Nov 18, 2016

EBOOK - Beginner's Guide to Reading Schematics (Stan Gibilisco)

Have you “caught the electronics bug,” only to grow sick with apprehension as you encountered diagrams with arcane symbols the moment you decided to build, troubleshoot, or repair something? If so, you’re holding the cure in your hands right now.
A little knowledge of electronics symbology can eliminate a lot of fear and confusion. Don’t give up electronics just because you’ve come across some spooky graphics. That would be like giving up a sport because you fear the pain of training.

That’s where the coach comes in! A good coach streamlines your training in any sport and helps you get past the pain. Schematic diagrams, well drawn and clearly portrayed, can help you to design, build, maintain, troubleshoot, and repair electronic quipment.
Schematic diagrams are like road maps of electronic highway networks. These rawings can help you find your way through the elements of simple circuits, complex devices, and massive systems. Once you’ve learned what the symbols and notations stand for, reading a schematic will come as easily to you as planning a trip with the
aid of a road atlas.

What’s the scheme?  1
Block diagrams  2
Schematic diagrams  2
Schematic symbology  4
Schematic interconnections  6
Visual language  8
2 Block diagrams  13
A simple example  13
Functional drawings  13
Current and signal paths  16
Flowcharts  18
Process paths  22
Summary  24
3 Component symbols  25
Resistors  25
Capacitors  30
Inductors and transformers  34
Switches  39
Conductors and cables  43
Diodes and transistors  46
Electron tubes  49
Cells and batteries  53
Logic gates  54
Summary  56
4 Simple circuits  57
Getting started  57
Component labeling  66
Troubleshooting with
schematics  71
A more complex circuit  75
Schematic/block combinations  78
Summary  81
5  Complex circuits  83
Identifying the building blocks  83
Page breaks  91
Some more circuits  94
Getting comfortable with large
schematics  106
Summary  111
6 Let’s learn by doing  113
Your breadboard  113
Wire wrapping  117
Kirchhoff’s current law  119
Kirchhoff’s voltage law  123
A resistive voltage divider  125
A diode-based voltage reducer  132
Mismatched lamps in series  137
Summary and conclusion  144
A Schematic symbols  145
B Resistor color codes  163



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