Electronic & Tele Communication System (June – 2014) [IDOL - Old Course | Question Paper]

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B.Sc.IT: Semester – II

[Electronic & Tele Communication System]

Question Paper (June – 2014) [Old Course]

Time: 3 Hours
Total Marks: 100

N.B.:   (1) Questions No. 1 is Compulsory.
            (2) Attempt any four questions from Q Nos. 2 TO 7.

Q.1 Attempt Both The Question: (10 Marks)

(A) Define Multiplexing. Explain Frequency Division Multiplexing.

(B) Explain PAM and PPM system in detail.

Q.2 Attempt Any Three From The Following: (15 Marks)

(A) Explain Monostable Multivibrator using IC 555 Timer.

(B) Explain Emitter Stabilized Biased Circuit with suitable diagram.

(C) Define Conductor, Insulator and Semiconductor.

Q.3 Attempt Any Three From The Following: (15 Marks)

(A) Explain SSB System. Write its advantages and disadvantages.

(B) Explain the Frequency Response of RC Coupled Amplifier.

(C) Explain the Half Wave Rectifier Circuit.

Q.4 Attempt Any Three From The Following: (15 Marks)

(A) State and explain Norton’s Theorem.

(B) Derive the Relational for power content in AM Waves.

(C) Differentiate between NPN and PNP Transistor.

Q.5 Attempt Any Three From The Following: (15 Marks)

(A) Explain the concept of Balanced Modulator.

(B) Differentiate between Positive Feedback and Negative Feedback. Explain the RC Phase Shift Oscillator.

(C) State and explain KVL.

Q.6 Attempt Any Three From The Following: (15 Marks)

(A) Explain Optical Fiber and its properties.

(B) Explain Pulse Code Modulation System and Delta Modulation in detail.

(C) Explain Independent Side Band Transmission System.

Q.7 Attempt The Following Questions: (20 Marks)

(A) Explain Voltage Regulation Characteristics of a Zener Diode.

(B) Explain Transistor as a switch.

(C) State and explain Thevenin’s Theorem.

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