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Dec 2015

This document contains an exam paper with the following information: 1) It is a 3 hour exam worth a total of 80 marks. 2) Question 1 is compulsory, students must answer 3 of the remaining 5 questions in section 1. 3) The document describes the content of 6 questions - differentiating counters, amplifiers, filter design, decade counter, voltage regulator, and PLL applications. 4) It also contains questions on a precision rectifier, phase shift oscillator, voltage regulators, analog multipliers, monostable multivibrator, logarithmic amplifiers, and counter circuits.

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Pratibha Gandhi Dumane
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22 views2 pages

Dec 2015

This document contains an exam paper with the following information: 1) It is a 3 hour exam worth a total of 80 marks. 2) Question 1 is compulsory, students must answer 3 of the remaining 5 questions in section 1. 3) The document describes the content of 6 questions - differentiating counters, amplifiers, filter design, decade counter, voltage regulator, and PLL applications. 4) It also contains questions on a precision rectifier, phase shift oscillator, voltage regulators, analog multipliers, monostable multivibrator, logarithmic amplifiers, and counter circuits.

Uploaded by

Pratibha Gandhi Dumane
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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rC çQrn je-{ C- (( 6, 8 s

Tc
OP Code: 5743

(3 Hours) [Total Marks : 80

N.13: (1) Question No. 1 is compulsory


(2) Solve any 3 from remaining 5 questions.
(3) Figures to the right indicate full marks.
(4) Assume suitable data if necessary and mention the same in the
answer sheet.

I. Solve any five : 20


(i) Differentiate between synchronous counters and ripple counters.

• (ii) Differentiate between inverting and non-inverting amplifier.


(iii) Design first order, non-inverting low pass filter to provide cutoff
frequency of 10KHz.
(iv) Explain 7490 decade counter.
(v) Design voltage regulator to provide output voltage equal to 5V and
load current 1 Amp using IC 7805.
(vi) With the help of neat circuit diagram explain any one application of
• PLL565.

2. (a) What is a precision rectifier ? Draw the diagram for a full wave precision 10
rectifier. With the help of waveforms at different points in the circuit explain
its working.
(b) With the help of a neat circuit diagram explain working of RC phase shift 10
Oscillator.

• 3. (a) Draw functional block diagram of IC723 and explain its working as low 10
voltage regulator and high voltage regulator.
(b) With the help of neat circuit diagrams explain how analog multiplier AD 10
534 can be utilisd for :
• (i) arialog division and
(ii) Square root extraction.

Draw arid explain the fiinctional diagram of 10555 and explain its operation 10
in astable mode.
Explain working of: 10
(i) logarithmic amplifier and
(ii) Anti logarithmic amplifier with the help of circuit diagram.

MD-Con.-11117-15
TURN OVER
QP Code : 5743

2
10
5. (a) With the help of a neat circuit diagram explain the working of Universal shift
register 1C74194 as a 4bit, 4-state Ring counter with a single circulating T,
(b) With the help of a neat circuit diagram explain the working of 74163 10
synchronous 4 bit binary counter. Also illustrate the cascading connections for
74163 based counters.

20
6. Write short notes on any four :
(i) 74181 Arithmetic Logic Unit
(ii) Instrumentation Amplifier
(iii) Switching Regulator
(iv) Voltage to frequency converter
(v) Triangular wave generator.

CI

SN/
`S%--•
MD-Con.-11117-15

F"-•
L-3

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