problem 1:
a) Broadly categorize the integrated circuits for a broad range of applications.
b) What is a practical Op-amp? Draw its equivalent circuit.
) In an Op-amp, V2 = 0 (inverting terminal input). What is the voltage at V1 (non-inverting terminal input) for an output of 5V if AOL = 50000.
problem 2:
a) List out various benefits of IC technology over discrete component implementation.
b) Differentiate between differential mode and common mode operations of differential amplifier.
problem 3:
a) Describe the terms:
i) CMRR
ii) PSRR
iii) Thermal drift
iv) Inverting configuration of Op-Amp.
v) Input offset voltage
b) What do you mean by the term voltage follower? What are its features and applications?
problem 4:
a) Draw the circuit diagram and describe the operation of an inverting amplifier, obtain the expression for closed loop voltage gain.
b) Derive the output voltage of an Op-amp based differential amplifier.
problem 5:
a) Obtain the frequency response of an op-amp using appropriate mathematical expressions.
b) How fast can the output of an op-amp change by 10V if its slew rate is 1V /µS?
problem 6:
a) Describe D.C. characteristics of op-amp in detail.
b) The input signal Vi to an op-amp is 0.04 Sin 1.13 X 105t is to be amplified to the maximum extent. How much maximum gain can be had by using op-amp, with slew rate of 0.4 V/Sec.?