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A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.
- a)Differentiator, integrator
- b)differentiator, high-pass filter
- c)integrator, low-pass filter
- d)integrator, differentiator
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
A phase modulated wave can be generated from frequency modulator by co...
Introduction:
A phase modulated wave is a type of modulation where the phase of the carrier signal is varied in accordance with the modulating signal. On the other hand, a frequency modulated wave is a type of modulation where the frequency of the carrier signal is varied in accordance with the modulating signal. In order to generate these modulated waves, certain components need to be connected before the modulator.
Phase Modulated Wave Generation:
In order to generate a phase modulated wave, a differentiator needs to be connected before the modulator. This is because a differentiator is a circuit that measures the rate of change of a signal with respect to time. The input to the differentiator is the modulating signal which represents the information to be transmitted. The output of the differentiator is the derivative of the modulating signal, which represents the rate of change of the modulating signal.
Frequency Modulated Wave Generation:
In order to generate a frequency modulated wave, an integrator needs to be connected before the modulator. This is because an integrator is a circuit that measures the cumulative sum of a signal with respect to time. The input to the integrator is the modulating signal which represents the information to be transmitted. The output of the integrator is the integral of the modulating signal, which represents the cumulative sum of the modulating signal.
Explanation:
When a differentiator is connected before the modulator, it measures the rate of change of the modulating signal. This rate of change is then used to vary the phase of the carrier signal, resulting in a phase modulated wave. The phase modulation is directly proportional to the rate of change of the modulating signal.
On the other hand, when an integrator is connected before the modulator, it measures the cumulative sum of the modulating signal. This cumulative sum is then used to vary the frequency of the carrier signal, resulting in a frequency modulated wave. The frequency modulation is directly proportional to the cumulative sum of the modulating signal.
Therefore, in order to generate a phase modulated wave, a differentiator needs to be connected before the modulator. Conversely, in order to generate a frequency modulated wave, an integrator needs to be connected before the modulator.
A phase modulated wave is a type of modulation where the phase of the carrier signal is varied in accordance with the modulating signal. On the other hand, a frequency modulated wave is a type of modulation where the frequency of the carrier signal is varied in accordance with the modulating signal. In order to generate these modulated waves, certain components need to be connected before the modulator.
Phase Modulated Wave Generation:
In order to generate a phase modulated wave, a differentiator needs to be connected before the modulator. This is because a differentiator is a circuit that measures the rate of change of a signal with respect to time. The input to the differentiator is the modulating signal which represents the information to be transmitted. The output of the differentiator is the derivative of the modulating signal, which represents the rate of change of the modulating signal.
Frequency Modulated Wave Generation:
In order to generate a frequency modulated wave, an integrator needs to be connected before the modulator. This is because an integrator is a circuit that measures the cumulative sum of a signal with respect to time. The input to the integrator is the modulating signal which represents the information to be transmitted. The output of the integrator is the integral of the modulating signal, which represents the cumulative sum of the modulating signal.
Explanation:
When a differentiator is connected before the modulator, it measures the rate of change of the modulating signal. This rate of change is then used to vary the phase of the carrier signal, resulting in a phase modulated wave. The phase modulation is directly proportional to the rate of change of the modulating signal.
On the other hand, when an integrator is connected before the modulator, it measures the cumulative sum of the modulating signal. This cumulative sum is then used to vary the frequency of the carrier signal, resulting in a frequency modulated wave. The frequency modulation is directly proportional to the cumulative sum of the modulating signal.
Therefore, in order to generate a phase modulated wave, a differentiator needs to be connected before the modulator. Conversely, in order to generate a frequency modulated wave, an integrator needs to be connected before the modulator.
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Community Answer
A phase modulated wave can be generated from frequency modulator by co...
The output of FM modulator is of form
After passing the modulating signal through the differentiator we give
as the input to the frequency modulator, i.e.
The expression of the output signal will be:
The differentiation of the integral will simply give the original signal.
We get a phase modulated signal which is of the form:
After passing the modulating signal through the differentiator we give
as the input to the frequency modulator, i.e.The expression of the output signal will be:
The differentiation of the integral will simply give the original signal.
We get a phase modulated signal which is of the form:
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A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.a)Differentiator, integratorb)differentiator, high-pass filterc)integrator, low-pass filterd)integrator, differentiatorCorrect answer is option 'A'. Can you explain this answer?
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A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.a)Differentiator, integratorb)differentiator, high-pass filterc)integrator, low-pass filterd)integrator, differentiatorCorrect answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.a)Differentiator, integratorb)differentiator, high-pass filterc)integrator, low-pass filterd)integrator, differentiatorCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.a)Differentiator, integratorb)differentiator, high-pass filterc)integrator, low-pass filterd)integrator, differentiatorCorrect answer is option 'A'. Can you explain this answer?.
A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.a)Differentiator, integratorb)differentiator, high-pass filterc)integrator, low-pass filterd)integrator, differentiatorCorrect answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.a)Differentiator, integratorb)differentiator, high-pass filterc)integrator, low-pass filterd)integrator, differentiatorCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A phase modulated wave can be generated from frequency modulator by connecting a ___________ before the modulator and a frequency modulated wave can be generated from phase modulator by connecting a __________ before the modulator.a)Differentiator, integratorb)differentiator, high-pass filterc)integrator, low-pass filterd)integrator, differentiatorCorrect answer is option 'A'. Can you explain this answer?.
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