Analog Circuits-II — Summer 2021

What is capacitive and inductive crosstalk?

Draw and explain the circuit diagram of the DC Amplifier.

Why do we use the instrumentation amplifier? What is difference between differential and instrumentation amplifier? Draw the circuit diagram of Instrumentation amplifier and mention the gain equation.

What are the safety standards required for the medical amplifier?

Explain the mechanism of cooling and mention the advantages of a heat sink.

Write a note on grounding and shielding techniques.

What is the role of Isolation amplifier? Mention the types of isolation amplifier. Explain any one isolation amplifier in detail.

What are the problems associated with power supplies?

Differentiate between linear power supplies and switching power supplies.

Draw and explain the block diagram of a linear power supply.

Define the following parameters in detail. 1) Noise Floor 2) SNR 3) Noise corner frequency

Write a note on Shot Noise. Also, mention the equation for the shot noise calculation.

Write a brief note on noise colors.

Define the below-given terms. 1) Active vs Passive Filter 2) Analog vs Digital filter

Design 2nd order low pass filter circuit for cut of frequency 1.5 kHz.

Draw and explain 1st order wide bandpass filter for cut off frequency 500 Hz and 1500 Hz.

What is need for modulation?

Draw a circuit diagram of notch filter for the cut off frequency 50 Hz.

Write a note on amplitude modulation generation techniques.

Explain the need for pulse modulation.

What is the amplitude modulation? Derive the mathematical expression for amplitude modulation.

Comparison between PAM, PWM, and PPM.1

Draw and explain the block diagram of FM Transmitters.

What is frequency modulation? Derive the mathematical expression for frequency modulation.

Explain the working principles of CRO with the help of a block diagram.