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Which of the following statements are correct? 1. A lowpass filter passes low frequencies and stops high frequencies. 2. A highpass filter passes high frequencies and rejects low frequencies 3. A bandpass filter passes frequencies within a frequency band and attenuates frequencies outside the band. 4. A bandstop filter passes frequencies within the band and blocks/attenuates frequencies outside a frequency band.
Consider a circuit as shown in figure The circuit is (1) Constant K low-pass filter (2) Constant K high-pass filter (3) The m-derived low-pass filter (4) The m-derived high-pass filter
The low pass, high pass, band pass and band stop filters can be designed by applying a specific transformation to a normalized low pass filter.
For a Band Pass Filter, the slope of the filter is given as 80dB/decade. The order of the Band Pass Filter is __________
For a Band Pass Filter, the slope of the filter is given as 40dB/decade. The order of the Band Pass Filter is __________
The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)
The discharge over a rectangular notch is (where b = Width of notch and H = Height of liquid, above the sill of the notch)
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
What is the pass band gain of a low pass filter with 1- δP as the pass band attenuation?
If H(s) is the transfer function of a analog low pass normalized filter and Ωu is the desired pass band edge frequency of new low pass filter, then which of the following transformation has to be performed?