Analog and Digital Electronics (ADE) SPPU Endsem Question Paper May 2023
All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.
- Subject code
- 203143
- Pattern
- 2019 pattern
- Exam
- Endsem
- Session
- May 2023
- Max. marks
- 70
- Time
- 2½ Hours
- Semester
- III
- Paper code
- [6002]-127
Printed for: S.E. (Electrical)
Instructions to the candidates
- Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
- Neat diagrams must be drawn wherever necessary.
- Figures to the right indicate full marks.
- Use of Calculator is allowed.
- Assume suitable data if necessary.
Questions
Q1
- a)[6]
What is PAL? Explain in detail with suitable diagram.
- b)[6]
Write a short note on FPGA.
- c)[5]
What is RAM? Explain SRAM & DRAM in detail.
OR- a)
Q2
- a)[6]
Write a short note on PLA.
- b)[6]
Explain CPLD with the help of neat logic diagram.
- c)[5]
What is ROM? Explain PROM and EPROM in detail.
- a)
Q3
ORQ4
Q5
- a)[6]
Draw and explain frequency response characteristics of low pass & high pass filters.
- b)[6]
Explain working of IC 555 as astable multivibrator.
- c)[5]
Draw a neat circuit diagram of LM-317 and derive formula for variable voltage available at the output in terms of circuit parameters.
OR- a)
Q6
Q7
- a)[6]
Draw neat diagram and waveforms of single phase half wave rectifier with resistive load. Define: i) Efficiency. ii) Form factor. iii) Ripple factor. iv) Peak inverse voltage.
- b)[6]
Explain full wave centre tapped rectifier supplying resistive load with circuit diagram and waveforms.
- c)[6]
Draw and explain the operation of single phase bridge rectifier supplying RL load.
OR- a)
Q8
- a)[6]
Explain the working of single phase full wave bridge rectifier with RL load.
- b)[6]
A voltage of 200 sin (100 π *t) is applied to a half wave rectifier with a load resistance of 10 k Ω . Calculate the maximum current, RMS current, average current, AC input power and ripple factor.
- c)[6]
This part has equations that don’t show as text. Open the PDF to read it.
- a)