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Digital Electronics
NUMBER SYSTEM
BINARY CODES
BOOLEAN ALGEBRA
K MAPS
COMBINATIONAL CKT
SEQUENTIAL CIRCUITS
TIMING CIRCUITS
INTRODUCTION
555 TIMERS MONOSTABLE OPERATION
ASTABLE OPERATION
SCHMITT TRIGGER

 

INTRODUCTION

The timing circuits are the special purpose circuits which are generally used in digital circuits. We have the following important types of timing circuits:

1. 555 Timers are used in timing circuits very often as they are more reliable and lost cost. We have the two modes of operation of 555 Timer:                

  • Monostable operation
  • Astable operation

2. Schmitt Trigger: This is used to sharpen up falling and rising edges of DATA signal.

 

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