7/23/2019 Random Bit Generator Using Chua

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Random bit Generator Using Chua’s Circuit

- 3 0 . 7 6 m V

0

R 5

1 k

R 8

2 2 0- 4 . 8 9 6 u V

0

V

R 1 0

2 2 k

V

R 1 9

1 0 k

0

2 3 6 . 5 u V

R 6

1 k

0

C 3

1 0 n1

2

R 1 4

2 . 5 k

- 4 . 4 1 8 m V

V 2

9 V d c

- 4 . 8 9 6 u V

U 9

O P - 0 5 / L T3

2

             7

             4

6

8

1+

-

             V

           +

             V

      -

O U T

O S 2

O S 1

U 8

O P - 0 5 / L T

3

2

             7

             4

6

8

1+

-

             V

           +

             V

      -

O U T

O S 2

O S 1

- 4 . 2 2 0 m V

1 6 3 . 8 u V

R 9

2 2 0

U 1 1

L M 7 4 1

3

2

             7

             4

6

1

5+

-

             V

           +

             V

      -

O U T

O S 1

O S 2

R 1 7

1 0 k

4 9 . 9 6 m V

1 9 8 . 7 u VC 2

1 0 0 n1

2

2 . 2 3 3 V

R 1 1

2 2 k

O P - 0 5 / L T3

2

             7

             4

6

8

1+

-

             V

           +

             V

      -

O U T

O S 2

O S 1

- 1 9 . 1 7 u V

R 1 2

3 . 3 k

2 . 2 3 3 V

U 1 0

O P - 0 5 / L T

3

2

             7

             4

6

8

1+

-

             V

           +

             V

      -

O U T

O S 2

O S 1

V

V 1

9 V d c

R 4

1 0 0

0 V  - 4 . 0 1 6 m V

2 . 9 5 3 V

U 1 3

L M 7 4 1

3

2

             7

             4

6

1

5+

-

             V

           +

             V

      -

O U T

O S 1

O S 2

R 2 0

1 0 k

- 4 . 0 1 6 m V

C 1

5 0 n1

2

0 V

R 2 1

3 . 3 k

R 1 5

1 0 0 k

9 . 0 0 0 V

R 1 3

2 . 2 k

R 1 8

3 . 3 k

0

R 7

1 0 k

- 9 . 0 0 0 V

Simulation Results

A.Output at 10nF capacitor

7/23/2019 Random Bit Generator Using Chua

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B. Output across 100pf capacitor

• Output at 10pf capacitor - Red!

• Output at "chmitt trigger - Green!

• Output at #e$e% shifter - &io%et!

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Outputs on DSO:

Output at 10nF capacitor

Output at 100nF capacitor

7/23/2019 Random Bit Generator Using Chua

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Output at "chmitt 'rigger

Output at #e$e% "hifter