This download link is referred from the post: PTU B.Tech Question Papers 2020 December (All Branches)
Roll No. | HEEE | [ ] Total No. of Pages : 02
Total No. of Questions : 18
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B.Tech.(Automation & Robotics) (2012 & Onwards) (Sem.-3)ELECTRONICS DEVICES AND DIGITAL CIRCUITS
Subject Code : BTAR-302
M.Code : 63002
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTION TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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Answer briefly :
- What are the applications of monostable multivibrator?
- Why is master slave flip flop preferred to use?
- What is the Mod number of 5 bit counter?
- What happens to drain current of p-channel JFET when positive voltage is apply on its gate?
- What is thermal runaway process?
- State the advantages of negative feedback in amplifiers.
- What is operating point? Why is it necessary to stabilize it?
- What is the most important application of Schmitt trigger?
- Define CMRR.
- What do you mean by voltage to current converter?
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SECTION-B
- Implement BCD to 7-segment decoder using 4 line to 16 line decoder.
- Draw divide by 7 asynchronous up counter using T flip flop. Write its truth table also.
- Convert JK flip flop to SR flip flop.
- What is rectification? Explain operation of half wave rectifier circuit with neat and clean waveforms.
- Discuss application of op-amp as an instrument amplifier.
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SECTION-C
- Explain the principle and working of n-channel MOSFET in detail with the help of suitable diagrams.
- Explain IC 555 as stable multivibrator.
- Explain operation of master slave flip flop in detail.
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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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This download link is referred from the post: PTU B.Tech Question Papers 2020 December (All Branches)