Linear and Digital Integrated Circuits

 LINEAR AND DIGITAL INTEGRATED CIRCUITS

Unit I :

Operational Amplifiers (Black box approach): Characteristics of an Ideal and Practical Operational Amplifier (IC 741),

Open and closed loop configuration,Frequency Response. CMRR. Slew Rate and concept of Virtual Ground.

Applications of Op-Amps: (1) Inverting and non-inverting amplifiers, (2) Summing and Difference Amplifier, (

3) Differentiator,  (4) Integrator, (5) Wein bridge oscillator,(6) Comparator and Zero-crossing detector, and

 (7) Active low pass and high pass Butterworth filter (1st order only).


Unit II :

Number System and Codes: Decimal, Binary, Octal and Hexadecimal number systems,base

conversions. Representation of signed and unsigned numbers, BCD code. Binary,octal and

hexadecimal, arithmetic; addition, subtraction by 2’s complement method, multiplication.

Logic Gates and Boolean algebra: Truth Tables of OR, AND, NOT, NOR, NAND, XOR,

XNOR, Universal Gates, Basic postulates and fundamental theorems of Boolean algebra. 


Unit III :

Combinational Logic Analysis and Design: Standard representation of logic functions (SOP and POS), 

Minimization Techniques (Karnaugh map minimization up to 4 variables for SOP). 

Arithmetic Circuits: Binary Addition. Half and Full Adder. Half and Full Subtractor, 4-bit binary Adder/Subtractor.

Data processing circuits: Multiplexers, De-multiplexers, Decoders, Encoders.


Unit IV :

Sequential Circuits: SR, D, and JK Flip-Flops. Clocked (Level and Edge Triggered) Flip-Flops.

Preset and Clear operations. Race-around conditions in JK Flip-Flop. Master-slave JK Flip-Flop.

Shift registers: Serial-in-Serial-out, Serial-in-Parallel-out, Parallel-in-Serial-out and 

Parallel-in-Parallel-out Shift Registers (only up to 4 bits)

Counters (4 bits): Ring Counter. Asynchronous counters, Decade Counter, Synchronous Counter.

D-A and A-D Conversion: 4 bit binary weighted and R-2R D-A converters, circuit and working.

Accuracy and Resolution. A-D conversion characteristics, successive approximation ADC.

(Mention of relevant ICs for all). (4 Lectures)