Find the range of frequency between which the circuit act as integrator?
A. [1/(2πRFCF)]– (2πR1CF)
B. (2πRFCF) – [1/(2πR1CF)]
C. [1/(2πRFCF)]- [1/(2πR1CF)]
D. None of the mentioned
Answer:A
Find the range of frequency between which the circuit act as integrator?
A. [1/(2πRFCF)]– (2πR1CF) B. (2πRFCF) – [1/(2πR1CF)] C. [1/(2πRFCF)]- [1/(2πR1CF)] D. None of the mentioned
Explanation: For a practical integrator, the gain limiting frequency is fa= 1/(2πRF CF). After fa, the gain decreases at a rate 20db/decade and reaches 0db. The frequency at which gain is 0db is fb= 1/(2π RF×CF). So, the circuit act as integrator between fa and fb.