Read the following statements :(a) A channel is said to be ideal, if, within the bandwidth occupied by the transmitted signal, the amplitude response is constant and phase response is a linear function of frequency.(b) A channel is said to be ideal, if, within the bandwidth occupied by the transmitted signal, both amplitude and phase response are a linear function of frequency.(c) It is possible to compensate for the non-ideal frequency response characteristics of the channel by use of filter at the demodulator.(d) A non-ideal channel does not exist.Which of the above statements are correct?

• A. (a) and (c) Only
• B. (a) and (d) Only
• C. (b) and (d) Only
• D. (b) and (c) Only