Download PTU M.Tech. ECE 1st Semester 74146 ELECTRONICS SYSTEM DESIGN Question Paper

Roll No.

Total No. of Questions : 08

Total No. of Pages : 02

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M.Tech.(ECE) (2016 Batch) (Sem.-1)

ELECTRONICS SYSTEM DESIGN

Subject Code : MTEC-101 M.Code : 74146 Max. Marks : 100 Time: 3 Hrs.

INSTRUCTIONS TO CANDIDATES :

1. Attempt any FIVE questions in all.

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2. Each question carry TWENTY marks.

Q1 (a) Design a combinational circuit which can convert BCD code to E-3 code.

(b) With the help of 2:1 MUX generate the following function:

F (A, B, C, D) = S (0, 3, 7, 8, 12, 13, 14)

Q2. Design combinational Circuit for following function using Q-M method.

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F(A, B, C, D) = S (0,2,3,6,8,10,13,14,20,23,27,29) +d(11,12,22,24)

Q3. Design basic binary cell centred LM flip-flop specified by the following characteristic :

L M Qn
0 0 Set
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0 1 No Change
1 0 Toggle
1 1 Reset 

Also define the excitation table.

Q4. Only write the steps to design an asynchronous sequential machine and design a JK flip flop as an asynchronous machine.

Q5. Write the advantages of MEV approaches to design an asynchronous machine and draw a circuit for

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F(A,B,C,D) = 2m(1,2,3,5,6,8,11,12,13,14,15) using same approach.

Q6. Write the advantages and disadvantages of PAL over PLA and design full sub-tractor using PLA and PAL, with neat diagrams.

Q7. How the co-axial cable is interfaced with digital system explain with neat diagram.

Q8. Explain any two :

(a) MSI decoder

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(b) Timing and frequency consideration in controller design

(c) Tri state bus system.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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