Circuits Software

NYCT automatic signal system circuits.

BREAKTRU AUTOSIM
 

BREAKTRU SOFTWARE
 

A simulation of a NYC Transit Authority train traveling by automatic signals with working stop arms. Working circuit drawings show how the signal system relays function while the train passes over track circuits. Good learning tool. Real photos used in the program design.

Keywords: signals trains subway circuits nx signal system transit railroad demo home family fun simulation nyc transit authority train traveling automatic signals

The Ham Intelligent Calculator

HAMIC
 

SweetScape
 

HAMIC, the HAM Intelligent Calculator, is designed to aid HAM perform a number of calculations. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported.

Keywords: ham calculator circuits networks swr reactance resistors capacitors impedance inductance frequency l-network pi-network t-network perform circuit network calculations swr reactance conversions

 
Electronic PCB layout application

Rimu PCB
 

Hutson Systems
 

PCB Designer is a cost effective, easy to use electronic printed circuit board PCB layout application. Features: Export Gerber RS274X and Excellon NC drill. Import ASCII netlist. Up to 16 layer boards supported. Rulers, Guidelines and Dimensioning lines. Five libraries - new components and libraries can be added. Automated ground planes, isolated copper removal. Tracks snap to pads for easy routing. Multiple Undo / Redo.

Keywords: cad cam ecad eda electronic electronics circuits circuit p-c-b pcb pcbs pwb p-w-b gerber nc drill rs274x software shareware design printed board vias tracks

 

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