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A circuit with an ideal OPAMP is shown. The Bode plot for the magnitude (in dB) of the gain transfer function of the circuit is also provided (here, ω is the angular frequency in rad/sec). The values of R and C are
  • a)
    R = 3kΩ, C = 1μF
  • b)
    R = 3kΩ, C = 2μF
  • c)
    R = 1kΩ, C = 3μF
  • d)
    R = 4kΩ, C = 1μF
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A circuit with an ideal OPAMP is shown. The Bode plot for the magnitu...
The given Op-Amp circuit is shown below,
The given Op-Amp circuit is first order active low pass filter, so low frequency (ω = 0) gain of given low pass filter is,
The above Op-Amp circuit becomes as non-inverting closed loop Op-Amp, so gain (AV) is,
The 3-dB cut-off frequency of given low pass filter circuit is,
According to given bode magnitude plot,
Low frequency (ω = 0) gain from bode magnitude plot is,
12dB = 20log10 (AV)
1+ R = 4
R = 3 kΩ
The 3-dB frequency from bode magnitude plot,
Hence, the correct option is (A).
Free Test
Community Answer
A circuit with an ideal OPAMP is shown. The Bode plot for the magnitu...
The given Op-Amp circuit is shown below,
The given Op-Amp circuit is first order active low pass filter, so low frequency (ω = 0) gain of given low pass filter is,
The above Op-Amp circuit becomes as non-inverting closed loop Op-Amp, so gain (AV) is,
The 3-dB cut-off frequency of given low pass filter circuit is,
According to given bode magnitude plot,
Low frequency (ω = 0) gain from bode magnitude plot is,
12dB = 20log10 (AV)
1+ R = 4
R = 3 kΩ
The 3-dB frequency from bode magnitude plot,
Hence, the correct option is (A).
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A circuit with an ideal OPAMP is shown. The Bode plot for the magnitude (in dB) of the gain transfer function of the circuit is also provided (here, ω is the angular frequency in rad/sec). The values of R and C are a)R = 3kΩ, C = 1μFb)R = 3kΩ, C = 2μFc)R = 1kΩ, C = 3μFd)R = 4kΩ, C = 1μFCorrect answer is option 'A'. Can you explain this answer?
Question Description
A circuit with an ideal OPAMP is shown. The Bode plot for the magnitude (in dB) of the gain transfer function of the circuit is also provided (here, ω is the angular frequency in rad/sec). The values of R and C are a)R = 3kΩ, C = 1μFb)R = 3kΩ, C = 2μFc)R = 1kΩ, C = 3μFd)R = 4kΩ, C = 1μFCorrect 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 circuit with an ideal OPAMP is shown. The Bode plot for the magnitude (in dB) of the gain transfer function of the circuit is also provided (here, ω is the angular frequency in rad/sec). The values of R and C are a)R = 3kΩ, C = 1μFb)R = 3kΩ, C = 2μFc)R = 1kΩ, C = 3μFd)R = 4kΩ, C = 1μFCorrect 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 circuit with an ideal OPAMP is shown. The Bode plot for the magnitude (in dB) of the gain transfer function of the circuit is also provided (here, ω is the angular frequency in rad/sec). The values of R and C are a)R = 3kΩ, C = 1μFb)R = 3kΩ, C = 2μFc)R = 1kΩ, C = 3μFd)R = 4kΩ, C = 1μFCorrect answer is option 'A'. Can you explain this answer?.
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