ISBN-10:
1566378583
ISBN-13:
9781566378581
Pub. Date:
01/28/2002
Publisher:
Goodheart-Willcox Publisher
Electronics Drafting / Edition 3

Electronics Drafting / Edition 3

by John Frostad
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Product Details

ISBN-13: 9781566378581
Publisher: Goodheart-Willcox Publisher
Publication date: 01/28/2002
Edition description: Older Edition
Pages: 202
Product dimensions: 8.50(w) x 10.80(h) x 0.50(d)
Age Range: 16 - 17 Years

Table of Contents

Chapter 1Introduction to Electronics Drafting7
Job Responsibilities7
Engineer's Responsibilities7
CAD Drafter's Responsibilities8
Job Levels in Drafting12
Detail Drafter13
Assembly Drafter13
Designer13
Checker13
Illustrator14
Drafting Supervisor14
Types of Companies15
Functionalized Companies15
Projectized Companies15
Government Contractors16
Skills Required17
Communication Skills17
Technical Skills17
Drafting Evaluations17
Chapter 2Block, Single Line, Flow, Decision, and Process Diagrams19
Types of Diagrams19
Block Diagrams19
Single Line Diagrams25
Flow Diagrams26
Chapter 3Electronics Symbols, Components, and References33
Relationship of Components and Symbols34
Resistor34
Fixed Resistors35
Variable Resistors35
Semiconductors37
Diode38
Zener Diode38
Bridge Rectifier39
Transistor39
Integrated Circuits40
Capacitors and AC/DC Components44
General Capacitor44
Variable Capacitor45
Polarized Capacitor45
Coil, Choke, or Inductor46
Solenoid46
Relays46
Transformer46
Switch48
Battery50
Antenna50
Protective Devices50
Crystal52
Oscillator53
Filters53
Tubes54
Connectors54
Cable, Conductor, or Wire54
Input and Output Devices54
Lights55
Meters57
Rotating Machinery58
Circuit Returns59
Components Values60
Standards60
Symbol Modifiers60
Chapter 4Schematic and Logic Diagrams63
Schematic and Logic Diagrams63
Schematic Diagrams63
Drafting Schematics64
Reference Designations68
Series and Parallel Circuits69
Logic Diagrams71
Types of Diagrams71
Logic Elements71
Chapter 5Schematic and Logic Diagrams83
Wiring Methods83
Schematic83
Wire List84
Point-to-Point Wiring Diagrams89
Pictorial Point-to-Point Drawing90
Highway Wiring Diagrams91
Baseline Diagrams91
Interconnections Diagrams92
Cable Assembly Drawings92
Wire (Cable) Harness Assembly Drawings92
Flexible Printed Wiring96
Typical Notes Used on Wiring Diagrams96
Reference Designations97
Component Representation97
Terminal Identification98
Chapter 6Printed Circuitry103
Schematic or Logic Diagrams103
Design Data103
Advantages of Printed Circuits105
PCB Layout105
Design Settings106
Conductors106
Board Size and Style107
A Sketch for a Layout109
Prepare Formal Layout110
Printed Circuit Artwork114
Creating the Manufacturing Tool114
Etching a PCB116
Printed Circuit Drawings119
Chapter 7Computer-Generated Printed Circuit Boards131
Dedicated Electronic Circuit Software131
Creating Symbols133
Parts134
Library Utilities135
PCBs135
Auto Routing the Board135
Component Placement136
Lines to Place First137
Clearances between Conductors137
Void Areas137
Routing Schedule138
Layer Controls139
Pad and Via Type139
Power and Ground Plane Mask139
Working with the Routing System139
Record of Placement of Components140
Chapter 8Enclosure Drawings143
Enclosure Drawings143
Fastening143
Welding144
Mechanical Fasteners145
Adhesives148
Preparing for Finishing Process148
Finishes148
Metals and Finishes149
Materials for Packaging149
Plastics149
Aluminums150
Steels151
Drawings for Weldments151
Working with Sheet Metal155
Bending Sheet Metal155
Sheet Metal Terms156
Calculating Bend Allowance160
Bend Dimensioning160
Figuring Set-Back for Flat Pattern161
Corner Bend Relief161
Limitations in Sheet Metal161
Dimensioning163
Methods of Dimensioning164
Dimensioning Terms165
Dimensioning Rules165
Angular Dimensions166
Developments166
Chapter 9Pictorial Drawings171
Pictorial Drawings171
Axonometric Drawings171
Isometric Drawings172
Oblique Drawings181
Selecting the View181
Cavalier Obliques181
Cabinet Obliques182
Holes in Oblique Drawings182
Exploded Drawings183
Reference Section187
Index197

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