28 Electronic and Electro-Mechanical
Drafting I (2) CSU Lecture 1 hour; Laboratory 2 hours.
Introduction to Computer Aided Drafting as applied
to Electronics. Using CAD programs to draw schematic symbols and diagrams,
flow charts , block diagrams, highway and logic diagrams. Printed circuit
board design and layout. Introduction to assembly and construction
drawings. Schematic capture using Pspice. Introduction to printed
circuit board design computer programs.
Electronics 28 Course Outline
- General computer aided design (CAD) introduction.
- Pictorial drawings, boarders, title blocks, line widths, text generation,
relative and absolute coordinates.
- Schematic symbols, title blocks and boarders.
- The schematic diagram introduction, schematic symbol libraries, layout
- Wiring and layout diagrams, centering, package designators.
- Highway drawings. Conversion from schematic to highway.
Pin numbers and package identification.
- Logic Diagrams. AND, OR, NOT, EXOR gate symbols. Medium
and large scale integrated circuit schematic symbols.
- Drawings involving integrated circuits. Layout and labeling considerations.
- Interconnecting system, block and flow diagrams.
- Flow charts. Start, process, decision, and stop blocks.
Arrow and text placement. Top down and signal flow considerations.
- Design of single sided printed circuit boards. Component placement
considerations. Pad and path sizes. Component dimensions.
- Component layout techniques and considerations. Drill and pad
layout. Etched pattern design considerations.
- Advanced single sided printed circuit boards. Utilizing drawing
layers with colors. Introduction to double sided printed circuit boards
and auto-routing PCB programs.
- General design criteria and specifications and introduction to assembly
- Racks, panels and cases for electronics. Course review.