JNTU B.Tech III LINEAR AND DIGITAL IC APPLICATIONS Previous Question Paper (March - 2024 - R16)

What are the features of 723 Regulator?

Explain the precautions that can be taken to minimize the effect of noise on an Op-amp circuit.

What is an all-pass filter? Mention some of its application.

Why do we use higher order filters? Give the relationship between order of a filter and roll off rate?

Define settling time and stability of data converters.

The LSB of a 10-bit DAC is 20mv. Calculate the output voltage for an input, 1011001101

Explain noise margin and propagation delay with respect to CMOS logic.

Explain about magnitude comparator.

Explain the application of Shift registers.

Describe types of ROMS and applications.

Design and explain the operation of inverting summing amplifier? What is its output voltage.

Derive the output voltage V_O of practical integrator circuit.

Draw the circuit diagram of an instrumentation amplifier, explain its working. How is it different from a single Op-amp differential amplifier?

Explain the working of a Schmitt trigger with neat circuit diagram.

Explain the operation of 2nd order butter worth HPF and derive an expression for voltage gain.

Design an Astable multivibrator having an output frequency of 10 KHz with a duty cycle of 50% using 555 timer.

Draw the circuit of a Op-amp based triangular-wave generator, explain its operation and derive expressions for frequency of oscillations.

Draw the block diagram of 565 PLL and explain about each block. Make circuit connections to track the input signal and explain its operation.

With the schematic of Inverted R – 2R type DAC explain its function. What are its limitations?

With a schematic explain the operation of a dual slope type Analog – to Digital converter.

An 8 – bit A/D converter gets an input voltage of 0 to 5 volts. Find the minimum value of input voltage that can be read as an LSB at the output. Define resolution of an ADC.

With a neat sketch, explain the operation of an n-bit Weighted Resistor DAC and obtain expression for its output.

List out TTL families and compare them with reference to propagation delay, power consumption, speed-power product and low-level input current.

Design 8:1 multiplexer using two 4:1 multiplexer? Write the truth table and draw the logic diagram.

Distinguish between static and dynamic power dissipation of a CMOS circuit? Derive the expression for dynamic power dissipation.

Interpret Parallel binary adder with a circuit diagram.

Design a decode counter using Jk-Flip-Flop.

Explain how a 4×4 binary multiplier can be designed using 256x8 ROM.

Design a synchronous counter using 74XX ICs and explain its working with timing waveforms.

Draw the internal structure of synchronous SRAM and explain its operation.