87.1 Digital Filter Specifications Here, the maximum value of the magnitude in the passband is assumed to be unity 1/(1+e2)-Maximum passband deviation, given by the minimum value of the magnitude in the passband 1/A- Maximum stopband magnitude§7.1 Digital Filter Specifications • Here, the maximum value of the magnitude in the passband is assumed to be unity • 1/√(1+ε2 ) - Maximum passband deviation, given by the minimum value of the magnitude in the passband • 1/A - Maximum stopband magnitude