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Negative resistance are incorporated in oscillator for ___________
- a)Sustained oscillation
- b)Damped oscillation
- c)Biasing the oscillator
- d)Increasing amplitude of oscillation
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Negative resistance are incorporated in oscillator for ___________a)Su...
Understanding Negative Resistance in Oscillators
Negative resistance is a phenomenon where a device exhibits a decrease in voltage across it with an increase in current. This unique characteristic is crucial in oscillator circuits, allowing them to achieve sustained oscillations.
Role of Negative Resistance in Oscillators
- Sustained Oscillation:
- Oscillators require a certain amount of gain to compensate for energy losses due to resistance and other factors.
- Negative resistance provides this necessary gain, allowing the circuit to maintain oscillation over time.
- Energy Compensation:
- In an oscillator, energy is constantly lost due to various factors like resistive losses.
- Negative resistance compensates for these losses by supplying additional energy, ensuring that the oscillation does not die out.
Types of Oscillators Utilizing Negative Resistance
- Relaxation Oscillators:
- These oscillators often use negative resistance to generate square waves by rapidly switching between states.
- LC Oscillators:
- In LC oscillators, negative resistance helps maintain oscillation in circuits that use inductors and capacitors.
Conclusion
Incorporating negative resistance in oscillators is vital for achieving sustained oscillations. It ensures that the oscillating signal remains stable and consistent, making negative resistance a fundamental concept in the design of various electronic oscillator circuits. Understanding this principle allows engineers to create efficient and reliable oscillators for a wide range of applications.
Negative resistance is a phenomenon where a device exhibits a decrease in voltage across it with an increase in current. This unique characteristic is crucial in oscillator circuits, allowing them to achieve sustained oscillations.
Role of Negative Resistance in Oscillators
- Sustained Oscillation:
- Oscillators require a certain amount of gain to compensate for energy losses due to resistance and other factors.
- Negative resistance provides this necessary gain, allowing the circuit to maintain oscillation over time.
- Energy Compensation:
- In an oscillator, energy is constantly lost due to various factors like resistive losses.
- Negative resistance compensates for these losses by supplying additional energy, ensuring that the oscillation does not die out.
Types of Oscillators Utilizing Negative Resistance
- Relaxation Oscillators:
- These oscillators often use negative resistance to generate square waves by rapidly switching between states.
- LC Oscillators:
- In LC oscillators, negative resistance helps maintain oscillation in circuits that use inductors and capacitors.
Conclusion
Incorporating negative resistance in oscillators is vital for achieving sustained oscillations. It ensures that the oscillating signal remains stable and consistent, making negative resistance a fundamental concept in the design of various electronic oscillator circuits. Understanding this principle allows engineers to create efficient and reliable oscillators for a wide range of applications.
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Negative resistance are incorporated in oscillator for ___________a)Su...
Negative resistance are incorporated in oscillator for sustained oscillation. Negative resistance will cancel the damping by positive (normal) resistance.
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