Oscilloscope
Basics How to Use Handbooks
on CD
CD
Contents:
5 Publications
1 BASIC
OSCILLOSCOPE 41 p
2 USING THE OSCILLOSCOPE 49 p
3 PC Oscilloscope 9 p
4 Electronics Safety 50 p
5 SHOP PRACTICES AND SAFETY 40
Oscilloscope Basics
How to Use Handbooks on CD
Electronically speaking, an
oscilloscope is a device that makes the invisible
become visible. The invisible things we are
interested in seeing are the galaxy of different
electronic signals present in electronic
circuitry. Connect the oscilloscope to any signal
circuit and you can follow the progress of the
ever-growing signal as it weaves its way from the
input to the output terminals. The luminous trace
on the oscilloscope's screen shows you the
signal's every up, down, and twist. As you move
the scope's probe from stage to stage, you can
view each stage's effect on the signal. What can
you do with an oscilloscope? Because the
instrument is so versatile, it's hard to find a
point to begin talking about it. It can be used
to design circuitry, adjust variable component
values, and calibrate circuitry. It can also be
used to troubleshoot faulty circuitry when you
know the correct waveform at each point in the
circuit. You just move the probe from stage to
stage until you find an out-of-shape waveform.
You can also measure voltages of alternating and
direct currents and determine the frequency of
the cycles.
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Oscilloscope
Basics How to Use Handbooks
on CD
1 - BASIC
OSCILLOSCOPE
Section Page
TITLE PAGE
.............................................. i
TABLE OF CONTENTS
....................................... ii
INTRODUCTION
............................................ iv
LESSON 1: BASIC OSCILLOSCOPE
............................ 1
Learning Event 1: Describe the purpose and
the initial position of the basic controls
and switches of the basic oscilloscope
.............. 1
Learning Event 2: Interpret the voltage
amplitude and frequency measurements on the
basic oscilloscope by the use of screen grids
....... 15
Practice Exercise 1
................................. 34
Answers to Practice Exercise 1
...................... 37
2 - USING THE
OSCILLOSCOPE
LEARNING OBJECTIVES
Upon completing this chapter, you should be able
to:
1. Describe the purpose of the CRT used in the
oscilloscope.
2. Explain the operation of an oscilloscope.
3. Describe the purpose of the controls and
indicators found on an oscilloscope.
4. Describe the proper procedure for using a
dual-trace oscilloscope.
5. Describe the accessory probes available for
use with a dual-trace oscilloscope.
6. Explain the operation of the spectrum
analyzer.
7. Describe the purpose of the controls and
indicators found on the spectrum analyzer.
3 - PC Oscilloscope
PARTS AND MATERIALS
IBM-compatible personal computer with sound
card, running Windows 3.1 or better
Winscope software, downloaded free from
internet
Electronic keyboard (musical)
Mono (not stereo) headphone-type
plug for keyboard
Mono (not stereo) headphone-type
plug for computer sound card microphone input
10 k- potentiometer
INSTRUCTIONS
The oscilloscope is an indispensable test
instrument for the electronics student and
professional.
No serious electronics lab should be without one
(or two !). Unfortunately, commercial
oscilloscopes
tend to be expensive, and it is almost impossible
to design and build your own without another
oscilloscope to troubleshoot it! However, the
sound card of a personal computer is capable of
digitizing low-voltage AC signals
from a range of a few hundred Hertz to several
thousand Hertz
with respectable resolution, and free software is
available for displaying these signals in
oscilloscope
form on the computer screen. Since most people
either have a personal computer or can obtain one
for less cost than an oscilloscope, this becomes
a viable alternative for the experimenter on a
budget.
4 - Electronics
Safety
CONTENTS
CHAPTER P a g e
1 . Naval Safety . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 1-1
2 . Hazardous Materials . . . . . . . . . . . . .
. . . . . . . . . . . . 2-1
3 . Electronics Safety .
5 - SHOP PRACTICES
AND SAFETY
When you have completed this lesson, you should:
1. Recognize the importance of each individual in
the safe operation of a repair shop.
2. Be able to perform your work more easily,
faster, and better.
3. Be able to identify the tools commonly used in
electronic equipment repair.
4. Be able to properly care for tools and know
why this care is needed.
5. Know what safety means and how you can prevent
accidents.
6. Be able to apply artificial respiration or
mouth-to-mouth rescue breathing.
7. Be able to apply first aid to victims
suffering from burns.
8. Be able to control and stop external bleeding,
and to treat superficial lacerations and wounds.
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