Assignment#5 Refer to Electronic Devices, Floyd chapters 15, 16 and 17 Part A: Filters 1. 3. 2. The term pole in filter terminology refers to (a) a high-gain op-amp (c) a single RC circuit (b) one complete active filter (d) the feedback circuit A band-pass response has (a) two critical frequencies (c) a flat curve in the passband (b) one critical frequency (d) a wide bandwidth When a low-pass and a high-pass filter are cascaded to get a band-pass filter, the critic frequency of the low-pass filter must be (a) equal to the critical frequency of the high-pass filter (b) less than the critical frequency of the high-pass filter (c) greater than the critical frequency of the high-pass filter When the gain of a filter is minimum at its center frequency, it is

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Filter

A filter is a device or process which removes some of the unwanted features or components like frequencies from a signal in signal processing. The feature of filters is the complete or partial suppression of some part of the signal, and filtering is a class of signal processing. This most often means removing some frequency bands or some frequencies. In the frequency domain, the filters do not exclusively act, especially in the image processing field many other targets for filtering exist. Without having to act in the frequency domain, the correlations can be removed for certain frequency components and not for others. The filters are widely used in electronics and telecommunication, in television, radio, radar, audio recording, music synthesis, control systems, computer graphics, and image processing.