Band pass signal

A bandpass signal is a signal containing a band of frequencies not adjacent to zero frequency, such as a signal that comes out of a bandpass filter.

1. What is band pass low pass and high pass signal?
2. What is the difference between baseband and passband signal?
3. What is band pass sampling?

What is band pass low pass and high pass signal?

A band pass filter is a combination of a high pass and a LPF. It allows only a select range of frequencies to pass through. It is designed such a way that the cut off frequency of the LPF is higher than the cut off frequency of the high pass filter, hence allowing only a select range of the frequencies to pass through.

What is the difference between baseband and passband signal?

Baseband transmission sends the information signal as it is without modulation (without frequency shifting) while passband transmission shifts the signal to be transmitted in frequency to a higher frequency and then transmits it, where at the receiver the signal is shifted back to its original frequency.

What is band pass sampling?

Bandpass sampling performs digitization and frequency translation in a single process. In BPS, we can sample the signal at twice the information bandwidth and remain consistent with the Nyquist sampling theorem.