problem 1:

a) Describe in brief the method of CMRR measurement in an op-amp.
b) Derive an expression for the gain in inverting amplifier by using op-amp.

problem 2:

a) With a neat circuit diagram, describe the working of phase shift oscillation.
b) Describe the working of IC regulated power supply.

problem 3:

a) Describe the TEM wave in the coaxial line resonant cavities.
b) Describe the working of microwave resonators.

problem 4:

a) Describe the production of the FM waves.
b) With a neat diagram describe the working of Foster-seeley discriminator.

problem 5:

a) State and describe the De Morgan’s theorems.
b) Describe the operation of 8-bit multiplexer.

problem 6:

a) Describe the working of JK-flip-flop with an essential diagram.
b) Describe the operation of shift register.

problem 7:

a) Describe the addressing modes of 8085 up.
b) prepare a memory language program to add two 8 bit numbers.

problem 8:

a) Describe the architectural diagram of 8086 up and describe each part in detail.
b) describe the instruction set of 8086 up.

problem 9: prepare notes on any two of the given:

a) Class B pushfull power amplifier.
b) Magic T
c) Super heterodyne receiver.
d) A/D and D/Converters