Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > The compensation techniques are used to______...
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The compensation techniques are used to_________
- a)increase stability
- b)increase the voltage gain
- c)improve negative feedback
- d)decrease voltage gain
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The compensation techniques are used to_________a)increase stabilityb)...
Usually, the negative feedback is used to produce a stable operating point. But it reduces the voltage gain of the circuit. This sometimes is intolerable and should be avoided in some applications. So, the biasing techniques are used.
Most Upvoted Answer
The compensation techniques are used to_________a)increase stabilityb)...
Compensation Techniques in Voltage Amplifiers
Compensation techniques are used to improve the performance of voltage amplifiers. These techniques are used to optimize the frequency response of the amplifier and to increase its voltage gain. The following are the benefits of compensation techniques:
- Increase in voltage gain
- Reduction in distortion
- Stability improvement
- Reduction in noise
The main objective of compensation techniques is to improve the frequency response of the amplifier, which is typically limited by the bandwidth of the amplifier. By increasing the bandwidth of the amplifier, it is possible to improve its voltage gain and reduce distortion.
Techniques for Voltage Amplifiers
The following are some of the techniques used for compensating voltage amplifiers:
- Miller Compensation: This technique is used to compensate for the Miller effect, which occurs when the output of the amplifier is fed back to its input through a capacitor. The Miller effect reduces the bandwidth and increases the distortion of the amplifier. The compensation involves adding a capacitor in parallel with the feedback capacitor to reduce the effect of the Miller capacitance.
- Pole-Zero Compensation: This technique is used to compensate for the presence of poles and zeros in the frequency response of the amplifier. The compensation involves adding a zero at a higher frequency to cancel out a pole at a lower frequency.
- Lead-Lag Compensation: This technique is used to compensate for the phase shift introduced by the amplifier at high frequencies. The compensation involves adding a network of resistors and capacitors to the feedback loop of the amplifier to introduce a phase shift that cancels out the phase shift of the amplifier.
Conclusion
Compensation techniques are an essential part of voltage amplifier design. They are used to optimize the frequency response of the amplifier and to increase its voltage gain. The choice of the compensation technique depends on the specific requirements of the amplifier and the application.
Compensation techniques are used to improve the performance of voltage amplifiers. These techniques are used to optimize the frequency response of the amplifier and to increase its voltage gain. The following are the benefits of compensation techniques:
- Increase in voltage gain
- Reduction in distortion
- Stability improvement
- Reduction in noise
The main objective of compensation techniques is to improve the frequency response of the amplifier, which is typically limited by the bandwidth of the amplifier. By increasing the bandwidth of the amplifier, it is possible to improve its voltage gain and reduce distortion.
Techniques for Voltage Amplifiers
The following are some of the techniques used for compensating voltage amplifiers:
- Miller Compensation: This technique is used to compensate for the Miller effect, which occurs when the output of the amplifier is fed back to its input through a capacitor. The Miller effect reduces the bandwidth and increases the distortion of the amplifier. The compensation involves adding a capacitor in parallel with the feedback capacitor to reduce the effect of the Miller capacitance.
- Pole-Zero Compensation: This technique is used to compensate for the presence of poles and zeros in the frequency response of the amplifier. The compensation involves adding a zero at a higher frequency to cancel out a pole at a lower frequency.
- Lead-Lag Compensation: This technique is used to compensate for the phase shift introduced by the amplifier at high frequencies. The compensation involves adding a network of resistors and capacitors to the feedback loop of the amplifier to introduce a phase shift that cancels out the phase shift of the amplifier.
Conclusion
Compensation techniques are an essential part of voltage amplifier design. They are used to optimize the frequency response of the amplifier and to increase its voltage gain. The choice of the compensation technique depends on the specific requirements of the amplifier and the application.
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The compensation techniques are used to_________a)increase stabilityb)increase the voltage gainc)improve negative feedbackd)decrease voltage gainCorrect answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The compensation techniques are used to_________a)increase stabilityb)increase the voltage gainc)improve negative feedbackd)decrease voltage gainCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The compensation techniques are used to_________a)increase stabilityb)increase the voltage gainc)improve negative feedbackd)decrease voltage gainCorrect answer is option 'B'. Can you explain this answer?.
The compensation techniques are used to_________a)increase stabilityb)increase the voltage gainc)improve negative feedbackd)decrease voltage gainCorrect answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The compensation techniques are used to_________a)increase stabilityb)increase the voltage gainc)improve negative feedbackd)decrease voltage gainCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The compensation techniques are used to_________a)increase stabilityb)increase the voltage gainc)improve negative feedbackd)decrease voltage gainCorrect answer is option 'B'. Can you explain this answer?.
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