Chapter99.1DevelopalowpassIIRdigitalfilterusingButterworthApproximationwiththefollowingspecifications:passbandegdefrequencyatFp=100Hz,stopbandedgefrequencyatFs=600Hz,passbandrippleap=1dB,minimumstopbandattenuationas=32dB,andsamplingfrequencyFT=2kHz.9.2DevelopahighpassIIRdigitalfilterusingButterworthApproximationwiththefollowingspecifications:passbandegdefrequencyatFp=600Hz,stopbandedgefrequencyatFs=100Hz,passbandrippleap=1dB,minimumstopbandattenuationas=32dB,andsamplingfrequencyFT=2kHz.