Which filter is chosen to remove the carrier component in the frequency shift keying?
A. Three stage filter
B. Two stage filter
C. Single stage filter
D. All of the mentioned
Answer:A
Which filter is chosen to remove the carrier component in the frequency shift keying?
A. Three stage filter B. Two stage filter C. Single stage filter D. All of the mentioned
Explanation: The high cut-off frequency of ladder filter is chosen to be approximately halfway between the maximum keying rate of 150Hz & twice the input frequency (≅ 2200Hz) which can be obtained using three stage filters. Sanfoundry Global Education & Learning Series – Linear Integrated Circuit.