Transcription of AN-649 APPLICATION NOTE - Analog Devices
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AN-649 APPLICATION NOTE - Analog Devices
AN-649 APPLICATION NOTEOne Technology Way Box 9106 Norwood, MA 02062-9106 Tel: 781/329-4700 Fax: 781/326-8703 the Analog Devices Active Filter Design ToolBy Hank ZumbahlenTable I. Chebyshev Cutoff Frequency to 3 dB FrequencyINTRODUCTIONThe Analog Devices Active Filter Design Tool assists the engineer in designing all-pole active filter design process consists of two steps. In Step 1, the response of the filter is determined, meaning the attenuation and/or phase response of the filter is defined. In Step 2, the topology of the filter how it is built is defined.
–2– AN-649 –3– AN-649 envelope response of the band-pass filter, divide the time axis of the low-pass prototype’s step response by BW, where BW is the 3 dB bandwidth.
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