DWT versus band-pass filter

1. Why would you use a band pass filter?
2. What is the difference between a band pass and band stop filter?
3. What is the difference between lowpass and bandpass?
4. What are the two types of bandpass filter?

Why would you use a band pass filter?

Bandpass filters are widely used in wireless transmitters and receivers. The main function of such a filter in a transmitter is to limit the bandwidth of the output signal to the band allocated for the transmission. This prevents the transmitter from interfering with other stations.

What is the difference between a band pass and band stop filter?

A band-pass filter admits frequencies within a given band, rejecting frequencies below it and above it. Figure 8.3 shows the frequency response of a band-pass filter, with the key parameters labelled. A stop-band filter does the reverse, rejecting frequencies within the band and letting through frequencies outside it.

What is the difference between lowpass and bandpass?

Unlike the low pass filter which only pass signals of a low frequency range or the high pass filter which pass signals of a higher frequency range, a Band Pass Filters passes signals within a certain “band” or “spread” of frequencies without distorting the input signal or introducing extra noise.

What are the two types of bandpass filter?

Bandpass filters are categorized into two types: wide bandpass filter and narrow bandpass filter.