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Electronics Resources

Electronics Search FAQ (and here and here and by FTP)
CircuitWorld
EE Times on the Web
Electronics World (includes Interactive Sourcing Directory, Virtual Community, and Glossary)
Electronics Search FAQ (here, too)
Electrical Engineering on the WWW
EE Internet Info Sites
Leroy's Engineering Web Site - Index of EE distributors, hardware & software links
Marshall's Electronic Design Center
Electronics Design & Technology Network (including commercial chip database...)
CircuitOnline (online database for semis, EDA, PCB...)
Internet Electronics Manufacturers
The Electronics Pages (prefixes, links...)
ePanorama - Electronics, telecom, audio/video, PC hardware
Cornell's EE Resource List
Electronic Design Online
Tomi Engdahl's Electronics Info Page (moving to epanorama)
Electronics Repair Center (component cross reference; archive searches; articles; classifieds; queries answered)
Electronics Repair Center Components Cross Reference
TechLink (links to distributors, board houses, manufacturers...)
EE Circuits Archive
EE Circuits Archive (mirror?) (parts cross-ref)
UAlberta EE Cookbook (FTP) (alias) (mirrored: Italy and UC)
The Electronics Page - Links to schematics at many sites
FTP Archive of FAQs, schematics, and software
Fil's Home Page (Home of the sci. electronics FAQ, IC guide, Free Spice FAQ, Repair FAQ, PC serial port, and other info)
PartNet: The Distributed Component Information System
ChipCenter.com
TDS-Net: The Electronic Components Web Database (> 100k datasheets)
FreeTradeZone - Datasheet service incl. some obsolete parts
Chip Directory (PA mirror and at twinight.org)
Chip Directory IC Logo Page
PCNalert (Product Change Notices, obsolescence, time-critical manufacturers' data; requires paid subscription)
SemiDex (functional index of memory/uP chips)
QuestLink (electronics parts search engine)
Global Semiconductor Datasheets Library
SemiRef
Harware Web (480 company URLs, etc.)
EEM On-Line
Electronics Data Bookshelf
Databook Shelf
Berkeley FTP Site (Spice, Road)
Electronics and Amateur Radio Links - Good collection of sim'n/CAD links
Mail Order Info
Serial/Parallel Port Info (incl. modem info)
Serial/Parallel Port Info (FTP Site)
Unusual Diode FAQ
Science Magazine Info
Science Hobbyist Home Page
Dave Baldwin's GIF Schematic Archive
The Mother Page (URLs from USENET posts)
Guide to Computer Vendors
Software FTP Archive
Circuit Cellar BBS
Cabling/Connector Info
Inst. for Interconnecting and Packaging Electronic Circuits
Electronics Parts List
The Electronic Guide/BeMa Electronics (jump site/software site)
Don Lancaster Articles
The Guru's Lair (Don Lancaster's site)
Imagineering On-Line
EE Publication Web Site Index
Electronics on the Web (practical electronics webzine)
Elektor (German version of EE hobbyist mag)
BestTest Directory of Test Eqpt. Products/Services
Peter Anderson's Home Page (PC interfacing, Hamfests, etc.)
ARRLWeb: American Radio Relay League (Hamfest and Convention Calendar, etc.)
The Electricity Page (France; Spice models, schemtics, faqs...)
Midnight Engineering (entrepreneurial journal; also MicroComputer Journal
Nuts and Volts Magazine
Tips from the Jeweler's Bench (articles on metal working, soldering, shop tools & sources...)
Surplus Metalworking Tool and Supply Sources
Tool/Part Vendors from the RV newsgroup
EMC & Safety Compliance FAQ
Oscilloscope FAQ
Programmable Logic Jumpstation
BestTest (3000 test, measurement, instrumentation links)
ITU's Technical Bookstore
Jan Axelson's Lakeview Research - Books on microcontrollers, interfacing, PCBs
Cadex's Battery FAQ
Russian Electronics - Schematics & other info; mainly just links to other sites
Poptronix Experimenter's Depot - Books, software
WebEE - Schematics, app notes (small selections), EE news
Manufacturers
Full Listing
Test & Measurement
EDA/CAD/PCB
Test and Measurement.Com
Mike's Test Equipment (and here)
Tucker Electronics (on-line and print catalog of new and reconditioned test eqpt.)
TestEquity (test eqpt.)
Audio Classics (used test and audio eqpt.)
Surplus Electronics MECI
Sphere's Used Test Equipment
C & S Sales (Elenco, B&K, Hitachi, Fluke test eqpt.)
R&S Surplus (surplus test eqpt.)
Harlan Labs (used test eqpt.)
AAAA Darrow (surplus test eqpt.)
AST Global Electronics (surplus test eqpt.)
Tech Services (used test eqpt., manual sources)
A-Com Test Electronics (tested test eqpt.)
American Test Equipment - New/used sales/rentals
Eltech - Canadian supplier of surplus electronic and lab eqpt.
Consolidated Parts Network (search for surplus dealers)
International Parts Depot (govt surplus test eqpt. & parts)
McGrath RentCorp (rent test eqpt.)
Test Eqpt. Manuals
Manual Merchant
Manuals Plus
Vintage Manuals
J-Works, Inc. - PC & USB test instrumentation and home automation
Metric Home Page - Purchase, rent, lease; occassional eqpt. auctions
General CAD Sites
CAD Index (suppliers and resources)
The CadStuff Page
CAD Tools Search/Link Page at CircuitOnline
Engineering Resources Database
CADmazing (ASIC design virtual corporation)
SciTechInt (CAD/EDA supplier w/ extensive catalog)
Wahoo's PC CAD/CAM Page
Wahoo's CNC Macnining Page
CAD Symbols (commercial, PICT, EPS, DXF...)
Personal Engineering & Instrumentation News (monthly for tech use of personal computers)
CAD Software
MechEng Software Archive
RS-274X Gerber Spec - PDF
Intellicad - AutoCAD clone; free source
CADVANCE - 3D CAD like AutoCAD; free
Barco ETS - CAM/test/plotting eqpt.; Gerber syntax and Barco DPF syntax
DeltaCad (Windows shareware)
Gamma Software ($25 CAD for PC)
TurboCAD Sources
DWS Gerber/CAD (Windoze Gerber viewer/editor)
DXF File Support (DXF description; GNUPLOT & other i/f)
AutoDesk's DXF viewer
Artwork Conversion Software (commercial Gerber/DXF conversion; Gerber info)
CAD Conversion Center
Gerber/DPF/CAD Site
DXF Spec/Converters
SoftSource (Simple Vector Format, DXF tools, Vdraft)
SVF Background
DXF Overview
Unofficial AutoCAD Pages (DXF docs, etc.)
DXF Release 12
AutoCAD's DWG Format
GraphiCode (GCPREVUE Gerber viewer for DOS/Windows)
Fred's Gerber Toolshop (Data Workshop Pro 32 for Win95)
ArtWork Gerber to DXF Converter
CAD Design Software - GerbARX Gerber/DXF Converter; many EDA tools
RSI DXF/Gerber Translators (unlimited free/shareware Gerber viewer)
InnovCAD: CAMtastic and AutoGERB
GerberMagic - Free/NZ$48 Gerber viewer
Caleida Java DXF viewer
EBT (FIGleaf CGM/TIFF/EPS... viewer/converter)
W3C: Graphics Formats for the WWW (with CGM links)
AGOCG: The Computer Graphics Metafile
How to purchase the CGM Specs
Spatial Interfaces with CGM (viewers, browser setup, building CGM)
EIA EDIF Home Page
EDIF Tech Center
The EDIF Library (funcs for interpreting EDIF)
ceBox EDIF Viewer (for SPARC)
Trilogy Design (Parts&Vendors parts list s/w)
SmartDraw ($49 Win32 shareware for flowcharts, tech graphics)
CAM350 (CAM350 shareware Gerber viewer/editor)
Vanguard Software (Java HPGL viewer)
Lavenir Technology (ViewMaster; free ViewMate Gerber viewer [demo w/o save capability])
PCB - Open source layout for linux
linuxCAD
linuxCAD Review (and here, with links to alternatives)
OpenCASCADE - 3D geometry data structures & algorithms
Links to Linux CAD & modeling s/w
MindsEye - GPL 3-d modeling/animation for X
PDI - CADScript, Python scripting for CAD
FastCAD - View32 .DWG file viewer, free
Schematic Software
IPC (documents, product/service locator...)
PCB Terminology
IPC's SMT Land Pattern Program
Bruce McKibben's EDA Links
EE Compendium EDA Info Page
Open Collector - Listings and news for free EDA software and circuit designs
Overview of PC EDA Systems
Leroy's Engineering Web Site: CAD-CAE
French Archive of EDA Shareware
Linux EDA
DACafe EDA downloads - Commercial demoware
Reviews of EDA Programs (capture/sim'n) for the Mac
MAC PCB Software Review (McCad, Douglas; removed due to threat of legal action by McCAD)
Strout.Net's Engineering Software List - Mac
Linux EDA software - Metalab's FTP archive
EEShop EDA Page (PSpice, PADS info, etc.)
EDAC: Electronic Design Automation Companies (trade org. w/ links to standards organizations, newsgroups...)
User Society for Electronic Design Automation
SIGDA Home Page (CAD info for EE)
Simbologia Electronica - EE symbols, some free
GenCAM - New PCB data file format from IPC
Schematic interchange - Info on file formats
Valor Computerized Systems - ODB++ info and Universal Viewer
Cadence Plugged-In (online magazine for EDA; software descriptions)
Publishing Schematics on the Web
Electrical Clip-Art GIFs
UltraCAD Design (PCB design firm; tech notes)
SimTel DOS CAD ftp site
SimTel Windows CAD ftp site
Bruce McKibben's List of Design Automation Links (demo/free CAD programs...)
Electronic Packagind Design Web Site (forum for EDA discussion)
PCB Software Download Page
comp.lsi.cad FAQ (TeXcad info...)
PCB FTP Site (free Unix/Linux PCB layout)
Orcad free demo
eCapture - Free Orcad clone
ULTImate Technology (ULTIcap/ULTIboard)
Vamp McCAD (Mac/Win, EDA & simulation)
Quickroute Home Page
Protel Technology - Easytrax PCB CAD Program
Protel license resale BB
Easytrax at RCS Radio (free, with libraries)
PADS (ftp site demo) (at TechWin, too)
Protel Easytrax for Mac (download page) - An old, free beta version, unlimited pins
Capilano Computing (DesignWorks, SMASH, etc. for Mac/Windows; free lite version)
Tanner Research (IC & module EDA for Win, DOS, Mac, Sun, HP, SGI) (CAD for Mac; ftp site)
Osmond PCB Design - Mac
IVEX (WinDraft/WinBoard/GerbTool for Windows)
Visionics (EDWin/EE Designer) (US distributor)
Sage EDA (ExpertPCB EDA for Win/Mac; no capture or autorouting)
Platoon (Mac PCB shareware)
CadSoft (EAGLE capture/PCB for Windows; LE is free NC; $49 otherwise)
CadSoft USA
Advanced CAM Technologies ECAM Page (PCB CAD for PC/Unix, shareware gerber viewer/panelizer)
AMS EZ-ROUTE
BPECS/Best Proto (PC EECAD; screen shots)
Veribest PCB ($25k!!)
The Chipmunk Home Page (Unix and OS/2 EE CAD tools)
RafCAD - RF and Electronics CAD for Windows
Zuken-Redac Group (CadStar for Windows)
Accel Tech (Tango PCB; p-cad for Unix)
McCAD EDA Software (Mac and Windows)
INCASES (THEDA and EMC Workbench)
Holophase (Circad demo; can view Gerbers)
Qcad by Microcad (cheap PCB design for PCs)
DynaCad (freeware/shareware utils for P-Cad; drill-to-gerber...)
SMT Footprints (and w/o frames!)
SMD package info - types and footprints as PDF
PCB FTP Site (Linux/Unix freeware)
PCB Web Site - Linux
Xcircuit - Linux s/c for small projects
Xelen -Linux freeware Schematic & PCB; uses TCL/Tk (dev stalled '98)
gEDA: GNU Electronic Design Automation
gEDA mirror
Sunsite's Linux Circuit Apps Directory - PCB, etc.
Electronics s/w for Debian - A Linux variant
WinCircuit/WinSchema (French)
Interactive CAD Systems (ProCAD)
Webb Labs Education Partnership (Unrestricted access for faculty/students)
Draftcad Deluxe (low cost PC SC/PCB sofware)
Bartels (capture & layout; Linux demo)
SPICECAD - Graphical SPICE input for SunOS/Solaris/Linux; freeware
CSI EDA (Win32; free: 80-part SC, 50-package PCB)
VUTRAX (256 pins free w/o photoplot; 75UK for photoplot; 175UK for 512 pins)
Express PCB Free PCB layout editor for Win95 & low cost PC board manufacture.
Linux Circuit Apps Index at Sunsite (Chipmunk, XCircuit...)
Best Proto ($30 unlimited PC cad/pcb)
PCB Designs (P-Cad, MDWin)
Webb Labs ($1k EDA system)
EE Soft PCTrace $99 SC/PCB; Gerber disabled on demo
PCB Editor (Win; $50+)
PCBMaker (Win32)
DeSA Logiciels - Windows ECAD for control, power automation...
PC Logic - Circuit Layout 3.0; $80 (Win)
WinCircuit/WinSchema - Windows shareware
Electric Editor - VLSI, s/c, pcb on Unix/Mac/Win; free source (FSF)
Easy-PC & Pulsonix - Windows; free S/C, commercial PCB
HK-Datentechnik: Scooter's World - ScooterPCB (Win, Atari); German
StablieSoft IC Layout System - Solaris/Linux
Intercept Technology's Pantheon
BoardEditor - Win32; $18
AMS CircuitCreator
Labcenter Electronics - UK, Proteus EDA, Isis/Ares low-cost EDA (PC), EWWW CAD review
Labcenter USA - Proteus reseller
R4 Systems - Proteus reseller in CA
CircuitWorks 2000 - 3d modeling of PCB
Advanced Microcomputer Systems CircuitCREATOR - s/c, layout, routing
CADint PCB - $1500 for PC; free 250 pin version w. no router
Pulsonix - Free Win32 S/C; hi-end PCB
Simulation
Duncan's Amp Pages list of Simulation Software
The SPICE Page
HSPICE manual
SPICE 3 Manual
SPICE Tutorials
Using the SPICE Circuit Simulation Program
Links to SPICE resources
SPICE model index - Index to >10k free SPICE models online
Capilano Computing (DesignWorks, SMASH, etc. for Mac/Windows)
Index of MacOS simulation/EDA tools (CAD for Mac; ftp site)
Micro-Cap V (Windows schem. editor/analog-digital sim'n)
Micro-Cap V Demo Version - PC zip file
CircuitMaker 2000 - Low-cost S/C, sim'n, and PCB
MicroSim (PSpice; free eval'n version for 70 parts)
Free Versions of Spice
McCAD EDA Software (Mac and Windows SPICE)
Electronics Workbench EDA (Windows)
Micronation CircSolver (Win95/NT analog sim'n)
Vamp McCAD (Mac/Win, EDA & simulation)
Beige Bag Software (Spice for Win32/Mac)
Arden Technologies (Eclipse ckt siml'n for Win32; free demo)
Tera Analysis Co. (QuickField mech/EM finite element code; free limited version)
SIMetrix: SPICE-based Simulation (Win; affordable)
Analogy (Analogy, Saber...)
Sunrise (free; for power electronics)
Tina Plus (limited demo)
Mentor Graphics Eldo (NT/Unix)
CAD-Migos Software Tools - Sch. editor, mixed mode; $150 acad; free SPICE models
Avista Design Systems SpiceLink for Visio
MacroSim (Win32)
MacSpice - Spice3f4 for PowerPC
MathPad - Graphing calculator for Mac with Spice output handling
ABEL-HDL Primer - C-like language for simulating PLDs
Analog Innovations/James Thompson - IC designer; PSPICE models & tips
WinSpice - Free SPICE for Win
AFDPlus - Active filter design
MacroSim Digital Simualtor - Win, $195/$495
AnaSoft Ltd - SuperSpice for Win ($50; free beta)
ACS Circuit Simulator FTP Site (and here) - documented source code, etc.
Full Circuit Ltd. Testbench - Low-cost VHDL; requires Excel97
PSpice
SEAMS - Free VHDL-AMS analog HDL
hAMster - VHDL-AMS
SwitcheCAD III - Free SPICE & s/c with switching power supply focus
Linear Technology Software - SwitcherCAD III Spice; FilterCAD; Noise..
PCB Prototyping
Yahoo's PCB Fabrication Index
Budget Plotting PCB Files to Film (1995 article)
Printed circuit glossary
Printed Circuit Designers' Forum - Web bulletin board
PCBs for Students and Hobbyists - Toner transfer tutorial
Greg Pettengill's Prototyping Resources Page (solids, CNC)
CircuitOnline (online database for semis, EDA, PCB...)
AirBorn Electronics (uP project design; How-To guide for electronic design; serial/parallel/USB port info)
PCB-Quote (vendor list, multiple quotes)
Designer's Den (PCB design info)
PCB Design for Students and Hobbiests - Toner transfer tips
Easy PCB Fabrication - Using toner transfer methods w/ photo paper
PnP Blue Home PCB Tutorial
Making your own prototype PCBs - Toner transfer method with PnP; 2-sided
Techniks - PCB, PnP Blue supplier
PCD Magazine
Circuit World
CircuitWorld PCB Manufacturer List
Rising Technologies - Design/layout/assembly for small businesses
T-Tech - Quick Circuit (fast mechanically engraved prototypes); multilayer; SMT assembly; thru-hole supplies
ALR Services Quickboard - Copper polymer paste PCB prototypes
Data Design Instruments - PCB milling machine ($5k) and service bureau; PA
PCB-POOL - Pools PCB orders to discount tooling; uses GC-PREVUE files
CadSoft's list of board houses
AP Circuits - Custom PCBs and PCB freeware; specialize in quick-turnaround prototyping; Canada
PCB Milling - For hobbyists; based in VA; tutorials on Gerber/NC drill files
World Wide Circuit Design Network - OR: Low cost PCBs from drawings or Gerbers; PCB engineer listings
PCB Express - Specialize in low to medium volume; single-, double-sided & multilayer
Express PCB Free PCB layout editor for Win95 & low cost PC board manufacture.
EP Circuits
PCB Design and Fabrication - Prototyping, free ECAD Pro software ($25/use for Gerbers)
MV Circuit Design - Layouts from hand or captured schematics using PADS; Ohio
Olimex Fast PCB Prototypes and here - Bulgaria; with PCB tips
Ship Company, Ltd.
FAR Circuits (cheap protos from film)
DTrack - Proto PCBs from Singapore
Capitol Electro-Circuits (Gaithersburg, MD)
RCS Radio (Australia; hobbyist PCBs from Easytrax .pcb files)
AEC Boardman (Michigan)
Circuits Worldwide (Australia; AU$99 for 2-layer, $199 for 4 layer)
Sierra Proto Express
Twin Star Electronics - Maple Grove, MN; $325 for 225 sq in, 2-layer, 1 wk
Advanced Circuits (Denver; multilayer protos)
Nexlogic
Ann Arbor Engineering
Standard Printed Circuits (Sherburne, NY)
DynaArt Designs (PCB prototyping)
Rak PCBs - UK
CIBS Machines (home and business prototyping eqpt., UK)
Eddy Electronics Manufacturing Ltd. - PCBs, flexible PCBs
BEC PCB Manufacture (Australia)
Circuitos Impresos - Barcelona, Spain
Think & Tinker/Green CirKit (including Printed circuit prototyping, etc.)
Green CirKit (PCB prototyping)
PCB Designer's Hotlist
T'nD Graphics --- PCB Layout and Web Links
PCB Rework and Repair Exchange
Timilen Design/Prototyping Services
Omni Graphics (PCB design/manuf; articles)
PCB4U (PCB design/manuf.)
Selectronics Robotics and Automation (buy/sell/trade/broker SMT and through-hole eqpt.)
CCNC Home Page (DIY PCB drilling)
Super Tech & Associates (Computer controlled tools)
Electrim Tech Inc. (Montreal electronic assembly)
Hobbiest's CNC PCB project
Drill sizes
Espen's PCB Page: Home PCBs
Alfred University Silk Screen Manual
Design Analysis Solutions Ltd. (UK; PCB design, manufacture, assembly)
Martex Circuits (Mountain View, CA)
Teknicircuits Inc. - Danbury, CT
Circuit Works - Neptune City, NJ
K & F Electronics - Fraser, MI
R & D Circuits, Inc. - Edison, NJ
Circuit Design Specialties, Inc. - PCB design, fab & assembly; PCB engineer listings
Capital Electronics (PCBs, PIC programming)
Xenon Research - CNC machinery
Pace - Soldering eqpt., SMT reworking; navigate to product and choose "applications" for process guides
Microcontrollers
Embedded Systems Internet Roadmap
Softaid's Embedded Web Page
Automation and Process Control Home Page (w/ Microcontroller FAQs)
E-Lab (embedded systems resource list)
The Ganssle Group - Articles and advice on embedded system development
On-Line Journal of Computer Controlled Systems (products, vendors, tech info)
Micro Processors (hypermail archives)
Microprocessor Instruction Set Cards
'Gator MCU Resources
More 'Gator MCU Resources
FTP Archive of FAQs, schematics, and software (PIC and 8051)
The Computer Journal Home Page
Needhams Electronics - Commercial programmers, links
Z-World Engineering (Z180 SBCs)
Universal Micro Simulator
Atmel AVR FAQ (RISC uC)
DIY Electronics/Kits-R-Us (uC kits; supplies Atmel & other components from Hong Kong cheaply)
Stargate: Phoenix SmartCards
Virtual Micro Design (Universal programmer/simulater)
OrgASM for Mac -TASM 8- and 16-bit x-assembler for MPW
EPROM, PIC, and signal generation software
Triangle Digital Services - FORTH micros based on Hitachi H8/532 uC's
USB Home Page
USB Members - Includes chip set producers
USB Implementers Forum
USB Designer Links
I B H Doran - USB products
Intel's USB Page
Intel's USB Devices
USBSIMM Support Page
Linux-USB
B&B Electronics Ltd. - Serial/USB converters and interfaces
RobotCafe.com - Robotics News, Tutorials, Discussion Forums, Books, many uC links
RobotBooks.Com
MacRobotics - MacPIC and other resources for MacOS
IAR Systems Embedded Workbench (demo)
FICL: Forth Inspired Command Language - Embeddable Forth in C
PIC, Stamp, and 8051 uC Projects
Chasm: C-style Hyper Assembler - ASM with C control constructs; in Python
Atmel AVR Family
Atmel's AVR site
AVR Forum
Beginners' PIC & AVR page
Dontronics Atmel page
Cornell U's EE476 - AVR course
8051 Family
8051 Info
More 8051 Info
Intel MCS 51 Family
ATMEL Home Page (8051 supplier)
Phillips Semi (8051 supplier)
8031PCB Page
Atmel Mailing List Page
MicroLee Technology Inc. (Atmel programer, etc.)
Mite (Atmel RS232 programmer)
TCG Products ($39 RS232 Atmel Programmer)
Steve Quest's 8051 file ftp site
New Micros Inc. (68HC11/80535 SBC, C, Basic, Forth)
Iguana Labs Microcontroller and Electronics Project Page (software, $99 8x51/Atmel programmer, tutorials, pinouts)
AirBorn Electronics (uP project design; $188 Atmel programmer; ser/par converter)
Devantech (UK; dev boards)
Franklin Software ($$$)
8032.com ($25 shareware?)
C Compiler for 8051 (free?)
Equinox Technologies (low cost programmers)
Wirz Electronics - Books, PIC programmers, PIC/AVR SIMMsticks...
DIY Electronics - Atmel 89Cx051 programmer kit
Jean's 8051 page - '51 emulator for Win; misc links
PIC Family
Arizona Mictrochip's Home Page
Parallax Inc. Home Page
TRISYS Inc. Home Page
PIC 16Cxx Application Notes
Andy's PIC Project Page
David Tait's PIC Archive
PIC Assembler (mirror)
GPASM - Open source replacement for MPASM
GPSIM - Open source PIC simulator
PSIM - Open source PIC 16C71 simulator
Silicon Studio
A Small 16C84 Programmer
ITU Technologies (PIC-n-GO, etc.)
PIC stuff for Mac?
E-Lab PIC Dev. Board
DonTronics Home Page (PIC boards, etc.)
Brian Luehr's Micro Resource List (PIC email list)
SofTec (PIC ICE)
GNUPIC (free PIC dev tools)
Square 1 Electronics (Easy PIC'n book)
PJW Designs (UK; low cost PIC protoboards)
Devantech (UK; dev boards)
PIC 16C84 Infosite (UK; low cost, ships overseas)
DonTronics (kits, programmers)
LOSA: List of [BASIC] Stamp Applications
Wirz Electronics - Books, PIC programmers, PIC/AVR SIMMsticks...
Myke Predko's Simple 16F84 Programmer
DIY Electronics - PIC programmer kit
Francis Deck's Macintosh PIC stuff
Capital Electronics (PCBs, PIC programming)
DIY MIDI Controllers using PIC Microcontrollers and Basic Stamps
68HC Family
68HC11 on the Mac
Black Feather Electronics (68HC11 Info)
68hc11 Software
Motorola Microcontroller Web Page
MIT 68hc11 Miniboard FTP site (and here; with Mac support)
AMS - 68HC11 and TMS-series DSP tutor kits
Mac 68HC assemblers
Motorola's Freeware Page (with Mac 68xx assembler)
Newton Research Labs (Interactive C for Mac/Win)
Motorola MCU BBS Archive
Analog & Audio Electronics
Audio Asylum - Discussion groups on DIY, tubes, speakers...
Analog Electronics Tutorials and FAQs
Analog Devices (product index)
Burr-Brown Corporation
THAT Corporation (VCA, level dtxn)
Linear Technology (product info, publications, and applications) (or at Marshall)
Advanced Linear Devices - EPADs...
Crystal Semiconductor Corporation (ADC/DAC and volume control chips)
Intronics (monolithic amps...)
Rane Corp. (many useful tech notes and schematics)
LC Audio Technology Op Amp comparisons
AudioWeb (Audio Electronics/The Audio Amateur)
Butterworth-Heineman (Publishers of EDN, books...)
Orchid Electronics (DIs, acoustic preamps, custom eqpt.; in the UK)
Great River Electronics (discrete mic preamps, opamp boards, mixers)
Reliable Capacitors (includes tech notes on cap slxn)
AES Student Section Audio Projects
Tomi Engdahl's Audio Electronics Page
Guitar Effects Schematics (Mirrored)
GEO: Guitar Effects Oriented Web Page
Pat's Tube and Recording Schematics - Schematics for sale/trade
Dave Baldwin's GIF Schematic Archive
Johnson's Electronic Schematics (links to other sites; audio, motor control, IR...)
HyperReal's Music.Machines Page (PAIA schematics, gear descriptions...)
Digital Music Zone (it ain't all digital!)
PAIA Electronics, Inc.
Midwest Analog Electronics (Thomas Henry; analog drums etc.)
Marchand Electronics Inc. (audio eqpt./kits)
Headbanger Headphone Amp (LM386)
Affordable Hi-End Audio and Electronic Equipment (schematics)
Digital Music Zone (design/construction of music electronics)
Larry Seyer Engineering Services (tube mic pre schematics, etc.)
Arcane Audio Labs (audiophile eqpt.)
4QD (motor control & audio analog circuits, schematics)
Electronics For You Circuit Lab - Simple schematics
Drum Trigger Pad Assemblies (using RS piezos)
The Speaker Building Page
The Parts Connection: The Audio Hobbyist's Definitive Parts Source
The Maximalist Preamp
Welborne Labs
DIY Audio Pages
Music Electronics MicroArchive
Andrea C's Audio Projects Links (original tube projects; links)
Stellan's Schematics (guitar effects)
Bowden's Hobby Circuits and Links
Synth Fool (analog synth info/schem)
Tube Dude's Web Page of Vacuum Tube Lore
DeltaBlues Guitar Amp & Effects Schematics
Core Sound (for digital audio hobbyists; mics, adaptors)
Sowter Audio Transformers (UK)
The Art of Electronics (book description)
Jaehon-Lee's Audio Projects
Vibro World Technical Shop (vacuum tubes, transformers, speakers and other electronics)
Opamp Labs
Opamp Technical Books
Guitar Amp Simulator Links...
Solid State Simulation of Tubes
Poor Man's Spectrum Analyzer
Active Filter Topologies
Northwest Test & Measurement (Audio Precision)
Software for Speaker Design (incl. audio measurement eqpt/programs)
Audio and Acoustics Web Sites and Internet Links
Pass Labs ("simple is better" audio and DIY; MOSFETs)
Modifications on budget hi-fi eqpt (and subwoofer const'n)
Audio Meter kit
Synthesis Technology (chips, tutorials for synth construction)
Audio Modification: Op Amps
AVA Headphone Amp Kit
Corey's Pro Audio Repair Site (mic schematics...)
Audio Frequency Chart
Spectra Plus (Win32 audio analysis)
Liberty Instruments (IMP audio analysis systems)
Fraser's Schematics (UREI limiter...)
Teletronix LA-2A Compressor Schematics
Clasic and Vintage Audio Circuits (LA-2A, Neve, AKG C-451, parts sources)
Phantom Powering
Taos Amp (tube & SS pres & amps, phantom power, ORTF mount)
Taos Amp - Another URL
Roll Music Circuit Ideas - SS & tube preamps...
Gunter Wagner Supersonic Communications (Tube mic and mic pre schematics)
Spire Audio (enclosures, audio DIY links)
Experiments in Electrocution: DIY Tube Audio
Tube Audio Design (book)
Curcio Audio (Tube audio systems, DIY resources)
Dick Campbell's Home Page (audio engineer consulting; Mitey Mike)
Black Audio Devices - Pro audio parts, mic preamps...
Filter Wiz Active Filter Designer ($100+ PC)
Pease and Jung Columns from Electronic Design
Jung's Op-Amp Audio Series in Electronic Design
Analog Innovations - includes some SPICE models and schematics
Borbely Audio - Audiophile components, matched FETs, kits (Germany)
DIY Audio & Video
Tangible Technology Center - Eddie Ciletti's audio info/EQ reprints
Triode Electronics - Tubes, parts, data, schematics
British Amateur Electronics Web Site AMPAGE - Tube amps and music electronics info
Pat's Tube & Recording Schematics - Trade/pay for schematics
The Schematic Connection - $5 for audio/pro audio schematics
Steve's Vacuum Tube Site - amps, preamps, crossovers, supplies, testers, analyzer
True Audio Loudspeaker Design Center - w/ tech info on crossovers, Zobel networks...
Taos Amp - Mic pres, headphone amp, Fender pre...
DIY Speaker Testing Mic
Topics on Active Filter Design - Laplace transform pairs; transadmittance networks; loudspeaker EQ
Piezo preamp on a budget
Forssell Technologies - FET/Tube-based audio products; schematics
DaviSound Master Pieces - Circuit blocks for DIY audio
Analog circuit design forum - WWWBoard
Stereophile's speaker simulator
Elliot Sound Products: The Audio Pages - Audio schematics, PCBs, articles
Douglas Self's Amplifier Institute
Waltzing Bear Schematics - API, Orban, etc.
The Secret Life of Pots
Pat's Tube & Recording Schematics
Bottlehead.com - Tube audio kits & parts
Linkwitz Lab - Loudspeaker & electro-acoustic design; mic DIY
MicDIYers Home Page
Millenia Media's Mic Preamp Design Philosophy
Porter Audio - Home of the NetEQ
ArrayDesign - Designed 555 timer; tech support for Zetex 700 custom ICs
John Hardy Company - Jensen 990 op amps; mic pres