s 87.1 Digital Filter Specifications p- passband edge frequency stopband edge frequency 8p- peak ripple value in the passband °8、- peak ripple value in the stopband Since g(ejo)is a periodic function of o, and G(ejo)l of a real-coefficient digital filter is an even function of o As a result, filter specifications are given only for the frequency range0so≤兀§7.1 Digital Filter Specifications • p - passband edge frequency • s - stopband edge frequency • p - peak ripple value in the passband • s - peak ripple value in the stopband • Since G(e j) is a periodic function of , and |G(e j)| of a real-coefficient digital filter is an even function of  • As a result, filter specifications are given only for the frequency range 0 ||