Analog & Digital Electronics — Winter 2022

Define the following

Input Offset Current

Slew Rate

Input Bias Current

Explain the ideal voltage transfer characteristics of Op-Amp.

Draw the block schematic of a typical operational amplifier Op-Amp and briefly explain the function of each block.

Explain the procedure of offset voltage compensation in an op amp.

Explain voltage follower with it’s application.

Draw and explain working of Op-amp base Wien Bridge oscillator with it’s advantages and application.

With neat circuit diagram explain the working of an Integrator with relevant waveforms.

Implement the following logic function using the 8:1 multiplexer. F(A,B,C) =ΠM(0,1,3,5,7)

Minimize the following expression and realize using basic gates. Y=Σ m(0,2,5,6,7,8,10,13,15)

Simplify the Boolean function F= A B C +AB D + A B CD using don’t care conditions d= ABC +A B Din 1) Sum of products (SOP)and 2) Product of sums(POS) by means of K Map and implement it with no more than two NOR gates. Assume that both the normal and complement inputs are available.

Compare Multiplexer and Demultiplexer.

Explain how Demultiplexer can be used as a 3:8 Decoder.

Derive full subtractor with the help of necessary truth table and K –map. Also express in terms of logic diagram.

What are Preset and Clear inputs with flip flop? Why are they provided with flip flop?

Classify the various modes of operation of shift register.

Explain the working of Master Slave JK flip flop.

Differentiate between combinational logic circuit and sequential logic circuit.1

Write a short notes on Parallel in serial out shift register.

Explain S Rflip flop with it’s working operation.

Compare various D/Aconverters.

Define 3- bit parity generator circuit using even parity bit.

Explain R-2R ladder DAC with necessary diagram.

Define following specification of ADC 1)Conversion Time 2)Resolution 3)Quantization

State the difference between Asynchronous and Synchronous counters.

Explain working of Successive approximation type ADC .2