Impedance

this program evaluates the impedance and phase velocity in the shielded microstrip transmission line. program helps to view the effect of dimension of shielding used. Platforms: Matlab

This application can be used to easily calculate the resistor values needed to achieve a specified attenuation in a controlled impedance environment. Platforms: Windows

Zfit(data)Plots the impedance DATA which has to be a 3-columns wise matrix [FREQ, RealZEXP, ImagZEXP]. Impedance, admittance, capacitance and modulus representations in the complex plane are then pushbutton obtainable.The others usages are described in the help lines with examples too... Platforms: Matlab

finds exact gain, directivity and input impedance of Yagi or log-periodic antennas (planar symmetric array of cylindrical dipoles, many driven elements) for a range of specified frequencies, integrates 2D for segments on the same element, moment method Platforms: Windows, Mac, BSD, Solaris, Linux

Show how to plot a Smith chart in Matlab. Show how to perform a 2 element match to 50 ohms termination using the Smith chart. Show that depending on the termination impedance that there is more than one combination of elements solving the problem. Platforms: Matlab

The main features are: Plot. For each immitance types (Z, Y, C or M), the data can be plotted in the complex plane, as well their real, imaginary parts or their magnitude in function of the frequency (Log/Log). Simulation. The possibilities are almost infinite. Over the classical R, C, L... Platforms: Matlab

A simple one-dimensional finite-difference time-domain (FDTD) electromagnetic routine that allows the user to specify arbitrary permittivity, permeability and conductivity profiles. Useful for helping students to visualize reflection, transmission, wave velocity and impedance concepts. Will also... Platforms: Matlab

Optimisation for 4 variables using Genetic technique. Was designed to optimise surface impedance measurements Platforms: Matlab

Dee-Python project is an implementation of a truly relational database language with Python. Inspired by Date and Darwens Third Manifesto, it addresses the problems of impedance mismatch between programming languages and databases and the weakness of SQL. Mind The Gap Most of todays programs... Platforms: *nix

Parsing module is a pure-Python module that implements an LR(1) parser generator, as well as CFSM and GLR parser drivers. From an algorithmic perspective, this is one of the most advanced parser generators in existence, for the following reasons: - The Parsing module uses a scalable algorithm... Platforms: *nix

Gnome-Vector-Network-Analyzer is a GTK+/Gnome2 graphical front end for the IW3HEV Vector Network Analyzer, also has a signal generator. Gnome-Vector-Network-Analyzer displays graphicaly SWR, Phase, Return Loss, X impedance, Serial resistance, |Z| Impedanze, and Inductance, and capacitance.... Platforms: *nix

Class::XML is a Perl module for simple XML Abstraction. SYNOPSIS package Foo; use base qw/Class::XML/; __PACKAGE__->has_attributes(qw/length colour/); __PACKAGE__->has_child(bar => Bar); package Bar; use base qw/Class::XML/; __PACKAGE__->has_parent(foo);... Platforms: *nix

Maxwell`s Dream is a CAE tool thats purpose is to support design engineers developing digital high-speed circuits and printed multilayer boards (multilayer PCB). Maxwellds Dream is an implementation of Maxwellds Equations, based upon Finite-Elements-Analysis, and calculates the electrical field... Platforms: Mac

MobilePre USB is the preamp with a built-in audio interface thatls designed for laptop recording such as field recording and sampling expeditions. In fact, itls one of the only completely bus-powered preamps available. (Of course, you can use it on the desktop as well.) A total of three kinds of... Platforms: Mac

MacTXLine calculates parameters for transmission lines in electromagnetic systems. It support 3 different lines: Microstrip, Striplines and Coaxial lines.The application converts between electrical values and physical values. As an example it can convert a length in degrees to a length in mm or... Platforms: Mac

Find the optimum match for your antenna and radio. MatchMaker lets you instantly see the the effects of these matching techniques: - Series Capacitor - Series Inductor - Shunt Capacitor - Shunt Inductor - Transmission Line - Open Stub Transmission Line - Shorted Stub Transmission Line - Open... Platforms: Mac

An antenna analysis program. Any type of antenna may be analyzed. The physical design of the antenna is entered (such as the lengths of wires and elements). For a given frequency, the feedpoint impedance is calculated, along with theoretical efficiency. Plots of the radiation patterns may also be... Platforms: Mac

An antenna design and electronics/electrical tool package. It takes you step by step through the design of the following types of antennas: - Dipole - Fat Dipole - Yagi - J-Pole - Super J-Pole - Log Periodic - Cubic Quad - Vertical - helical It also performs the following calculations: -... Platforms: Mac

NeoDatis ODB is a very simple object oriented database that currently runs on the Java Platform and is being ported to .Net and Mono. To avoid Impedance mismatch overhead between Object and Relational worlds, give a try to Neodatis ODB. NeoDatis ODB is a new generation Object Database: a real... Platforms: Windows, Mac, *nix, Java, BSD Solaris

linSmith is a Smith Charting program, mainly designed for educational use. As such, there is an emphasis on capabilities that improve the 'showing the effect of'-style of operation. Postscript output It's main features are: * Definition of multiple load impedances (at different frequencies) *... Platforms: *nix, C/C++, BSD