Low Pass Filter

Q: A high-pass filter is found to attenuate a 1 KHz signal by 20dB. What is the critical frequency?

A: A high-pass filter is found to attenuate a  signal by . To find the value of the critical frequency.

Q: Design a bandpass FIR filter with the following specifications: Lower stopband = 0-500 Hz Passband =…

A: Given: To find: We have to design a bandpass FIR filter with above specifications.    Note: FIR…

Q: A Sallen Key low pass butterworth filter has C1=C2 = 0.01 microfarads and R1=R2 = 300K ohms. What is…

A: Given data C1 = 0.01 uF C2 = 0.01 uF R1 = 300 k ohm R2 = 300 kohm

Q: Calculate a series RC value that will produce a V = 9.85 V output at f= 123 Hz when V = 27 V at f=…

A: 1.A RC low pass circuit is having Input voltage, Vin=27 V.Frequency, f=123 Hz.The output voltage,…

Q: The cut off frequency of a first order passive low pass filter is 10 kHz. Estimate the value of R…

A: The circuit diagram of a first-order passive low pass filter is shown below: It consists of a…

Q: what is phase shift? in your own words. ( in one or two sentences) what is passive low pass filter?…

A: Phase shift: It is defined as change in the phase of output due to the presence of passive energy…

Q: a)Does this Oscilloscope trigger on the rising or falling edge of the signal? b) At what voltage…

A: Introduction: Oscilloscopes (also known as scopes) are devices that test and display voltage signals…

Q: What filter should be used in order to avoid aliasing? Band-Stop High-Pass Band-Pass Low-Pass

A: In the diigital signal processing , aliasing occurs in the system  due to deficiency in sampling…

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.