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مشاهدة النسخة كاملة : Electrical CAD Systems


Eng.Jordan
02-17-2012, 04:47 PM
Electrical CAD Systems Eagle (http://www.cadsoftusa.com/freeware.htm) The EAGLE Layout Editor is an easy to use, yet powerful tool for designing printed circuit boards (PCBs). It can create CAM files for EXCELLON & GERBER. The limitations of the freeware version are as follows -


the useable board area is limited to 100 x 80 mm (4 x 3.2 inches).
only two signal layers can be used (Top and Bottom).
the schematic editor can only create one sheet.

Screenshot (http://www.freebyte.com/cad/screen/eagle.gif).
Created by CadSoft Computer GmbH. (http://www.cadsoftusa.com/)
Electric (http://www.staticfreesoft.com/productsFree.html) The ElectricTM VLSI Design System is a complete Electronic Design Automation (EDA) system that can handle many forms of circuit design, including: Custom IC layout , Schematic Capture (digital and analog), ****ual ********s such as VHDL and Verilog, Electro-mechanical hybrid layout, Programmable logic (FPGAs).
Screenshot (http://www.freebyte.com/cad/screen/elect.gif)
Created by Static Free Software (http://www.staticfreesoft.com/) PCB Elegance (http://www.merco.nl/download.htm) Schematics and PCB layout. Free version restricts the number of pins to 200.
Screenshot (http://www.freebyte.com/cad/screen/merco.gif)
Created by Merco Electronics (http://www.merco.nl/) AutoTRAX (http://www.kov.com/Support/Download/download.html) AutoTRAX integrates tools that include schematic capture, simulation, layout with autoplacement, autorouting and 3D visualization.
Created by Kovac Software (http://www.kov.com/) CADSTAR (http://www.cadstarworld.com/) PCB design software. Free version limited to 50 library components and 300 pins.
Created by Zuken. (http://www.cadstarworld.com/) LASI (http://www.lasihomesite.com/index.htm) LASI (LAyout System for Individuals) is a set of "general purpose" layout and design programs. It was not specifically designed for CMOS logic circuit layout, but most people use it for that purpose. LASI can draw schematics and can be used for most of the other graphical jobs of an IC project.
Created by Dr.D.E.Boyce. (http://www.lasihomesite.com/index.htm) PCB123 (http://www.pcb123.com/) Free schematic and layout software. Import Net lists from multiple CAD vendors, 145,000+ parts library, 2, 4, and 6 layer support, design rule check/design for manufacturing, copper pour with net connectivity.
Created by PCB123 (http://www.pcb123.com/) McCAD (http://www.mccad.com/) Collection of fully functioning electronic circuit design tools which are functional and can be used to create schematics, printed circuits, view Gerber documents, and run simulations. Free version has limitations on net, pin & board sizes. Runs on ******s & Mac.
Created by McCAD Inc (http://www.mccad.com/) FreePCB (http://www.freepcb.com/) Free PCB design software. 1 to 16 copper layers. Board size up to 60 inches by 60 inches. Lots of options when generating CAM gerber files. You usually import a PADS netlist generated from a schematic capture program (TinyCad) then you can run connectivity checks to validate your layout against the schematic. Lots of layout design rule checks are also included. It even uses a free online auto-router. Runs on ******s only.
Created by Open Source (http://www.freepcb.com//) Express PCB/SCH (http://www.expresspcb.com/ExpressPCBHtm/Free_cad_software.htm) Free Circuit Board Design and Schematic Design Software.
Created by Express PCB (http://www.expresspcb.com/) Rimu Schematic (http://www.hutson.co.nz/download.htm) Electrical and electronic schematic capture software, free version limited to 100 pins.
Created by Hutson Systems (http://www.hutson.co.nz/) KiCAD (http://www.lis.inpg.fr/realise_au_lis/kicad) Free open source software for electronic schematics & PCB layout, Gerber viewing layout, 3D viewing layout, an example interface is for viewlogic.
Screenshot (http://www.freebyte.com/cad/screen/kicad.png)
Created by Jean-Pierre Charras (http://www.lis.inpg.fr/realise_au_lis/kicad) TinyCAD (http://tinycad.sourceforge.net/downloads.php) Free open source software for drawing circuit diagrams, comes with a library of standard symbols.
Screenshot (http://www.freebyte.com/cad/screen/tinycad.png)
Created by Team (http://tinycad.sourceforge.net/)