Design a DTMF high-band bandpass filter similar r!E!S. t o tn e low-band filter design
Chapter 14, Problem 14.47(choose chapter or problem)
Design a DTMF high-band bandpass filter similar r!E!S?. t o tn e low-band filter design in 14.46. Be PERSPECTIVE DESIGN" sure to include the fourth high-frequency tone, 1633 Hz, in your design. What is the response amplitude of your filter to the highest of the lowfrequency DTMF tones?
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