Geda

gEDA is a continuation of free software under license GNU LPG 2. This continuation is intended for the electronic development in on system Linux. These tools are used for the drawing of printed circuit, the capture of diagrams and simulation, this as much for prototyping that for the production.

Principal components of Geda

It is composed of a succession of tools of which:
  • Gschem, the editor of diagrams,
  • Gnetlist, a translator towards other utilities,
  • PCB, a drawing tool of printed circuits,
  • Ngspice, a clone of spice with extended functions,
  • Gnucap. an original simulator with compiler of models.

Other software like gerbv, a visual display file to stack, or gsch2pcb, which makes it possible automatically to annotate the printed circuits following modifications of diagrams, supplements this continuation of software in order to make a complêt unit of it.

The last version of Geda includes/understands also gspiceui, an graphical interface for ngspice and gnucap, like wcalc, a software of analysis of lines of transmission and structures electromagnetic.

A Verilog compiler, Icarus Verilog, and ltspice, a version of spice intended for repetitive simulations, can be integrated easily into Geda.

A program of installation is also included/understood in the continuation, and it entirely automates the installation of the whole under Linux.

Characteristics of Geda

One of the principal characteristics of Geda is that this continuation of software uses a single format of file for all the files created and used by its various components: (.sch), which is an alternative of the ASCII. It is thus very easy to include/understand these files and to create scripts to automate the repetitive tasks.

Other important characteristics are that all the tools of Geda collaborate the ones with the others and that they do not have any limitation. It is also possible to modify these tools or to use them with scripts to automate repetitive tasks.

An graphical interface gathers part of the programs, however this interface is not as complete as that of the commercial software continuations as Cadence. It will be the principal difference for a beginner, which will have to include/understand the role of each program in the continuation to be able to extract the maximum from it. This lack of graphical interface is compensated by the flexibility of the programs which leaves a complete freedom of choice to the user.

See too

External bond

  • Official site

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