BSc IT Sem I ATKT 2014 ETCS Add Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 All Questions are compulsory
2. Q3 Right side indicates marks Answer any 2 from following. (10) Write a short note on Zener diode }. Explain the concept of PNP. & NPN , Draw and explain Bridge rectifier Answer any 2 from following. (10) Explain the amplifier notations Draw and explain frequency response of multistage amplifiers
3. Q4 Draw and explain DC amplifier
4. Q4 Draw and explain Darlington pair 0.3 Answer any 2 from following. (10) Monostable circuit, Ra= 10K, the output pulse width is =5ms.Determine the value of C and explain Multivibrator between Oscillator and amplifier Draw and explain RC Phase shift Oscillator
   • p.4Answer any 2 from following Draw and explain Pilot Carrier SSB system >) Draw and explain Envelope Detector Explain concept of SSB with advantages and disadvantages Draw and explain Balanced Modulator using FET 0.5 Answer any 2 from (10) Draw & explain Pulse Amplitude Modulation Write a short note on Radio Receiver Explain the concept of Sampling Process & Quantization Answer any 2 from following a short note on Ray model
5. Q3 Explain Propagation Modes of Fiber optic , Explain optical sources 0.7 Answer any 3 from following 1 Explain Conductor, Semiconductor and Draw and explain BJT as a single stage amplilier
6. Q3 Draw and explain Hartley Oscillator Explain need for modulation system Explain TDM with advantages and disadval the Need for Fiber optic

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