s 87.1 Digital Filter Specifications Specifications are often given in terms of loss function G(o)=-20log1o G(ejo)l in dB Peak passband ripple ap=-20l0g10(1-8p)dB Minimum stopband attenuation 、=-20log10(85)dB§7.1 Digital Filter Specifications • Specifications are often given in terms of loss function G()=-20log10 |G(e j)| in dB • Peak passband ripple p = -20log10 (1- p ) dB • Minimum stopband attenuation s = -20log10 (s ) dB