Mumbai University B.E EE 5th Sem Linear Integrated Circuits and Design Exam Paper

Give me question paper for Mumbai University B.E in Electronics Engineering 5th Sem Linear Integrated Circuits and Design Examination ??

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(b) A 741Cop-amp is used as an inverting amplifier with a gain of 50. The
voltage gain Vs frequency curve of 741C is flat upto 20 KHz. What maximum
peak to peak input signal can be applied without distorting the output? Slew
rate for 741C is 0.5 V/'tls.

(c) Define following terms pertaining to Phase Lock Loop (PLL) :

(i) Free running frequency
(ii) Capture range
(iii) Lock range.
(d) Explain the current boosting achieved in 723 IC.

2. (a) Prove with proper expression that, what produces more offset voltage at th-e 10
output; input offset current or input bias current? Discuss various compensating
techniques for input offset voltage.

(b) With the help of op-amp model explain the slew rate limitation? Also explain 10
various method of increasing slew rate?

3. (a) In the Astable multivibrator using IC 555, RA = 2.2 KQ. Rs = 6.9 KW and 10
C = 0.01 j..tF. Calculate thigh' tlow' free runnig frequency and duty cycle. Derive
the relation used.
(b) What is the difference between normal rectifier and precision rectifier? With 10
proper derivation and circuits explain the working of full wave precision rectifier.

(a) Compare different types of ADCs based on their working principle. Explain
working of anyone type of Analog to Digital Converter.

(b) In a free running multivibrator using op-amp derive the expression of free
running frequency. State that how maximum operating frequency is determine.

Find values of K, Wo and a by comparing derived expression with above
expression. Design the same low pass KRC filter using equal component design
using fo = 1KHz and 00 =5. What is its dc gain?
(a) What is an Instrumentation Amplifier? Derive the output gain of Instrumentation
Amplifier using three op-amp. State its characteristics.
(b) Using IC 7805 regulator. Design a 1amp current source.
Write short notes on any three :-
(a) Sample and Hold Circuit
(b) Peak Detector
(c) Switched Capacitor Filter
(d) V-F Converter Using Op-amp
(e) State Variable Filter.