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Example-6

Example-6
  1. Design a narrow band-pass filter with resonant frequency fr = 1 kHz, Q = 3, and AF = 10.
  2. Change the resonant frequency to 1.5 kHz, keeping AF and the bandwidth constant.
Solution
  1. Let, C1 = C2 = 0.01 μF
     
    Description: 5977.png;
     
    Description: 5984.png
     
    Description: 5990.png
  2. To change the resonant frequency, the resistance value will be,
     
    Description: 5996.png
     
    The frequency response is shown below.
Description: 5933.png
Frequency response of Example (6)
 




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