AIM: Design of a Seven-Segment display using IC-7447



EC 4102 : DIGITAL ELECTRONICS LABORATORY

LIST OF EXPERIMENTS:

COMPULSORY EXPERIMENTS:

1. Design and realization of Parity bit checker using IC 7486

2. Design and realization of 4:2 line encoder using IC 7432

3. Design and realization of 4-bit magnitude comparator using IC 7485

4. Assembling of a seven segment decoder using IC 7447 and IC 7404

5. Design and testing of SR and JK Flip-flop using IC 7400 & IC 7402

6. Design of a 2 bit binary parallel adder using IC CD4030 and IC CD4081

7. Design of an Astable Multivibrator (using IC 555 Timer) and observe the output waveforms

8. Design of an Monostable Multivibrator (using IC 555 Timer) and observe the output waveforms

9. Design and testing of 2 : 1 multiplexer and CMOS switch using IC CD4066

10. Design of a 4 bit serial in serial out shift register using IC CD4027 and 555 timer

11. Design of a Modulo-9 ripple counter using IC CD4029 and IC CD4091

12. Design of a Schmitt Trigger Circuit (using IC 741 OPAMP) & observation of the output waveforms.

OPTIONAL EXPERIMENTS:

13.

i. Design and realization of Binary to Gray code converter using IC 7486

ii. Design and realization of Gray to Binary code converter using IC 7486

14. Design of an EX-OR gate using minimum number of 2 input NAND gates IC7400

15. Design and realization of an odd parity generator using IC7486

16. Design of a 1 bit half substractor using IC CD4066

17. Design and realization of 4:16 Decoder using 1:4 De-multiplexer

18. Design of a modulo 256 ripple counter using IC7493

19. Design of a 4 : 16 line decoder using IC CD4514

20. Reading 8 specified address location of a programmed IC Intel 2716

21. Storing a nibble in an IC 2114 RAM and read it.

DEPARTMENT

OF

ELECTRONICS AND COMMUNICATION ENGINEERING

DIGITAL ELECTRONICS LABORATORYORATORY

LAB INSTRUCTIONS FOR CARRYING OUT PRACTICAL

ON

DESIGN AND REALISATION OF A PARITY BIT CHECKER USING IC 7486

BIRLA INSTITUTE OF TECHNOLOGY

MESRA RANCHI

AIM: Design and realization of Parity bit checker using IC 7486

APPARATUS REQUIRED:

1. Wish Board

2. D.C. Power supply

Or

Trainer Kit (MicroLABORATORY-II)

CIRCUIT COMPONENTS:

1. IC7486

2. Connecting Wires

3. LED with resistors

PIN DIAGRAM:

GPIN DIAGRAM OF IC 7486

QUAD 2 INPUTS EX-OR GATE

[pic]

THEORY:

PROCEDURE:

1. Connect the circuit as shown in the circuit diagram.

2. Before switching ON Power Supply, make sure that the connections are correct.

3. Apply the input logic as per Truth Table in terms of +5 volts for state-1 and 0 volts for state-0.

4. Observe the output states.

5. Verify the result of truth ness.

6. Repeat steps from 3 to 5 for all possible combinations.

FUNCTION TABLE:

|Sr. No |INPUTS |PC |

| |X |Y |Z |P | |

|1 |0 |0 |0 |0 | |

|2 |0 |0 |0 |0 | |

|3 | | | | | |

|4 | | | | | |

|5 | | | | | |

|6 | | | | | |

|7 | | | | | |

|8 | | | | | |

RESULT:

PRECAUTIONS:

[pic]

DEPARTMENT

OF

ELECTRONICS AND COMMUNICATION ENGINEERING

DIGITAL ELECTRONICS LABORATORY

LAB INSTRUCTIONS FOR CARRYING OUT PRACTICAL

ON

DESIGN AND REALISATION OF A 4:2 LINE ENCODER

USING IC-7432

BIRLA INSTITUTE OF TECHNOLOGY

MESRA RANCHI

AIM: Design and realization of 4:2 line encoder using IC 7432

APPARATUS REQUIRED:

1. Wish board

2. D.C. power supply

Or

Trainer Kit (MicroLABORATORY-II)

CIRCUIT COMPONENT:

1. IC 7432

2. Connecting Wires

3. LED with resistors

PIN DIAGRAM:

GPIN DIAGRAM OF IC 7432

QUAD 2 INPUTS OR GATE

[pic]

THEORY:

PROCEDURE:

1. Connect the circuit as shown in the circuit diagram.

2. Before switching ON power Supply, make sure that the connections are correct.

3. Apply the input logic as per Truth table in terms of +5 volts for state-1 and 0 volts for state-0.

4. Observe the Output state.

5. Verify the result of truthness.

6. Repeat steps from 3 to 5 for all possible combination.

FUNCTION TABLE:

|INPUT |OUTPUT |

|D0 |D1 |D2 |D3 |X |Y |

|1 |0 |0 |0 | | |

|0 |1 |0 |0 | | |

|0 |0 |1 |0 | | |

|0 |0 |0 |1 | | |

RESULT:

PRECAUTIONS:

[pic]

DEPARTMENT

OF

ELECTRONICS AND COMMUNICATION ENGINEERING

DIGITAL ELECTRONICS LABORATORY

LAB INSTRUCTIONS FOR CARRYING OUT PRACTICAL

ON

DESIGN AND REALISATION OF A 4-BIT MAGNITUDE COMPARATOR USING IC-7485

BIRLA INSTITUTE OF TECHNOLOGY

MESRA RANCHI

AIM: Design and realization of 4-bit magnitude comparator using IC 7485

APPARATUS REQUIRED:

1. Wish board

2. D.C. power supply

Or

Trainer Kit (MicroLABORATORY-II)

CIRCUIT COMPONENT:

1. IC7486

2. Connecting Wires

3. LED with resistors

PIN DIAGRAM:

THEORY:

PROCEDURE:

1. Connect the circuit as shown in the circuit diagram.

2. Before switching ON power Supply, make sure that the connection are correct.

3. Apply the input logic as per Truth table in terms of +5 volts for state-1 and 0 volts for state-0.

4. Observe the Output state.

5. Verify the result of truthness.

6. Repeat steps from 3 to 5 for all possible combination.

FUNCTION TABLE:

|Sl. No. |A |B |A>B |A ................
................

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