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A waveform viewer is a software tool for viewing the signal levels of either a digital or analog circuit design. [1]Waveform viewers comes in two varieties: simulation waveform viewers for displaying signal levels of simulated design models, and
The gEDA project offers a mature suite of free software applications for electronics design, including schematic capture using gschem, attribute management gattrib, bill of materials (BOM) generation, netlisting into over 20 netlist formats (gnetlist), analog and digital simulation (ngspice, gnucap, Icarus Verilog, and GTKWave, and Printed ...
As of release 0.9, Icarus is composed of a Verilog compiler (including a Verilog preprocessor) with support for plug-in backends, and a virtual machine that simulates the design. To view waveforms, a program like GTKWave can be used.
GTKWave - A digital waveform viewer wcalc - Transmission line and electromagnetic structure analysis Within the gEDA Suite, gEDA/gaf ("gaf" stands for "gschem and friends") is the smaller subset of tools grouped together under the gEDA name and maintained directly by the gEDA project's founders.
The variable definition section of the VCD file contains scope information as well as lists of signals instantiated in a given scope. Each variable is assigned an arbitrary identifier for use in the value change section. The identifier is composed of one or more printable ASCII characters from ! to ~ (decimal 33 to 126), these are
GNU Octave is a scientific programming language for scientific computing and numerical computation.Octave helps in solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with MATLAB.
VHDL source for a signed adder. VHDL (VHSIC Hardware Description Language) is a hardware description language that can model the behavior and structure of digital systems at multiple levels of abstraction, ranging from the system level down to that of logic gates, for design entry, documentation, and verification purposes.
USB communications device class (or USB CDC) is a composite Universal Serial Bus device class.. The communications device class is used for computer networking devices akin to a network card, providing an interface for transmitting Ethernet or ATM frames onto some physical media.