Topic: Digital Signal Processing
What will be the minimum numbers of tap require to realize a FIR filter having $f_{pass}=10$ kHz and $f_{stop}=15$ kHz, 0.1 dB pass band ripple and 60 dB attenuation in stop band. Sampling frequency is 200 kHz.
- A. 110
- B. 100
- C. 90
- D. 120
Answer: A. 110
Explanation: Based on the official answer key, the correct option is (a). No detailed mathematical derivation is provided in the reference.