- Eagle Printed Circuit Freeware (New Version)
- PSpice 9.1 Student Version (28MB)
- PSpice version 10
- PSpice Download Student Version 9.1
- WINSPICE
- DUNCAN
- RFsim99 linear simulator from the UK.
RFSim99 is a free linear S-parameter based circuit simulator offering schematic capture, simulation, 1 port and 2 port S-parameter display and file support, tolerance analysis, stability circles, and much more. Requires Windows 95, 98, NT or 2000. File size 2045KB.
- Calculations on a 555 type of timer
- Mixed Digital / Analog simulation software
- Cad Vantage Technical Drawing software (simple but fast)
- Field line plotting for electrical fields
(easy field line drawing with left (+charges) and right (-charges) mousebuttons)
- Units conversion program in the german language (many units)
- Fourrier synthesis demonstration program plots harmonics in time domain (german)
- Julia simulation program for controller simulation (german)
- Selfimp calculate the complex impedance of (short) dipol antenna's (dos box)
- Lpcad calculate size and diameters for Log Periodic Array Broadband antenna's (new version 2.7 02/99)
- Boxplot Speaker Box calculation program includes many examples (WIN 95+)
- Time Diagram A W95+ program for creating timing diagrams for digital circuits f.a. RAM adressing.
- Widerstand German language program for determining colour codes on resistors.
- Flow Diagram Flow diagram drawing software 16 bits
- Micro-Cap V 2.0 Working Demo with limitations on size of design (LINK)
- GPS Utility program Working demo with limitatons Version 1.31 (LINK)
- Calculators Online Part V Electrical and Electronic Engineering (thousands of calculators)
- Download older version of Pspice
- Overview of PSpice Simulation
- PSpice Help Pages
- AIM-Spice
- CAD-Migos Software Tools
- Filter Wiz
- Intusoft Magnetics Designer Transformer, Inductor and Choke Design Software
- TuneKit for Windows
- Micro-Cap
- NOVA
- Programs in Circuits Archive
- PSpice and Related CAD Packages FAQ
- The Iowa Logic Specification Language
- Aplac
- DOWNLOAD APLAC 7.51 Circuit Simulation and Design Tool
CIRCUIT DESIGN
- TOOLS for Electronics
- NPN Transistor amplifier design calculation
- J-FET Calculations for design
- Circuits Archive
- Electronics (Comprehensive) Information
- Power Amplifier Design Guidelines
- 450 watt 6m Amplifier
- A New Audio Amplifier Circuit Design
- Transistor Circuit Design
- Circuit Design Simulation and Analysis Software
FiltersCAD - Design Electronic Filters
Filterscad
Engineering Software (DOS) Links
- FOURIER-3 shows Fourier series graphically -Download FOURIER (a .EXE file, 71Kbytes
- PHASORS Rotating phasors become V vs. time graphs - Download PHASORS (a ZIPPED file, 250Kbytes when
- RFTOOLBX Does calculations for RF systems - Download RFTOOLBOX (a ZIPPED file, 216Kbytes when unzipped)
- SNAP Simplied Nodal Analysis Program - simple, DC only - Download SNAP (a ZIPPED file, 150Kbytes when unzipped
- TRANALV2 Transmission Line Analysis Program - shows phasors of V and I, with ANY load impedance - Download TRANALV2 (a ZIPPED file, 90Kbytes when unzipped)
- TUNING Does stub and L,C matching of loads on transmission lines - Download TUNING (a ZIPPED file, 92Kbytes when unzipped)
MORE Software
- Advanced Graphical Scientific Calculator
- CASIO Service/Data Software Demo's, etc
- DIGITAL.ZIP (DOS 302K) Training software system .
- ETCAI.ZIP (DOS 528K) ELECTRONICS TRAINING SYSTEM
UPDATED FILES
- Download FOURIER shows Fourier series graphically
- Download HAMCAL32 collection of useful RF and ham radio software modules
- Download PHASORS Rotating phasors become V vs. time graphs
- Download RFC12 Smith Chart Analysis/Design
- Download RFTOOLBOX Does calculations for RF systems
- Download SMITH CHART Smith Chart Analysis/Design
- Download SNAP Simplied Nodal Analysis Program - simple, DC only
- Download TRANALV2 Transmission Line Analysis Program - shows phasors of V and I, with ANY load impedance
- Download TRLINE Simply wonderful, for Windows, for learning about transmission line circuits
- Download TUNING Does stub and L,C matching of loads on transmission lines
- RFsim99 linear simulator from the UK. RFSim99 is a free linear S-parameter based circuit simulator offering schematic capture, simulation, 1 port and 2 port S-parameter display and file support, tolerance analysis, stability circles, and much more. Requires Windows 95, 98, NT or 2000. File size 2045KB.
- WinLAP linear simulator from Denmark. This free linear circuit simulator is perfect for the rapid simulation of circuits containing resistors, capacitors, inductors, op amps, transformers and voltage and current sources. Requires Windows 3.x, 95, 98, NT or 2000. File size 249KB
- Software One - From QRZ - Too Much To List.
- GSoftware Three - SV1ENS AMAZING REMOTE BBS
- Software Four - From K7HG
- Software Five --From IW8PG and 1Kr102
- Software Six -- 458 Files!!! From FileLibrary.com
- Software Seven -- Many Downloads From G3VFP
- GAmateur Radio Soundblaster Software Collection (by Dr. Oliver Welp, DL9QJ)
- Basic Electronics Concept Review 2.0 (Demo) Test your electronics skills for the Federal Aviation Administration Basic Electronics Screening Test. RFSim99 OS: Windows 95
- Electronics Software Pack 1 1.0.2 (Free) Become a better ham operator with these three programs. OS: Windows 95/98/NT
- Electro Tools 1.03 (Shareware) Practice common electronics design with this specialized worksheet. OS: Windows 95/98/NT
- LG Electronics GoldStar Monitor Drivers 7/10/98 (Free) Download the Windows 95 drivers for the GoldStar monitor. OS: Windows 95
- LoKon 2.36 (Shareware) Simulate digital circuits. OS: Windows 95/98/NT
- Proteus Lite 5.2 (Shareware) Use this complete electronics design system. OS: Windows 95/98/NT/2000
- Signal Calculator 2.0 (Free) Convert dBM and dBV to RMS or Peak Voltages OS: Windows 98/NT
- DC Circuits Challenge 4.0 (Shareware) Learn or teach electronics. OS: Windows 95/98/NT
- Ved 1.0 (Free) Use a VHDL-aware text editor. OS: Windows 95/NT
- MacroSim 1.000 (Demo) Design and simulate digital electronic circuitry. OS: Windows 95/98/NT
- DesignWorks Lite 4.0d1 Create professional circuit diagrams with this program. OS: Windows 95/98/NT
- CRO Tutor 3.0
(Demo) Simulate a single-channel cathode ray oscilloscope. OS: Windows 3.x/95
- Networked Bookmarks 1.5 (Shareware) Keep track of users' bookmarks on a network. OS: Windows 95/98/NT
- Delta CD-ROM Device Driver 10/25/00 (Free) Download the Delta CD-ROM Device Driver for Windows 95/98/NT. OS: Windows 95/98/NT
- Resistor Colorcode Decoder 1.0 (Free) Decode the colored stripes on resistors in electronic components. OS: Windows 95/98/NT/2000
- Youknowbest 3.0 (Free) Use this tool to compare products while you are shopping online. OS: Windows 95/98/NT/2000
- NuTest 1.72 (Shareware) Obtain an operator's license for amateur radio. OS: Windows 95/98/NT/2000
- Ohms Law Calculator 1.0.1 Calculate values for electronics with this program. OS: Windows 95/98/Me
- NTE Cross Reference software (Note: NTE requires a registration form but the download is free.)
- TUNING (Tuned circuit analysis.)
- SCH-DRAW.EXE (DOS 39K) A simple ASCII schematic drawing program.
- RJELOOP1 Transceiving, single-turn, loop aerials of various regular shapes.
- RJELOOP2 Transceiving, single-turn, loop aerials of rectangular shape.
- RJELOOP3 Receiving, multi-turn, square, loop aerials, ELF to HF.
- SOLENOID Design of single-layer solenoid Rx & Tx tuning & antenna loading coils.
- DIPOLE1 Centre-fed dipole analysis. Vary freq and feedler length for optimum match.
- HELICAL3 Helically-wound antenna performance, top-C loaded with rod or wire.
- TOROID Ferrite & iron-dust cored, toroidal coils. Size, Mu, Turns, uH, pF, Freq.
- VERTLOAD Base-fed vertical antenna performance, coil-loaded at any height.
- RADIOETH DC & RF characteristics of a shallow-buried radial earth wire.
- GRNDWAV2 VLF to HF Groundwave Propagation. Path loss over various terrains.
- EARTHRES Earth Electrodes and Measurement of Soil Resistance.
- TANT136 Performance on Long Waves of T Antennas above ground radials system.
- ENDFEED Performance of Inverted-L Antennas above system of ground radials.
- LINEAR1 Models Class-AB, Push-pull, Bipolar Linear RF amplifiers up to 30 MHz.
- BALUN4 Models HF transmission line transformers, impedance step-up ratio 4-to-1.
- RJELINE1 Analysis of openwire lines, 50Hz-1GHz, for any complex termination.
- RJELINE2 Full analysis of balanced lines, 20Hz-1GHz, for any complex termination.
- COAXPAIR Full analysis of coaxial lines, 50Hz-1GHz, for any complex termination.
- RJELINE3 Full analysis of balanced lines with facilities for line xfmr design.
- TRAPDIP Design of 2-band trapped dipole antennas including trap details.
- PHASENET Design of T & Pi phase-shifting networks for use with antenna arrays.
- TPINET Design of T & Pi impedance-matching and phase-shifting networks.
- SWR-FREQ Simple & folded dipoles. Input Z. Feedline VSWR versus freq. Bandwidth.
- SOILSKIN Enter soil characteristics. Display a table of skin depth vs frequency.
- COAXRATE Find safe input power for given cable dimensions and SWR. 0.3-3000 MHz.
- ZL_ZIN Compute load impedance from measured line input impedance, Zo & length.
Computer Assisted Circuit Design
- 3pnicreg.zip
- 555timer.zip
- ceamp.zip
- crcuit10.zip
- elcad11.zip
- edraw32.zip
- eztime96.zip
- Filter.zip
- ledcalc.zip
- opactbpf.zip
- opacthpf.zip
- opactlpf.zip
- opastble.zip
- opccinv.zip
- opccninv.zip
- opccvf.zip
- opdcinv.zip
- opdcninv.zip
- ophsftos.zip
- opmonsbl.zip
- opnotch.zip
- opsmtrig.zip
- opwenbrg.zip
- opznrreg.zip
- pasrcflt.zip
- schemd04.zip
- tranmono.zip
- trnastbl.zip
- trnphsft.zip
- trnznreg.zip
Analysis
- dcca.zip
- dcckt14.zip
- dlav12a.zip
- impedanc.zip
- ohmslaw.zip
- pcecap.zip
- pwr_calc.zip
- pwrsupcv.zip
- rcrltime.zip
- resonate.zip
Simulation
- easysim.zip
- emcfilt2.zip
- lokon31.zip simulation of digital circuits. Windows 3.1+.
- Pspic54a.zip pspic54b.zip pspic54c.zip
- rf1disk1.zip rf1disk2.zip - RF & Microwave circuit simulation package. Windows 3.1+
- timecrft.zip - Electronic circuit timing diagram generator. Windows 3.0+.
- WinPlace - This software can be used to create 3D circuit boards. Windows 3.1+
Printed Circuit Board Design
- easyt206.zip
- gcpvu.zip
- qr15r3us.zip
- qrusa.zip
- padspcb.zip padslib.zip padslog.zip
- pcbca110.zip
- pcroute2.zip
- clrcode.zip - Computer Assisted color code interpreter.
- convert.zip
- fnd3preg.zip - Data for selecting the most popular 3 pin IC regulators.
- pwrfac.zip - Power Factor Correction Program. Windows 3.1+
- rcalc313.zip
- resist.zip - Resistor selection
- rstrslct.zip
- trnselct.zip
Links to Other Electronics Software Sites
- Shareware Circuit Design
- Circuit Analysis Programs
- Engineering Software Database
- CAD for Electronics
- Electronics Software
- Electronics Shareware and Freeware
- Electronics Software
- CAD and PCB Software
- Pandora (BE)
- Express PCB
- Digital Laboratory
- EFT software
- Electronics Software (misc)
- Electronique (francais)
- Circuits Archive
- Beta Layout
- Klotz (pop-ups : beware)
- Programmers heaven
- Sumber : http://www.101science.com
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