5.Assignment/Tutorials

 Short Answer Questions 

1.  List any two ideal characteristics of an operational amplifier. 

2.  State the function of Pin 2 and Pin 3 in the IC 741 Op-Amp. 

Long Answer Questions 

3.  Explain the concept of virtual ground with reference to the inverting amplifier configuration. 

4.  Draw the block diagram of an Op-Amp and describe the function of each block. 

5.  Describe negative feedback in Op-Amps and explain the working of an inverting amplifier configuration with feedback. 

Short Questions 

1.  What is a voltage follower and where is it commonly used? 

2.  Define an instrumentation amplifier and state one practical application. 

3.  Write the formula for the output voltage of an integrator circuit. 

Long Questions 

4.  Explain the working of an inverting summing amplifier with a circuit diagram and derive its output expression. 

5.  Describe the working and features of the instrumentation amplifier IC INA823, including its advantages in biomedical applications

Short Questions 

1.  What is the need for filters in electronic circuits? 

2.  Define an active filter and list its advantages over passive filters. 

3.  What is the difference between an ideal and a practical frequency response of filters? 

Long Questions 

4.  Explain the working of a 1st-order Low-pass Butterworth filter with a circuit diagram and derive its transfer function. 

5.  Describe the features and applications of the Universal Active Filter IC FLT-U2

Short Questions 

1.  What is the principle of operation of an oscillator? 

2.  Draw the pin diagram of the 555 Timer IC and label its pins. 

3.  Define a comparator and explain the difference between inverting and non-inverting comparators. 

 Long Questions 

4.  Explain the working of a Wien-bridge oscillator with a circuit diagram and derive its frequency of oscillation. 

5.  Describe the operation of the 555 Timer as an astable multivibrator with a circuit diagram and derive the expression for its output frequency. 

Short Questions 

1.  What are the main components of a DC power supply? 

2.  Define a relay and list two common applications. 

3.  What is the difference between fixed and adjustable IC voltage regulators? 

Long Questions 

4.  Explain the working of a fixed voltage power supply with a block diagram and describe its design considerations. 

5.  Compare the types of relays: Electromagnetic, Solid-state, and Hybrid, highlighting their advantages and applications.