87.1 Digital Filter Specifications .. As indicated in the figure, in the passband, defined by Usapp'vre require that g(eo)∈1 with an error±8n, 1.e ● 1-8sG(eo)≤1+8p,|o≤op · In the stopband, defined by a≤0≤,we require that G(ejo eo with an error 8 ie,G(e°)≤8,0,so≤π§7.1 Digital Filter Specifications • As indicated in the figure, in the passband, defined by 0p , we require that |G(ej)|1 with an error p , i.e., 1- p  |G(ej)|  1+ p , | |  p • In the stopband, defined by s , we require that |G(ej)|0 with an error s i.e., |G(ej)|  p , s ||