Subject: Analog And Digital Electronics Unit 01: Design of combinational circuit By Mr. C.R.Shinde Electrical Engineering Department Matoshri College of Engineering & Research centre, Nashik
Unit 01 : Design of combinational circuit M1:-Introductions M2:- Booleans algebra, De-Morgan theory. M3:- Karnaugh map: structure for two, three and four Variables, SOP and POS form reduction of Boolean expressions by K-map. M4:- Design of combinational circuits using Boolean expression and K-map. M5:- encoder, decoder, half and full adder. Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 2
half and full adder. Unit 1_Module5 3 Matoshri College of Engineering & Research Center Nashik
Half Adder Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 4 Only add single bit . It does not take carry from previous sum
LOGIC DIAGRAM HALF ADDER Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 5
Full Adder Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 6
For sum Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 7 C AB 1 00 1 01 1 11 1 10 1
SUM LOGIC DIAGRAM Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 8
For carry Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 9 C AB 1 00 01 1 11 1 1 10 1
LOGIC DIAGRAM FULL ADDER Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 10
ENCODERS Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 11 Encoder is combinational circuit that generate a specific code at its output. Block diagram of encoder.
Types of encoder Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 12 Priority encoder Decimal to BCD encoder Octal to binary encoder. Hexadecimal to binary encoder.
Priority encoder Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 13
Application of encoder. Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 14 Email Video encoder Communication system and networking.
DECODER Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 15 DECODER is a combinational circuit that convert an n-bit binary code to coded output.
3:8 line decoder Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 16
Application of decoder Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 17 BCD to 7 segment decoder. Address decoding Code converting Implement Boolean function.
Thank you Mr. C. R. Shinde Electrical Engineering Department Matoshri College of Engineering & Research centre, Nashik If you have any query, ask me anytime on…… … .. . . . [email protected][email protected] 9970031353 Unit 1_Module5 Matoshri College of Engineering & Research Center Nashik 18