Question Paper: Integrated Circuits Question Paper - December 2015 - Electronics and Telecom Engineering (Semester 5) - Mumbai University (MU)
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## Integrated Circuits - December 2015

### MU Electronics and Telecom Engineering (Semester 5)

Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

### Solve any five:

1 (a) Differentiate between synchronous counters and ripple counters. 4 marks

1 (b) Differentiate between inverting and non-inverting amplifier. 4 marks

1 (c) Design first order non-inverting low pass filter to provide cutoff frequency of 10 KHz. 4 marks

1 (d) Explain 7490 decade counter. 4 marks

1 (e) Design voltage regulator to provide output voltage equal to 5V and load current 1 Amp using IC 7805. 4 marks

1 (f) With the help of neat circuit diagram explain any one application of PLL 565. 4 marks

2 (a) What is precision rectifier? Draw the diagram for a full wave precision rectifier. With the help of waveforms at different points in the circuit explain its working. 4 marks

2 (b) With the help of a neat circuit diagram explain working of RC phase shift Oscillator. 4 marks

3 (a) Draw functional block diagram of IC723 and explain its working as low voltage regulator and high voltage regulator. 4 marks

3 (b) With the help of neat circuit diagrams explain how analog multiplier AD 534 can be utilised for:
i) Analog division and
ii) Square root extraction
4 marks

4 (a) Draw and explain the functional diagram of IC555 and explain its operation in astable mode. 4 marks

4 (b) Explain working of:
i) logarithmic amplifier and
ii) Anti logarithmic amplifier with the help of circuit diagram.
4 marks

5 (a) With the help of a neat circuit diagram explain the working of Universal shift register IC74194 as a 4bit, 4-state Ring counter with a single circulating 'I'. 4 marks

5 (b) With the help of a neat circuit diagram explain the working of 74163 synchronous 4-bit binary counter. Also illustrate the cascading connections for 74163 based counters. 4 marks

### Write short notes on any four:

6 (a) 74181 Arithmetic Logic Unit. 4 marks

6 (b) Instrumentation Amplifier 4 marks

6 (c) Switching Regulator 4 marks

6 (d) Voltage to frequency converter 4 marks

6 (e) Triangular wave generator. 4 marks

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