SCHEMATICSBasic Electronics Refresher            By    Chris Franckowiak
WHAT ARE SCHEMATICS?A schematic is a structural or procedural diagram, especially of an electrical ormechanical system.sch...
SCHEMATICS•   Used to graphically represent what a circuit is doing and how it is functioning.•   An atlas or roadmap of a...
COMMON SYMBOLS•   The following slides look at some of the most common symbols found in electrical    schematics•   Not al...
RESISTORS                    •    Fixed Resistor                  •   Variable Resistor (Pods) • A resistor is part of an ...
INDUCTORS                  •    Air Core Inductor                     •   Variable Inductor• A passive electrical componen...
CAPACITORS•   A passive electrical component used to store energy in an electric field•   Used to block DC while allowing ...
DIODES                         General                                           Gunn•   Many types (Zener, Avalanche, Gun...
COMMON SYMBOLS                    •   Tie Points• Tie Points show things that are connected• Considered a path
GROUND                        Earth                                       Chassis•   Different types of grounds•   Earth g...
CONDUCTORS•   Tie Points and overlapping lines•   How current reaches individual components (resistors, capacitors, etc..)
SWITCHES•   Many, many types•   Classified by poles, throw•   Used to redirect current flow
TRANSISTORS•   Many different types•   Used to amplify and switch electronic signals
BATTERY•   Power supplies•   DC, AC
INDUCTORS•   Known as chokes, coils•   Stores energy in its electrical field•   Many types as well
GATES•   Logic gates•   And, OR, NAND, NOR, NOT, XOR, XNOR•   Can be used to store data
CONCLUSION•   Symbols represent how the circuit functions•   Many slides could be made for each component (this is just a ...
Schematic powerpoint
Schematic powerpoint
Schematic powerpoint
Schematic powerpoint
Schematic powerpoint
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Schematic powerpoint

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A brief description of common electrical schematic symbols.

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Schematic powerpoint

  1. 1. SCHEMATICSBasic Electronics Refresher By Chris Franckowiak
  2. 2. WHAT ARE SCHEMATICS?A schematic is a structural or procedural diagram, especially of an electrical ormechanical system.schematic. (n.d.) The American Heritage® Dictionary of the English Language,Fourth Edition. (2003). Retrieved June 25 2012 fromhttp://www.thefreedictionary.com/schematic
  3. 3. SCHEMATICS• Used to graphically represent what a circuit is doing and how it is functioning.• An atlas or roadmap of an electrical circuit
  4. 4. COMMON SYMBOLS• The following slides look at some of the most common symbols found in electrical schematics• Not all-inclusive – many others used
  5. 5. RESISTORS • Fixed Resistor • Variable Resistor (Pods) • A resistor is part of an electrical circuit that resists the flow of current • Measured in Ohms after Ohms Law • Ohms Law: I (current) = V (Voltage) / R (Resistance)
  6. 6. INDUCTORS • Air Core Inductor • Variable Inductor• A passive electrical component that stores energy in its magnetic field• Also known as coils and chokes• Used in analog circuits and signal processing
  7. 7. CAPACITORS• A passive electrical component used to store energy in an electric field• Used to block DC while allowing AC to pass (filter)• Smoothing outputs of power supplies
  8. 8. DIODES General Gunn• Many types (Zener, Avalanche, Gunn, IMPATT)• Low resistance to current flow in one direction and high (indefinite) resistance in the other direction• Used in rectifiers
  9. 9. COMMON SYMBOLS • Tie Points• Tie Points show things that are connected• Considered a path
  10. 10. GROUND Earth Chassis• Different types of grounds• Earth ground tied to earth• Chassis ground tied to common ground on the circuit/equipment
  11. 11. CONDUCTORS• Tie Points and overlapping lines• How current reaches individual components (resistors, capacitors, etc..)
  12. 12. SWITCHES• Many, many types• Classified by poles, throw• Used to redirect current flow
  13. 13. TRANSISTORS• Many different types• Used to amplify and switch electronic signals
  14. 14. BATTERY• Power supplies• DC, AC
  15. 15. INDUCTORS• Known as chokes, coils• Stores energy in its electrical field• Many types as well
  16. 16. GATES• Logic gates• And, OR, NAND, NOR, NOT, XOR, XNOR• Can be used to store data
  17. 17. CONCLUSION• Symbols represent how the circuit functions• Many slides could be made for each component (this is just a review of what you will see)• By knowing what each one is and how they work – schematics become very familiar• It is a learning process
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