se Explain the design procedure for a passive bandpass Butterworth filter. If the filter has an insertion loss of 0.5 dB per section, assume n = 6 and sketch the filter performance for a centre frequency of 80 MHz and 12 MHz cutoff bandwidth. You may use an attenuation of 55 dB at 20 MHz. (b) On the same figure, sketch the performances of active lowpass Chebychev filters (r = 0.5 dB) with n= 1, 3 and 5. You may assume that all the filters have 10 MHz cutoff frequency, a passband gain of 15 dB and an attenuation of 10 dB per section at 40 MHz. se Explain the design procedure for a passive bandpass Butterworth filter. If the filter has an insertion loss of 0.5 dB per section, assume n = 6 and sketch the filter performance for a centre frequency of 80 MHz and 12 MHz cutoff bandwidth. You may use an attenuation of 55 dB at 20 MHz. (b) On the same figure, sketch the performances of active lowpass Chebychev filters (r = 0.5 dB) with n= 1, 3 and 5. You may assume that all the filters have 10 MHz cutoff frequency, a passband gain of 15 dB and an attenuation of 10 dB per section at 40 MHz