14.7 A low-pass filter is specified to have Amax = 1 dB and Amin = 10 dB. We find that these specifications can be just met with a single-time-constant RC circuit having a time constant of 1 s and a dc transmission of unity. What must ωp and ωs of this filter be? What is the selectivity factor?
0.509 rad/s; 3 rad/s; 5.89