Electrical Drawings

Electrical Drawings PowerPoint PPT Presentation


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Ken Youssefi. UC Berkeley. 2. Types of Electronic Diagrams . Schematic DiagramsUsing graphic symbols, shows the electrical connections andfunctions of a specified circuit arrangement.Wiring DiagramsRepresents the actual wiring between component devices inelectrical equipment. Shows internal or external connections, orboth. Wiring Harness Diagram Logic DiagramsShows logic gates and components.Printed Circuit Board Drawing (PCB)PC boards replace hand-wiring manufacturing methods. .

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Electrical Drawings

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1. Ken Youssefi UC Berkeley 1 Electrical Drawings

2. Ken Youssefi UC Berkeley 2 Types of Electronic Diagrams Schematic Diagrams Using graphic symbols, shows the electrical connections and functions of a specified circuit arrangement. Wiring Diagrams Represents the actual wiring between component devices in electrical equipment. Shows internal or external connections, or both. Wiring Harness Diagram Logic Diagrams Shows logic gates and components. Printed Circuit Board Drawing (PCB) PC boards replace hand-wiring manufacturing methods.

3. Ken Youssefi UC Berkeley 3 Schematic Drawings

4. Ken Youssefi UC Berkeley 4 Wiring Diagrams

5. Ken Youssefi UC Berkeley 5 Wiring Diagrams

6. Ken Youssefi UC Berkeley 6 Wiring Diagrams

7. Ken Youssefi UC Berkeley 7 Wiring Diagrams

8. Ken Youssefi UC Berkeley 8 Logic Diagrams

9. Ken Youssefi UC Berkeley 9 Printed Circuit Board Drawings (PCBs) Schematic Drawing Provides the basis of a circuit board. Logic diagram is used for integrated circuits. Artwork Drawing – Component side Artwork drawings are used to create the mask that will actually create the etched circuit. The component side artwork shows the circuitry that will be etched on the same side as the circuit components.

10. Ken Youssefi UC Berkeley 10 Printed Circuit Board Drawings (PCBs)

11. Ken Youssefi UC Berkeley 11 Printed Circuit Board Drawings (PCBs)

12. Ken Youssefi UC Berkeley 12 Printed Circuit Board Drawings (PCBs)

13. Ken Youssefi UC Berkeley 13 Printed Circuit Board Drawings (PCBs)

14. Ken Youssefi UC Berkeley 14 Sources of Standardized Codes and Symbols ANSI - American National Standards Institute - Graphic Symbols for Electrical and Electronic Diagrams - ANSI / IEEE Government standard for military contractors MIL - STD – 275 Printed Wiring for Electronic Equipment MIL - STD – 429 Printed Wiring and Printed Circuits – Terms and Definitions MIL - STD – 454 Standard General Requirements for Electronic Equipment MIL - STD – 681 Identification Coding and Application of Hook Up and Lead Wire MIL - STD – 1495 Multi-layer Printed Wiring Boards for Electronic Equipment Underwriters’ Laboratory (UL) - Safety codes & consideration

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