xa(t). P(t) is equal O a. xs(t) /sampled signal O b. ha(t) / The impulse response of the LPF O c. x(t) / analog signal O d. Ha(22) / ideal frequency response of the LPF The output of quantizer is O a. A continuous amplitude and discrete time signal. O b. A discrete amplitude and a discrete time signal. O c. A continuous amplitude and a continuous time signal. O d. A discrete amplitude and a continuous time signal. As per sampling theorem: O a. Fs>2fmax O b. Fs 2fmax