Analog & Digital Electronics — Winter 2020

Define Slew Rate, CMRR, & Input Offset Voltage.

Compare inverting and non-inverting op-amps.

Draw & explain in detail the logic diagram & the truth table of clocked SR flip-flop.

Draw block diagram of an op-amp.

Draw and explain working of zero crossing detector.

List out and discuss all the ideal characteristics of an op-amp.

For an inverting amplifier, V = 1V, V = 3V, V = 2V with R = R = R = 2KΩ and R = 3KΩ. Determine the output voltage. F

Design an R-Cphase shift oscillator to produce a sinusoidal output at 1KHz, using capacitor value 0.01 μF.

Write a short note on instrumentation amplifier using op-amp.

Explain the application of an op-amp as an integrator.

Design full adder logic circuit using 3 x 8 decoder and OR gates.

Explain the circuit diagram of op-amp as a Peak detector.

Design D FF using SR FF. Write truth table of D FF.

Minimize following Boolean function using K-map: F(A,B,C,D) = Π M(1, 2, 3, 8, 9, 11, 14) • d(7, 15)

Given a logic function: Z = ABC + BC’D + A’BC.

Make a truth table.

Simplify using K-map.

Realize simplified function using NAND gates only.

Minimize following Boolean function using K-map: Y(A,B,C,D) = Σ m(0, 3, 5, 6, 9, 10, 12, 15)

Implement the following logic function using 8:1 multiplexer: F(A, B, C, D) = ∑ m(0, 1, 3, 4, 8, 9, 15)

Design a 4-bit synchronous down counter using Tflip-flops.

Compare combinational logic circuit with sequential logic circuit.

Draw basic internal structure of 7490 ripple counter IC. Design BCD counter using 7490 IC.

Draw & explain R-2R ladder D/Aconverter with necessary equations.1

Draw the logic diagram of 4-bit ripple up counter using JK FFs.

Write a brief note on quantization and encoding.

List out various commonly used A/Dconverters. Draw & explain Flash A/D converter with necessary decoding table. Also mention pros & cons of the same.