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Engineer Mir ABM Jakir Hossain

Information obtained in this work has been obtained by Dynamic Publication, Inc. from

sources to be believed to be reliable. However, neither Dynamic Publication nor its

author’s gurantee the acuracy or completeness of any information published herein and

neither Dynamic Publication nor its authors shall be responsible for any errors, omissions

or damage arising out of use of this information. This book published with the

understanding that Dynamic Publication and its authors are supplying information but not

attempting to render engineering or other professional services. If such services are

required, the assistance of an appropriate professional should be sought.

HATEE KOLOME SIKHI – DIGITAL ELECTRONICS

Copyright © 2013 by Dynamic Publication, Inc. All rights reserved. Printed in the

People Republic Of Bangladesh. Except as permitted under the People Republic Of

Bangladesh Copyright Act, no part of this publication may be reproduce or distributed in

any form or by any means, or stored in a data base or retrieval system, without the prior

written permission of the publisher.

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please contact, Director of Special Sales, Dynamic Publication, Phone – 8130600 or

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contact your local bookstore.

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6

।

।

, ,

Chapter

1

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7

। ?

, ।

, . , .

; ,

।

8

, ,

,

,

,

।

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10

।

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11

X X X

X X X X X

X X X X X

12

Most Significant bit]

Less Significant Bit]।

।

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14

(BCD)

(BCD)

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15

(2’s Compliment)

16

=

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17

,

, ’

,

’

+ =

- =

_________________

=

T = 1/f । T = 10ns f = 1/10ns = 100

MHZ

18

।

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20

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21

,

, ,

, , , , ,

Chapter

2

22

,

,

,

,

,

,

IN OUT

0 1

1 0

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24

,

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25

,

,

A B OUT

0 0 0

0 1 0

1 0 0

1 1 1

A B OUT

0 0 1

0 1 1

1 0 1

1 1 0

26

A B OUT

0 0 0

0 1 1

1 0 1

1 1 1

A B OUT

0 0 1

0 1 0

1 0 0

1 1 0

,

A B OUT

0 0 0

0 1 1

1 0 1

1 1 0

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27

,

A B OUT

0 0 1

0 1 0

1 0 0

1 1 1

28

D + W

D

W

L

Alarm = (D+W).L’

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30

Vcc ।

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31

1.

2. CTRL+J

Search Component

AND Search

3. AND 2 OK OK

4. Battery, SPST, GND, PROBE

32

5. F5

6.

7. Logic

Converter

8.

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33

9.

10.

11.

34

12.

13.

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35

,

Chapter

3

36

T S

F = T’ + S’ + E’

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37

,

, A+B = B+A

, A+(B+C) = (A+B)+C

, A*(B*C) = (A*B)*C

, A(B+C) = AB+AC

38

A+0 = A

A+1 = 1

A.0 = 0

A.1 = A

A+A = A

A+A’ = 1

A.A = A

A.A’ = 0

A’’ = A

A + AB = A

A+A’B = A+B

(A+B)(A+C) = A+BC

AB + A’C + BC

AB + A’C

AB + A’C + BC

’। ’

,

X’Y’ = X’ + Y’

(X+Y)’ = X’Y’

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39

।

A’.B’ = 0

A’.B’ = A’ + B’

A’ + B’ = 0 A’ + B’ = A’.B’

40

।

।

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42

।

।

X Y

X’ Y’ X + Y

X’ Y X + Y’

X Y’ X’ + Y

X Y X’ + Y’

F1 = m1+m2+m7

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43

000 – 001 – 010 – 011 – 100 – 101 – 110 – 111

m1, m4, m7

001, 100, 111

001 = X’Y’Z, 100 = XY’Z’, 111 = XYZ F1 = X’Y’Z + XY’Z’ + XYZ

Sum of Product ।

A, B, C, D, E, F

44

X = AB + CD + EF

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45

X = (A+B) (C+D) (E+F)

46

A B

A, B C

।

0 1

0

1

ab

, , 1,2,3,5,6F a b c m

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47

, ,F a b c ab bc bc ab b c

48

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49

F F

1. CTRL+J

2. Search

50

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52

, , , ।

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