STUPIDSID
1 (a)
Define availability, inherent availability, achieved availability and operational availability.
5 M
1 (b)
Explain the main factors to be considered in PCB design of high frequency amplifier.
5 M
1 (c)
What is importance of bump test? with proper procedure explain how it is conducted?
5 M
1 (d)
Explain importance of memo in documentation.
5 M
2 (a)
Discuss tin detail the important issues in order to ensure signal integrity
10 M
2 (b)
A 4-channel temperature data logger has the following components (a) Two RTD Two thermocouple (b) signal conditioning circuit (c) ADC (d) micro controller (e) 4- digit multiplexed LED display and (f) Data memory Explain how will you design software for this.
10 M
3 (a)
Estimate the reliability of a power supply system at t = 2 × 106 Hours
| Component | Quantity | Failure per 10-6 |
| Transformer | 1 | 0.6 |
| Rectifier Diodes | 4 | 0.2 |
| Capacitors | 3 | 0.3 |
| Regulator | 1 | 0.18 |
5 M
3 (b)
Explain wave soldering method.
5 M
3 (c)
Differentiate between logic analyzer & spectrum analyzer.
5 M
3 (d)
What is reflection? How will you minimize it
5 M
4 (a)
Explain various types of multilayer connections with relevant illustrations
10 M
4 (b)
Explain the use of transzorb, MOV & line filter.
10 M
5 (a)
Which visual techniques are used in preparing an effecting document?
5 M
5 (b)
Write a note on UL certification
5 M
5 (c)
Explain bare board testing and in circuit testing
10 M
6 (a)
Estimate the parasitic values of the following geometrics of pcv tracks (i) Resistance of 20 cm along copper track with 0.6 mm width on a standard 35- micron copper clad laminate ρ=1.72 × 10-6 ohm-cm.
5 M
6 (b)
While designing a product which guidelines must be considered w.r.t ergonomics and aesthetics
10 M
6 (c)
Write a note on CPU simulator
5 M
7 (a)
Which environmental tests are to be carried out on the following products? Why it is necessary?
i) Industrial controller used in coal mines
ii) A beside ECG monitor
i) Industrial controller used in coal mines
ii) A beside ECG monitor
10 M
7 (b)
Explain use of DC analysis in product design
5 M
7 (c)
State the importance of enclosure
5 M
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