Exam Details
| Subject | Applied Electronics | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
Negative feedback is used in
Amplifiers
Oscillators
None of these
Both and
p-n junction diode is an active device. (TrueFalse)
Crossover distortion is removed by
Class A amplifier
Class B push-pull amplifier
Class AB push-pull amplifier
Class C amplifier
FET is a current controlled device. (True/False)
For sustained oscillations, AB must be
Less than one
Greater than one
Equal to one
Greater than or equal to one
The output waveform of Schmitt trigger is
Sinusoidal
Triangular
Square
None of these
Which amplifier is used in Miller bootstrap time base generator?
Common emitter
Emitter follower
Common base
None of these
Explain the operation of Class AB Push-Pull amplifier with the help of a neat diagram.
Explain the operation of P-channel Enhancement Type MOSFET with the help of a suitable diagram. Also draw its drain characteristics. Explain the threshold voltage.
Discuss the advantages of negative feedback in detail.
Write down the Barkhausen criterion for sustained oscillations. In a phase shift oscillator, R1 R2 R3 800 k.ohm and C1 =C2 =C3 100 pF. Determine the frequency of oscillations.
Find out the Yo for the following RC circuit, if step i/p is applied. Also draw the o/p waveform. (Figure
<img src='./qimages/13292-4a.jpg'>
Determine the output waveform of the network shown in Figure 2 and calculate the PIV of each diode.
<img src='./qimages/13292-4b.jpg'>
Explain the operation of transistor as a switch with the help of a suitable diagram.
Explain the operation of a Bistable Multivibrator with the help of a neat diagram. Write down its applications.
Explain the operation of an exponential base generator with the help of a suitable diagram.
Explain the operation of a suitable time base generator which is used in CRO.
What is the fundamental difference between Audio. amplifier and Tuned amplifier Also explain the operation of Class A transformer coupled resistive load amplifier.
Explain the operation of a Wien Bridge oscillator with the help of a neat diagram.
8. Write short notes on any four of the following:
Tuned Amplifier
Power Amplifier
JFET
LC Oscillator
Schmitt Trigger
Negative Resistance Generator
Trouble-shooting of Multivibrator
Amplifiers
Oscillators
None of these
Both and
p-n junction diode is an active device. (TrueFalse)
Crossover distortion is removed by
Class A amplifier
Class B push-pull amplifier
Class AB push-pull amplifier
Class C amplifier
FET is a current controlled device. (True/False)
For sustained oscillations, AB must be
Less than one
Greater than one
Equal to one
Greater than or equal to one
The output waveform of Schmitt trigger is
Sinusoidal
Triangular
Square
None of these
Which amplifier is used in Miller bootstrap time base generator?
Common emitter
Emitter follower
Common base
None of these
Explain the operation of Class AB Push-Pull amplifier with the help of a neat diagram.
Explain the operation of P-channel Enhancement Type MOSFET with the help of a suitable diagram. Also draw its drain characteristics. Explain the threshold voltage.
Discuss the advantages of negative feedback in detail.
Write down the Barkhausen criterion for sustained oscillations. In a phase shift oscillator, R1 R2 R3 800 k.ohm and C1 =C2 =C3 100 pF. Determine the frequency of oscillations.
Find out the Yo for the following RC circuit, if step i/p is applied. Also draw the o/p waveform. (Figure
<img src='./qimages/13292-4a.jpg'>
Determine the output waveform of the network shown in Figure 2 and calculate the PIV of each diode.
<img src='./qimages/13292-4b.jpg'>
Explain the operation of transistor as a switch with the help of a suitable diagram.
Explain the operation of a Bistable Multivibrator with the help of a neat diagram. Write down its applications.
Explain the operation of an exponential base generator with the help of a suitable diagram.
Explain the operation of a suitable time base generator which is used in CRO.
What is the fundamental difference between Audio. amplifier and Tuned amplifier Also explain the operation of Class A transformer coupled resistive load amplifier.
Explain the operation of a Wien Bridge oscillator with the help of a neat diagram.
8. Write short notes on any four of the following:
Tuned Amplifier
Power Amplifier
JFET
LC Oscillator
Schmitt Trigger
Negative Resistance Generator
Trouble-shooting of Multivibrator
Other Question Papers
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Subjects
- Advance Microprocessor And Architecture
- Analog And Mixed Mode Vlsi Design
- Analog Communication
- Analog Electronic Circuits
- Analog Integrated Circuits Design
- Antennas And Propagation
- Applied Electronics
- Audio and Video Engineering
- Basic Telematics
- Basics Of Electronics Engineering
- Bio Informatics
- Circuits and Networks
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Data Structures
- Device Modelling For Circuit Simulation
- Digital Communication
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Dip- ECE PCB Design & Testing
- Electromagnetic Field Theory
- Electronic Measurement And Instrumentations
- Electronic Measurement and Instruments
- Electronic Product Design
- Electronic Switching Circuits
- Embedded System Design
- Industrial Electronics
- Information Theory And Coding
- Linear Integrated Circuits
- Maintenance Of Electronic Equipment
- Micro Controller
- Micro Controllers
- Microelectronics Technology
- Microprocessor
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Modeling And Testing Of Digital Systems
- Multirate Systems
- Nano - Electronics
- Optical Fiber Communication
- Opto Electronics Communication Systems
- Power Electronics
- Principles of Communication Engineering
- Quantum Communication
- Rf Circuits
- Satellite And Tv Engineering
- Signal Compression
- Signals And Systems
- Technical English
- Television Engineering
- Wireless Communication