Digital Electronics Lab

The lab. is well maintained with I.C. components, oscilloscopes and well supported with testing facilities and instrumentation.

 

Specifications of Equipments

 

EQUIPMENT NAME

SPECIFICATION

D.C.Power Supply

0-30V, 1A, Aplab make, model: 7111

Oscilloscope

Scientific Make, 30MHz, model: HM 203

Function Generator

Aplab make, 1MHz, Model No.2011

IC Trainer Kit

Two 40-pin IC bases, single bread board, multiple I/O

 DE Lab

Exercises Conducted:

1.       Simplification, realization of Boolean expressions using logic gates/Universal gates.

2.       Realization of Half/Full adder and Half/Full Subtractors using logic gates.

3.       (i) Realization of parallel adder/Subtractors using 7483 chip

       (ii) BCD to Excess-3 code conversion and vice versa.

4.       Realization of Binary to Gray code conversion and vice versa

5.       MUX/DEMUX – use of 74153, 74139 for arithmetic circuits and code converter.

6.       Realization of One/Two bit comparator and study of 7485 magnitude comparator.

7.       Use of a) Decoder chip to drive LED display and b) Priority encoder.

8.       Truth table verification of Flip-Flops: (i) JK Master slave (ii) T type and (iii) D type.

9.       Realization of 3 bit counters as a sequential circuit and MOD – N counter design (7476, 7490, 74192, 74193).

10.    Shift left; Shift right, SIPO, SISO, PISO, PIPO operations using 74S95.

11.    Wiring and testing Ring counter/Johnson counter.

12.    Wiring and testing of Sequence generator.