Page 6 - Template EBook Kita (A4 Document)

CONTENTS

TOPIC 1: INTRODUCTION TO 555 TIMER

Overview 1
What is 555 Timer? 3

Internal circuitry of 555 Timer 4
What inside in 555 Timer? 5

Pin configuration 7
Pin Assignment 8
S Application of 555 Timer 11

T Examples 12

N Test Yourself 14

E TOPIC 2: MONOSTABLE MODE

T Schematic circuit 16

N Output waveform 17
Circuit operations 18
O Effect of varying the values of components. 20

C Examples 21

Test Yourself 22
F

O TOPIC 3: ASTABLE MODE

Introduction to Astable Mode 23
E Schematic circuit 24

L Output waveform 25
Circuit operations 26
B What is Duty Cycle? 27

A Formula for generating delay time 28

T Examples 30
Generate a duty cycle of less/more than 50%. 32

How does the circuit work? 33
Examples 34

Test Yourself 35

E B O O K 2 0 2 2