Experiment 1
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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

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Experiment 1

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Experiment 1

Experiment 1

* Part A: Circuit Basics, Equipment, Sound Waves

* Part B: Resistors, Circuit Analysis, Voltage Dividers

* Part C: Capture/PSpice


Part a

Part A

  • Circuit Basics

  • Equipment

  • Sound Waves


Automobile electronics

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?


Automobile electronics1

Automobile Electronics


Physical model for a dc circuit

Physical Model for a DC circuit


Physical model for resistance

Physical Model for Resistance


Physics vs electronics

Physics vs. Electronics


Ohm s law

Ohm’s Law


Alternating current generators

Alternating Current Generators

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


Ac circuits

AC Circuits


Review of sinusoids

Review of Sinusoids


General form of the sinusoid

General form of the Sinusoid


Dc source e3631a

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


Function generator 33120a

Function Generator 33120A


Digital multimeter 34401a

Digital Multimeter 34401A


Oscilloscope 54600b

Oscilloscope 54600B


Impedance

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

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)


Effect of impedance on circuit

Effect of Impedance on Circuit


What to do

What to do


How ears work

How Ears Work

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


Part b

Part B

  • Resistors

  • Circuit Analysis

  • Voltage Dividers


Combining resistors in series

Combining Resistors in Series


Combining resistors in parallel

Combining Resistors in Parallel


Reading resistors

Reading Resistors

http://www.dannyg.com/javascript/res/resload.htm


Measuring voltage

Measuring Voltage


Voltage dividers

Voltage Dividers


More on voltage dividers

More on Voltage Dividers


Kirchoff s laws

Kirchoff’s Laws


Circuit analysis kirchoff method

Circuit Analysis (Kirchoff Method)


Circuit analysis combination method

Circuit Analysis (Combination Method)


Protoboards

Protoboards


Part c

Part C

  • Capture/PSpice

    • Circuit Analysis Software


Capture

Capture


Simulations

Simulations


Pspice

PSpice


Cursors

Cursors


Adding traces

Adding Traces


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