Syllabuses

With the help of circuit diagram explain the working of 555 timer. Also discuss its applications.

Draw the circuit of a Summing Amplifier and obtain an expression for the output.

What is an Op-Amp? List all the ideal characteristics of Op-Amp. and explain the following terms: (i) slew rate (ii) offset voltage (iii) bias current (iv) bandwidth

Describe the operation of differential amplifier with circuit diagram. Give in details the terms: (i) Common mode rejection ratio (CMRR) (ii) Differential gain (b) Explain the bootstrapping method. Also discuss the bootstrapping technique.

Discuss the switching characteristics of transistor. Also explain the transistor as switch with circuit diagram.

Explain with the help of a circuit diagram the operation of a crystal oscillator. Mention the applications of crystal oscillators.

What is an oscillator? List all the ideal characteristics of Op-Amp. and explain the following terms: (i) slew rate (ii) offset voltage (iii) bias current (iv) bandwidth

Draw the V-I characteristics of Zener diode. With the help of V-I characteristics explain the working of Zener diode.

Explain the formation of depletion layer with external bias.

Discuss fixed and adjustable switching regulators in detail.