful reference material,
links to E.E. information on the 'Net, etc. Explore this site as its operator
is making a good effort to provide lots of electronics material.
- John Adams' nifty
To Electronics , with both beginners and advanced info.
- A really nice, comprehensive EE resource is Sven Rymenants'
- James Schmitz has it all: schematics, software, suppliers,
formulas, FAQs, and more on his
Electronics On Ramp Homepage.
- IEEE student branch at the University of Cincinnati is mirroring some
of the popular
electrical engineering file archives.
- WWW Home Page of the IEEE
Computer Society ,
Technical Committee on Real-Time Systems (IEEE-CS TC-RTS).
- Musical EEs will want to see the good info at
Tube Amp Corner.
- Musical Tube Amplifier info can be read at:
- You can learn about and order the deservedly oft-cited "bible
of electronics design" The
Art of Electronics (Horowitz & Hill) on-line.
and Process Control Home Page.
- Brian Luehrs has a nice Web interface to a microcontroller
listserver and e-mail archive, where one can get valuable info and
advice on using popular micros.
- The Chip Directory and Chip Manufacturers Pages are available at several
sites; please choose the one 'closest' to you. -
North America (USA, California), -
North America (USA, Michigan), -
South America (Brasil), -
Italy, - The Netherlands.
- Dr. Middlebrook's Structured
Analog Design Course " . . . innovative tools for describing and
analyzing analog designs that both save design time and improve design
quality for engineers and their managers."
- Richard Steven Walz has an FTP
site rich with resources.
- Gareth's PIC
- EMIL VLADKOV's homepage
has projects and free software.
- Nico Coesel maintains the Hardware
Web page w/ project and informational links - good stuff.
- Feliks Pinkhusovich's thirst for schematics to build led to his construction of
Circuit Central , very project-oriented.
- Steve Litt has the terrific
page - great resource on troubleshooting.
- Ken Yap has put together a free Small
C development system for the Z80; check the read-me
- Thomas Scherrer has a huge
Official Support Page
for the Z80 CPU.
- More Z80 interfacing info and code is on Don McKenzie's
- Diana Todd has an Web
page with a link to her FTP site, electronic newsgroups, and other
useful EE info.
- Sylvain Bissonnette has a page devoted to 68HC11
- Similarly, see
Viper's HC11 Resource Page.
- John S. Patrick has
the 68hc11 Archive.
- Get the new and updated
ASM11 68HC11 DOS command-line cross-assembler.
"a new excellent freeware Win95
editor/simulator/source-level debugger for the 68HC11"
optical interface to your computer via your monitor is the emphasis for
- Steve Quest has posted
MCS-51 Monitor Code and applications, for the 8031/51 family.
- Craig Steiner offers a
Windows-based shareware Simulator for the 8051 and a
The 8052 Online Resource, home to tons of 8052 stuff.
- Leonhard Schneider provides the motherlode of info on the
ST6 Processor .
- Stewart Atkin has schematics
of guitar effects pedals that he has "cloned".
- Stefan Wieman has much
electro info, apps and other stuff.
- Glen A. Williamsonput lots of intriguing instructional material
on his ECE 480 Home Page and
a LOTof great tutorials at Williamson Labs.
- Bruce Bostwick is posting info on his TinyScope
- Lots of neat, free designs on G. E. Schneider 's
Gerry's Electronics Studio
- Tomi Engdahl's home page
has a buncha good links.
- David Benson is selling the Easy
PIC'n Microcontroller Book.
- R.G. Keen hosts the Guitar
Effects Oriented Web Page
- Grant Searle BSc. has everything you need to know to build your own
Sinclair ZX80 FROM SCRATCH on the
The ZX80/ZX81 hardware page. (Also similar pages on building
a UK101 and
- In a similar vein, Douglas Beattie Jr. has everything you need to know to build a
FAST 65C02 Board and
includes an assembler.
- George Dinwiddie's site
includes a free 8051 monitor.
- Jeff Frohwein's GameBoy
Tech Page has everything one could want for using this game as a development
platform . . .
Oh is archiving resources.
- NEW . . Robert Collins has a terrific
Intel Secrets site that has a lot of significant 80x86 info, including stuff
Intel would prefer were not publicized.
- David I. Baldwin has started an ftp
directory for schematics for simple basic circuits, and also some useful
- Jack A. Orman maintains the niftyDigital Music Zone with schematics
- BASIC-52 Source code and more is available in
- CDH Williams has archived a ClarisDraw Library of symbols for electronic circuit diagrams.
Also has a good on-line course discussing Feedback and Temperature Control .
- WILLIAM J. BEATY has the SCIENCE
HOBBYIST page with Tesla info, Science Demos, coolness.
- Pinouts for all those connectors, busses and cables are just some of the
excellent resources stored at the Hardware Book,
" Internet's largest free collection of connector pinouts and cable descriptions."
- Wiring an electric guitar? Gotta see
- the on-line Electronics
Design Checklist maintained by Hank Wallace compiles a wealth
of suggestions from electronic designers. Check it out!
- Thinking about a robotics project? Make sure you visit the Robotics
Internet Resources Page.
: Searchable Engineering Catalogs for Design Engineers.
- Hewlett-Packard hosts
The HP Educator's Corner with electronics education resources.
- One of the most comprehensive sources of software in general is the
SimTel mirror archive oak.oakland.edu. In particular, cross-assemblers
that run on PCs can be found in the pub/msdos/crossasm
directory, and E.E. related software in pub/msdos/electric.
Select the 00index.txt item in SIMTEL directories to see an index
that describes each file. OAK now has a Web
- Here's the national IEEE Web Server
, IEEE Gopher Server , and IEEE
FTP Server. UN-L's chapter has their page here.
- Ham Radio Web Sites, courtesy
of Hamtronics, Inc.
- Keep your project legal by checking with the Federal
Communications Commission .
- EEE-Alert provides
information on the journals Signal Processing, Image Communication, Speech
- This site has the searchable
abstracts of all the papers ever published (40 years' worth) in the proc.
of the Frequency Control Symposium (quartz oscillators, quartz and atomic
clocks, filters, SAW devices, etc.)
- A nice list of Electronics
Parts Supply Sources has been compiled by radio enthusiast John Woods.
- The Unusual Diode FAQ
- PCB-Quote Free multiple quotes for PCB Layout, Fabrication, Assembly.
- New . . . 11/08/96 RF
Globalnet has a lot of resources for the RF engineer.
- EMCnet - The World-Wide focal point for
EMC/ EMI news, information, products and services.
High-Speed Digital Design information.
- Make the symbols on your project consistent with the IEC
417 Symbols standard catalogued here.
- Adults Only!
- Check into some heavy-duty student projects and the way they get done
- Explore some "ultimate projects" at Steven K. Roberts
Nomadic Research Labs.
- Loads of guitar
effects schematics and great info, links for musical electronics and
- Keep up on all the Latest
CPUs on this page of news releases and resources.
- The Green CirKit PCB prototyping
on-line manual, an excellent on-line manual with downloadable versions
Language tutoring . . .
- The Center for Electrochemical
Engineering at the University of South Carolina
- SPECNet™ - Semiconductor
Process & Equipment Network
- Here's how to get and install Pspice
Logic/PCB electronic design software. Links to other design
& simulation software are also found here.
- An collection of project- and lab-related documents archived on our
local system are here on our Miscellaneous
Project Stuff page. This includes our Prototyping
Tips and Pitfalls document.
Please note: Some of these sites want to sell you
stuff. They may have wonderful resources or be lying dogs trying to rip
you off: we do not endorse anything by putting a link here. If you have
trouble with any vendor listed here please send me E-mail.
- Must see! Stan Eker has compiled this exceptional list
of companies with data sheets , posted
here as is.
- Many companies maintain FTP servers to distribute information
and software for their products. One example is ftp.intel.com
which has much Intel-related material. In addition, more and more companies
have Web servers to provide information about their organization, products,
and research. See Intel's or IBM's
pages, for example. Companies not listed here often have Web addresses
in the form http://www.companyname.com .
- Links to commercial design & simulation software are found here.
- 4QD, makers
of speed controls, also has additional resources and a page of fun
Abbott Electronics (power supplies)
- Abracon Corp (crystals, SAW)
- Acopian (power supplies)
- Advanced Micro Circuits Corporation
- Advanced Micro Devices, Inc. home page
; embedded systems
info is here.
- Advanced Microcomputer Systems,
electronic design software and microcontroller/DSP kits.
Advanced Power Solutions (power supplies)
- Advanced Power Technology (power
MOSFETs, diodes & modules)
- Advanced Interconnect
- Advanced RISC Machines (ARM)
- Advantech (embedded, industrial, compact PC boards)
- Aerovox (caps, resistors, filters)
- AKM Semiconductor
- Alberta Printed Circuits manufactures
prototype circuit boards, and also offers detailed info on PCB design/fabrication
terms, software and procedures. Includes shareware.
- All Electronics Corp. New and Surplus Electronics Parts
- Allen-Bradley passive components
- Allied Electronics Distribution
- Alpha Metals soldering chemicals
Electric USA switches, LCDs, components
- Altech Corp
- AMP Inc, all the connectors in the world
Amphenol cables and connectors
- AnaTek Corporation sponsors
the Electronic Repair Center, a great wealth of information on troubleshooting, parts, and other
repair resources. Put a bookmark on this one.
- Analog Devices , a superb
site including an online magazine .
- Analog Innovations Inc.
provides "access to all
the interesting PSpice Models, Subcircuits and Tools that I've
scrounged up or developed over the years."
- Artech House Publishers publisher of books and software for
high-technology professionals and students in electrical engineering,
computing, radar, optoelectronics, and more.
- Avnet, Inc. includes links to their
parts sales divisions
Hamilton Hallmark, Allied Electronics, and
others, some of which have on-line sales.
AWC Electronics , makers of the ASP-II prototyping system for Parallax Basic Stamp Microprocessor modules.
- An advert for Bebop
to the Boolean Boogie - An Unconventional Guide to Electronics ,
by Clive R Maxfield. Looks to be a pleasantly bizzare trip from
electronics fundamentals through the latest cutting edge stuff. JJ France
was never this fun.
- Bitscope Mixed Signal Capture Engine,
with "open hardware."
- Black Feather Electronics,
Home of the U-HC11 Microcontroller Boards, Kits and other 68HC11 stuff.
- BOULDER CREEK ENGINEERING
Professional PC-Hosted Engineering Tools including the Pod-A-Lyzer.
- BrownDog Prototypes offers a variety
of prototyping adapters.
- Burr-Brown Inc.
- Capital Electro-Circuits, Inc. supplier of quality printed circuit boards
- Circuit Specialists, Inc. electronics
- Coilcraft has a very liberal free sample policy, especially for students
and instructors. They manufacture RF inductors, power inductors and
- CyberCircuit ,
Electronic circuit reference software, includes demo version of
circuit database .
"We specialize in making prototype and short run circuit boards. "
- CORCOM sells RFI technology,
and has some good RFI info here.
- Dale Electronics, Inc.
- Dallas Semiconductor Corporation
- Data-Connection, Inc.Global IC Distribution & Rare Semiconductor Supplier,
Data-Tek Semiconductor Price Guide
- Design Analysis Newsletters are on-line at Design/Analysis Consultants, Inc.
- DF Systems "Your source
for Roanoke Doppler DF Kits, Electronic Surplus and the ONLY source for
Handy Finder Kits."
- Digi-Key electronics catalog
- DonTronics sells innovative SimmStick
microcontrollers, and hosts
Don's Download Dungeon with loads of free/shareware tools.
- dTb Software™ application specific
CAE/EDA tools for electrical engineering; The dTb sampler, with five FREE
- E-LAB Digital Engineering,
Inc. Embedded Control & Integrated Circuit Solutions.
- Elantec analog chips
- Electronics Information Online :
electronics surplus including information with the distribution of electronics,
computer and optical materials. Includes liquid crystal display technical
forum , with more forums to follow on laser light shows, stepper motors,
robotics, and holography. Many other links and resources for technologically
- Electronix Express is a mail order
distributor of electronic components, test equipment and tools for schools,
colleges and industry. A free 168-page illustrated catalog is available.
- Engineering Lab makes
and sells surface mount electronic component and project kits.
- Electronic Parts
- ExpressPCB , Free PCB layout editor for Win95 & low cost PC board
- Future-Bot Components sells robot components including the "P-Brain".
- FOCAM Technologies
turnkey silicon solutions, prototype manufacturing and testing, chip manufacturing
crystals and crystal oscillators.
- Fujitsu Microelectronics, IC Division
The Ganssle Group has great
resources and articles on
debugging embedded systems .
- GOOFEE Embedded Systems Research & Development ,
home of the GOOFEE visual programming tools and other development stuff, some
of it free. Intriguing.
- Harris Semiconductor Reliability
Engineering has a Webserver that has a lot of cool stuff including on-line
data sheets. (You must have a Postscript viewer on your system to see
these.) A more general purpose Webserver for Harris, with a _lot_ of powerful
network information links, is found here.
Also check into their RF
Communications Division website.
- Hitachi America.
- HiTech Equipment Corporation (ICE's
and SBCs, custom design work) has product information, 8051 related stuff,
a free 8051 simulator, and more.
- Hi-Tech Surplus features
a downloadable .dbf file in dbIII format of inventory items.
- If you are interested in intelligent homes, see the HOME
TEAM page for home automation, power line communication stuff, and
- Industrial Wire Harness Service
- Iguana Labs has microcontroller
products but also nice free stuff like
schematics and other stuff.
- Intel Product
Selector - Quickly find the Intel products that meet your
design requirements using a java-based parametric database.
- Jameco Electronics electronics
- Jardine Engineering Systems has
some surplus Commodore stuff . . .
- JDR Microdevices electronics catalog
- KMR Technical Services, Inc.
Monitor & Terminal Repair Specialists
- Laser & Motion Development Company
- Linear Technology Corporation
- Los Angeles Lighting Manufacturing
- Linear Technology Corporation
- Linear Technology Corporation
- Magnavox has an excellent Electronics
- Mandaree Electronics Corporation.
- Marlin P. Jones & Assoc. Inc. Industrial, Commercial & Educational Electronics
- McGraw-Hill has started a new
Electronics Book Club and
Electronics Engineers' Book Club .
- Mentor Graphics has product,
commentary, customer histories and other information organized along principle
EDA design processes.
- Miltec Electronics Inc.
printed circut board makers.
- If you are using the Microchip PIC microprocessor click here
and here, or especially see
this excellent index of
- Microconsultants, makers
of FREE PLC software FREE SPC software SPLat low cost programmable industrial
controller GaugeLink digital caliper interface
- SLTF Consulting
has archived a series of embedded design articles by Scott Rosenthal
(originally appeared in Personal Engineering & Instrumentation News magazine.)
- Midwest Analog Products
carries products useful to music project builders, especially those
hard-to-find DPDT stomp switches.
- Motorola now has an official
Web server. Of more interest for designs and projects are the superb
pages for Motorola's Semiconductor
Products Sector , which has a variety of ways to get product information.
For information on Motorola
University Support, UN-L students should click
- Mouser Electronics, electronics
- Mushroom Components Distributors
and Importers of Electronic Components -- We buy surplus Components
- National Semiconductor has
on-line data sheets.
- NMB Techologies (fans, speakers,
- NTE ELECTRONICS, INC.
Includes their QUICKCross software.
- Oki Semiconductor, Inc.
- PAiA Electronics, Inc a must-see
for musical electronics hobbyists.
- PartMiner - "The world's best way to
search the internet for electronic components".
- Part Net International electronics
- The Parrot Clip.
Patriot Scientific Corporation, home of
the 32-bit PSC1000 Microprocessor.
- PCB Milling board fabrication, includes
- PC Kits provides articles and
resources on PC interfacing, besides selling kits.
provides individualized reporting and online
searching for product change notices (PCNs), obsolescence, end-of-life, and
- PerfectBoard , a new, more reliable
technology for creating etchable PC boards directly from a laser printer.
- Philips Semiconductor
- New . . . 6/12/96 Rockwell
Collins Printed Circuits
- QuestLink Technology, Inc. IC Index offers information about thousands of integrated circuits. Our site provides company profiles, contact information, product briefs, and a growing number of datasheets for hundreds of manufacturers.
- SemiDex offers a database of over 60,000 Memory IC's and boards
plus links to many Integrated Circuit manufacturers.
- Files from the Signetics
- Phillips BBS system are mirrored here: anybody doing 8051
family development work should check out these materials, which include
the BASIC-51 sources. Other useful stuff including a compiler are found
in the parent directory.
- Silicon Systems, Inc.
- Sirius microSystems makers
of PIC-MDS (PIC Microprocessor Development System)
- Sowter Audio Transformers Manufacturers
of Audio Transformers for Balanced Lines
- Surplus Al's Home Page
- TECHLOCK DISTRIBUTING
- "Your Source for Microwave and RF Components"
Data Systems has a technical database with specs for more than 70,000
- Teknicircuits Inc. Excellence in Printed Circuitry
- Texas Instruments is maintaining
a mirror site with the files from their TMS320
BBS dial-up systems. Folks doing DSP work should see this for source
code and programming tools. Some more TMS340
stuff is found at evans.ee.adfa.oz.au , as well as a lot of
other additional microprocessor
- The Test Connection, Inc.
includes an on-line discussion forum for test engineering called
Customer & Technical Support Discussions.
- Virtual Micro Design
Universal Microprocessor Program Simulator
- Visionics' EDA Products
EE DesignerTM, EDWinTM and EDWin95TM EDA series.
- WebBooks, the worldwide
source for technical literature!
- Wenzel Associates , an oscillator
maker, has technical articles, circuit puzzlers, projects, and a technical
- Literature and IC samples can also be obtained from Xicor
- Zebra Systems, Inc.
has Sinclair ZX81 Computer Kits.
- Zilog .
HC11 Microcontroller Kits
- ". . . Popular for robotics, industrial automation, or just experimenting.
Check this link often, as we are adding new products and services."
Search for more . . .
- Finding Electronic Design Information On The Internet,
a FAQ intended to be the comprehensive resource.
- A large list of Electrical
Engineering Departments with on-line information.
- The BestTest Directory
of Test, Measurement and Instrumentation Products and Services .
- Internet Resources for Embedded Systems Designers from CERA Research:
a WWW page and FTP Archives
here or here.
, Chip-Specific and Development
Tools, DSP , and Realtime
- Circuitonline is a directory of services for the electronics
manufacturing industry.It covers segments from integrated circuit to
semiconductor manufacturing and PCB assembly.
- More technology company servers can be found by checking with Commerce
Net's index. For a movie of their logo click here.
- A big IC and manufacturer index is the whole deal at QuestLink
Technology, Inc. index.
- BeMa Electronics has The
Electronics Guide to the Web.
- Marko Perko's "Close
Look Into The Web Electronics Site.
- Leroy Davis has a nice, catagorized
engineering index with electronic relevance.
- BDI's Internet International
Directory of Electronic Components and Internet
International Directory of Instrumentation and Controls .
- Check for additional E.E. oriented resources on the Web through the
WWW Virtual Library:Engineering Electrical
- CircuitOnline, the semiconductor
industry service directory.
- WebScope's directory of manufacturers
of electronic hardware.
- The Stanford IEEE has compiled the award-winning list of EE/CS
Mother Site, just what it says it is.
- Industry.net ...electronics and
engineering related programs, user groups, product announcements, etc.
- TechExpo site geared for Hi-Tech
in the Engineering and Life Sciences.
- John S. Patrick has his own EE
- Gray Creagerhas an ever-expanding
semiconductor makers index.
- Dana Smith's
Index of Electronic Manufacturers.
- Bruce Carter has an astonishing Engineering
- another index of company servers is at Product.Com.
See in particular the index for electronic
components and electromechanical
- Yet another excellent index
of EE related company servers.
- Mectronic Directory of Manufacturers, Suppliers & Services
for Electronic, Electrical & Mechanical Products .
- What if the company isn't on the Internet, and you want to get in touch?
You can always find their free telephone number if they have one on AT&T's
800 Number Directory.
- A variety of Web searchers are on Harris'
- Another search tool .
- Digital's Alta Vista search
S/FilSyn (PCFilt) from ALK Engineering:
This PC demo version only works at one frequency, 833MHz (frequency translation
is easy to do by hand, so the demo can easily be used for any design with
a little thought!). The demo is pretty good. The interface is good, but
not as good as MicroSim's software. They will give you a full version for
30 days. They claim it's the best filter software around.
from GigaSim: $995, The demo is pretty bad, but it's still worth a
MicroSim Filter Designer
Software: This PC demo version only allows upto third order filters
to be designed. It has a great user interface. The full version is $750.
Microsim was bought by OrCAD.
Filter Designer Software: A good simple filter designer for any order
filter...and it's FREE!
Design Software: CGI script that finds filter poles and zeros and transfer
function. Very similar to MATLAB's filter design routines (more analysis
filtorX: A simple filter
design tool. I see no advantage over MATLAB. You also have to mail in an
agreement to use it (too much work).
FilterMaster: A full working
demo of Intusoft's filter design software. This isn't the real program,
but a great demo:$2225, $335/year maintenance, $1195/per person for 2 day
An Academic Filter Design Tool. You have to contact the school to
get a copy. I'm not sure of the quality, but it has good variety
of analog filter synthesis options.
Filter Design System. This is a digital filter synthesis tool.
No analog...booo!, but it's from Cadence, so I assume it's of good quality,
and has some finite coefficient length tools.
University of Illinois Filter
Synthesis Class. Some MATLAB routines for filter synthesis.
Butterworth Filter Synthesizer. Design 2 to 25 element Butterworth
lowpass and highpass filters from your internet browser.
Synthesis. A Commercial Filter Synthesis Tool. This webpage
isn't very good.
Synthesis and Analysis. A book on filter synthesis.
LADDER, A University
of Wyoming Filter Synthesis Tool. I think it is free.
Serenade, Ansoft's Filter
Synthesis Routine. I think it's cheap for universities.
Lab's Filter Design Software. Both digital and analog. Standard is
$795 and Pro is $1995. It has a good simple demo. It's good,
but it looks like it's topologies are limited.
Filter Wiz, Standard
is $89 (students-$38), Pro is $199(students-$84), A good cheap program
with a good interface, but it's topologies are limited to biquads, which
are more sensitive to process variations.
FaiSyn, A simple
very-inexpensive filter design tool. It has limited capabilities,
but it does the job for the right price: Corportate is $89, single-user
A module(op-amps, switches, capacitors) generator for switched capacitor
filters from Berkeley.Adore.
$150 for distribution costs.
$699 Eagleware has a complete suite of filter design tools including active
and transmission line based tools, but charges another $699-$999 for each
RF Design Tools
Calculator: Useful for defining the specifications of RF filters.
Block Analysis: A tool for analyzing a cascade of nonlinear noisy blocks.
It costs $15, but don't buy it. It is very easy to write yourself in something
like EXCEL. The next link is a Java program that does the same thing.
ANADIGICS Receiver Model
Tool: A decent web based tool for receiver block analysis.
CAD for Microwave Circuits: You have to pay for it, so I have no idea
how well it works. There are no examples on the webpage.
Chart: At first glance it looks like a great chart, but it really doesn't
give you much needed information.
Impedance Matching Network Design
An Impedance Matching Network Design Webpage(now with 16 networks!), written
High Q and Broadband Matching
Program, software developed by a ham radio operator.
Impedance Matching Networks:
Describes why's and how's of impedance matching. The author claims to have
a C program (looks like Mathcad from the pictures), but it's not available
from his homepage. You can send him an email, I suppose.
Motorola's Impedance Matching Software.
Matching, a two-element matching program by Xuesong Jiang.
Phase Locked Loop Design
3rd Order PLL Design Software:
A useful DOS program for designing a 3rd order PLL loop filters.
2nd Order PLL Design Software:
A useful DOS program for designing a 2nd order PLL loop filters.
Order PLL Loop Filter Designer: A fast simple Java routine for designing
3rd order PLL loop filters
Loop Design and Analysis, Fall 1997 NTU Seminar, Postscript File. This
is seminar I gave on phase locked loop design.
Eagleware PLL Design: PLL
synthesis software. I'm sure it's expensive.
PLL Design Software: Oh Boy! This is some good stuff.
Passive Element Design (Inductors,
Substrate Isolation, etc.)
Analysis and Simulation of Spiral Inductors and Transformers for ICs. A
very good passive component design and analysis program. Useful for analysis
of any multilayer planar structure (inductors, capacitors, substrate isolation,
etc.) Ali's Homage
has more information on ASITIC
Magnetics Designer: A
full featured transformer and inductor design software from Intusoft. This
isn't the real program, but it is a great demo.
Stanford Spiral Research
Operational Amplifier Design
Switched Capacitor Integrator Designer: This is preliminary synthesis
program I designed. Pole-zero cancellation doesn't work ideally, because
of process variations, so I'm modifying the program for a better architecture.
In any case I hope you find it helpful. I also have a Mathcad version of
Op-Amp Transfer Functions: A simple discussion of operational amplifier
Operational Amplifier Projects:
Wetherell's 240 Project
Koo's 240 Project
Jiang's 240 Project
Sobels's 240 Project
Zhang's 240 Project
Sutton's 240 Project
Operational Amplifier Design: Andy Abo's qualifying exam includes low
voltage operational amplifier design techniques. Check out his homepage
An automated operational amplifier design tool.
Analog-Digital and Digital-Analog
Mixed Digital/Analog Sampled-Data Simulator. Good for sigma delta modulator
Richard Schreier's Delta Sigma
Toolbox, A great collection of design tools for sigma delta modulators,
I find the coefficient sizing works great except for cascade and multibit
Ph.D. Thesis: includes a good comparison of different operational amplifier
architectures. It has a thorough analysis of integrated operational amplifier
noise. Check out his homepage too!
1MHz Fifth-Order Multiple-Bit Sigma-Delta Modulator, class project,
Low Power Decimation Filter for Sigma Delta Modulators , class project,
Filter Design for Multi-Standard Transceiver Applications: A good thesis
on decimation filter design.
Publications: A good discussion of decimation filter design with binary
Automated DAC design:
Robert Neff did his thesis on the automated design of current source DACs.
An automated analog IC design routine.
Automated Fitler and Pipelined A/D Converter Design. I don't think
the pipelined A/D converter is available yet. The filter design tool
is integrated into Cadence and seems very powerful (i.e. transistor sizing),
but I haven't tried it. I've found most of these tools to be very
heavily analysis based with little synthesis capabilities.
Digital Design Software from Stanfurd.
Radio Frequency and IC Design
Analog Integrated Circuits at
Berkeley: This is the homepage for analog integrated circuit design
Aalborg University, DK: Has some
interesting research and nonlinear noise software.
Integrated Circuits at UCLA: Also
interesting work on CMOS receivers.
Issues in RF
IC Design: A short course on RF IC design.
Stanfurd's Integrated System's Lab:
Work on a variety of integrated circuits, including CMOS RF.
CDADIC: Center for design
of analog-digital integrated circuits. Limited to only a few local universities,
but the name implies a larger scale.
Microsystems Technology Laboratories:
A variety of good research at MIT.
Hong Kong University Online
RF Design Textbook: A good primary online text book for RF design.
Free Electrical Engineering
Static Free Software, A FREE Schematic
Electronic Engineering Technology
Software Site: This has small but good selection of software tools
for radio frequency design.
Free SPICE Index: An extensive list of free SPICE programs.
Tony Fishers Circuit
Simulator: An interesting online circuit design software. I prefer
Microsim or Cadence like schematic entry.
Electrical Engineering Circuits
Archive: A collection of simple circuits and software.
RF Globalnet: A great collection
of RF magazine articles and software. Membership is free and worth filling
out the forms. Software:
Tons of good software on RFglobalnet.
Ballistic: An analog layout
software. I haven't used it, but I've heard good reviews.
Engineering Circuits and Software Archive: An extensive collection
Simple Switcher: A DC-DC converter design software.
Pease's Bandgap Design: A great discussion on bandgap design.
Not-so-Free Electrical Engineering
Eagleware: RF design software.
Tanner Tools: Lower cost complete
substitute to Cadence.
Globalnet software: A good listing of commercial software.
Seems like a great PC-base software tool. I know the UNIX version is great.
Does nonlinear noise analysis for oscillators, PLL's, mixers, etc. and
interfaces with Excel. No schematic capture. $1250 w/o nonlinear noise,
$2k w/nonlinear noise.
Electronics Workbench, Full Simulator,
Educational Version, $199.
communication system software by EDN Magazine.
Electronic Design Automation
Software, compilation by EETimes.
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