Download GTU BE/B.Tech 2019 Winter 3rd Sem New 2132003 Design Concepts In Basic Electronics Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- III (New) EXAMINATION — WINTER 2019

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Subject Code: 2132003 Date: 30/11/2019
Subject Name: Design Concepts in Basic Electronics
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Perform binary division of (1100)₂ and (100)₂ and find quotient, remainder and answer.
(b) Explain positive clamper and negative clamper with circuit diagrams.
(c) Explain the advantages of Digital System over Analog System.

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Q.2 (a) Explain block diagram of digital system with its functional elements.
(b) Construct discrete circuit for NOR Gate using TTL.
(c) Explain NAND Gate as universal Gate.
OR
(c) Explain Common Emitter (CE) Configuration with its input and output characteristics.

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Q.3 (a) What are intrinsic and extrinsic semiconductor materials?
(b) Explain circuit diagram and output waveforms of biased positive clipper.
(c) Simplify the following Boolean Expression. Validate using truth table. Also implement the circuit for minimized function using logic gates.
(A+A+B)(B+B+0)
OR

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Q.3 (a) Explain the capacitor input filter with half wave rectifier.
(b) Construct two bit full adder combinational circuit.
(c) Simplify the following function using K-Map method. Also implement the circuit for minimized function using logic gates.
F (A, B, C,D)={1,0,1,3,4,5,7,8,9,11,12,14,15}
Q.4 (a) Perform BCD addition of (1001)₂ and (0100)₂.

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(b) Explain 8x1 Multiplexer with circuit diagram.
(c) Explain the voltage Doubler, Tripler and Quadrupler circuits in details.
OR
Q.4 (a) Express (-23)₁₀ as 8-bit sign number using sign magnitude, 1’s compliment and 2’s compliment methods.
(b) Convert (359)₁₀ to octal number using repeated division by 8 method.

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(c) Explain Voltage-Divider Bias Configuration with its advantage.
Q.5 (a) Explain full wave rectifier with wave forms.
(b) Explain J-K flip-flop with example and wave forms.
(c) Explain working of Serial-in to Serial-out (SISO) shift registers.
OR

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Q.5 (a) Explain full wave bridge rectifier with wave forms.
(b) Construct and explain working of 3-bit decoder.
(c) Explain the Ideal, Second and Third approximation for diode in detail with example.