ELECTRONICS

Differential amplifier, CMRR, ideal operational amplifier, Block diagram of typical OP-Amplifier, Open loop configuration : inverting and non-inverting amplifiers, Op-Amp with negative feedback,  Practical Op-Amp parameters : input offset voltage, input bias current , input offset current, output offset voltage, Frequency  response and stability, Applications of operational amplifier: adder, subtractor, voltage follower, integrator ,differentiator.

Oscillator Principle , Oscillator types, Hartley oscillator, Colpitt oscillator, Phase shift oscillator, Wein bridge oscillator, Crystal Oscillator
 Multivibrators: Monostable and Astable multivibrators, Bistable multivibrators, Square wave and triangle wave generation.

Combinational logic: Transistor as a switch, circuit realization of OR, AND, OR, NOR, NAND gates, Exclusive OR gate, Boolean algebra , De-Morgan Theorems, Simplification using Karnaugh map, Adder, subtractor, comparator, encoder, decoder, demultiplexer , data selector, multiplexer.

Flip-Flops, one - bit memory, RS flip-flop, J K flip flop, JK master slave flip-flop, T flip-flop, D flip-flop, shift registers , synchronous and asynchronous counters, Binary counter, Decade counter, Analog to Digital converter, Digital to Analog Converter

Introduction to microcomputers: memory , input/output , interfacing device 8085, CPU  Architecture, BUS timings, Demultiplexing the address bus, generating control signals , Instruction set , addressing modes , Illustrative programmes , writing Assembly language programmes, looping, counting and indexing , counters and timing delays, stack and subroutine.