Experiment 1

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# Experiment 1 - PowerPoint PPT Presentation

Experiment 1. * Part A: Circuit Basics, Equipment, Sound Waves * Part B: Resistors, Circuit Analysis, Voltage Dividers * Part C: Capture/PSpice. Part A. Circuit Basics Equipment Sound Waves. Automobile Electronics. Previously all mechanical systems have become increasingly electronic

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## PowerPoint Slideshow about 'Experiment 1' - hoshiko

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### Experiment 1

* Part A: Circuit Basics, Equipment, Sound Waves

* Part B: Resistors, Circuit Analysis, Voltage Dividers

* Part C: Capture/PSpice

Part A
• Circuit Basics
• Equipment
• Sound Waves
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?
Alternating Current Generators

http://micro.magnet.fsu.edu/electromag/java/generator/ac.html

Do Not Use

TOGGLE OUTPUT ON/OFF

-25 to 0 VOLTS

0 to 6 VOLTS

GROUND

GROUND

0 to 25 VOLTS

DC Source E3631A
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.
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)
How Ears Work

http://members.aol.com/tonyjeffs/text/dia.htm

Part B
• Resistors
• Circuit Analysis
• Voltage Dividers