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Posted By: mehajabeen Member Level: Silver Posted Date: 18 Jun 2007
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2007 Anna University B.E Electrical and Electronics Advanced Solid State Devices Question paper
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B.E. ECE.
AVANCED ELECTRONIC SYSTEM DESIGN
6TH SEM
MAX:100
ANSWER THE FOLLOWING:
PART A-(10*2=20)
1. List the characteristics of an Ideal Op-Amp.
2. Which type of feedback increases the gain? How?
3. What is the use of the flywheel diode?
4. Draw the VI characteristics of an SCR.
5. Draw the blocks involved in amplifying the low level signal
6. Explain the term shielding.
7. List some softwares available to draw the PCB layout.
8. What are the limitations of PCB design?
9. Explain the term auto ranging
10. What is the use of watch dog timer.
PART B (5*16=80)
11 (a) Explain with the neat diagram the design of differential video amplifiers.
(Or)
(b) Discuss in detail about :
(i) Design of matching networks.
(ii) Design of low noise amplifiers.
12 (a) Explain the construction , working and applications with suitable waveforms of buck and boost converters.
(Or)
(b) Write short notes on :
(i) Foldback protection circuits
(ii)Control circuits for SMPS
13 (a) Discuss the constructions and working of Dual slope and quad slope converters
(Or)
(b) Explain the constructions and working of logarithmic A/D converters.
14 (a) Explain the PCB design rules and its limitations for power electronics circuits
(Or)
(b) Write short notes on :
(i) Parameters involved in PCB design
(ii) CAD for PCB design.
15(a) Explain the construction of Auto ranging digital multimeter and discuss the advantages of it.
(Or)
(b) Explain the design of DC motor speed control using PPL.
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