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Understanding Circuit Basics and Analysis: A Deep Dive into Resistors and Sound Waves

This comprehensive guide explores the fundamentals of circuit basics, including equipment used in circuit analysis and sound wave principles, particularly in automobile electronics. Discover the significance of resistors, voltage dividers, and the impact of impedance on circuit functionality. Gain practical skills with tools like function generators and oscilloscopes. The guide also introduces simulation software, Capture/PSpice, for circuit analysis and design projects. Ideal for those looking to enhance their understanding of electronics and improve hands-on skills.

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Understanding Circuit Basics and Analysis: A Deep Dive into Resistors and Sound Waves

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  1. Experiment 1 * Part A: Circuit Basics, Equipment, Sound Waves * Part B: Resistors, Circuit Analysis, Voltage Dividers * Part C: Capture/PSpice

  2. Part A • Circuit Basics • Equipment • Sound Waves

  3. Automobile Electronics • Previously all mechanical systems have become increasingly electronic • Over the past few years, for example, the automobile has begun to use more computers (microcontrollers) • How many microcontrollers are typically found in a modern automobile?

  4. Automobile Electronics

  5. Physical Model for a DC circuit

  6. Physical Model for Resistance

  7. Physics vs. Electronics

  8. Ohm’s Law

  9. Alternating Current Generators http://micro.magnet.fsu.edu/electromag/java/generator/ac.html

  10. AC Circuits

  11. Review of Sinusoids

  12. General form of the Sinusoid

  13. ADJUST VOLTAGE LEVEL Do Not Use TOGGLE OUTPUT ON/OFF -25 to 0 VOLTS 0 to 6 VOLTS GROUND GROUND 0 to 25 VOLTS DC Source E3631A

  14. Function Generator 33120A

  15. Digital Multimeter 34401A

  16. Oscilloscope 54600B

  17. Impedance • Definition: a general measure of how a circuit affects the current through it. • Impedance = resistance + reactance • Impedance is used to refer to the behavior of circuits with resistors, capacitors and other components. • In a resistive circuit, impedance=resistance.

  18. Equipment Impedances • Each measuring device changes the circuit when you use it. • The impedance of the device helps you understand how much. • Device Impedances • Function Generator: 50 ohms • ‘Scope: 1Meg ohms • DMM (DC voltage): 10Meg ohms • DMM (AC voltage): 1Meg ohms • DMM (DC current): 5 ohms (negligible)

  19. Effect of Impedance on Circuit

  20. What to do

  21. How Ears Work http://members.aol.com/tonyjeffs/text/dia.htm

  22. Part B • Resistors • Circuit Analysis • Voltage Dividers

  23. Combining Resistors in Series

  24. Combining Resistors in Parallel

  25. Reading Resistors http://www.dannyg.com/javascript/res/resload.htm

  26. Measuring Voltage

  27. Voltage Dividers

  28. More on Voltage Dividers

  29. Kirchoff’s Laws

  30. Circuit Analysis (Kirchoff Method)

  31. Circuit Analysis (Combination Method)

  32. Protoboards

  33. Part C • Capture/PSpice • Circuit Analysis Software

  34. Capture

  35. Simulations

  36. PSpice

  37. Cursors

  38. Adding Traces

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