What does passband mean?
A passband refers to a specific range of frequencies within which a signal is transmitted or received with minimal attenuation or distortion. This concept is crucial in electronics, telecommunications, and signal processing, where filters and transmission systems are designed to allow signals within a certain frequency range to pass through while rejecting or attenuating signals outside that range. The passband is typically defined by its lower and upper cutoff frequencies and is a key parameter in determining the performance of a filter or transmission system. Understanding passbands is essential for designing and optimizing communication systems, audio equipment, and other electronic devices.
nounA range of frequencies within which a signal is transmitted or received with minimal attenuation or distortion.
- A range of frequencies in a filter or transmission system.
- A specific range of frequencies used for communication or signal processing.
"The radio filter was designed to have a narrow passband to reduce interference."
"The audio equipment was set to only allow signals within the 20 Hz to 20 kHz passband to pass through."
"The telecommunications engineer adjusted the passband of the receiver to optimize signal quality."
Used when referring to multiple ranges of frequencies.
"The system was designed to handle multiple passbands simultaneously."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of passband
The term 'passband' originated from the combination of 'pass' and 'band', referring to a range of frequencies that a signal can pass through. The concept of passbands emerged with the development of electronic filters and communication systems in the early 20th century.
How passband is actually used
Often used in technical contexts such as electronics, telecommunications, and signal processing.