A certain range of frequencies that can pass through a filter without being blocked (more specifically, without being attenuated).

Refers to the range of frequencies that will be allowed to pass through the speaker system (the frequencies you will be able to hear/feel). Any frequencies above or below the passband will be attenuated (reduced).

A range of frequencies passed by a device or network.

the frequency region in which there is little signal attenuation. For a LPF this extends from DC to the start of the transition band (referred to as the corner of the passband). ~~~~~ go back with your browser back button. If lost, go home

a set of two frequencies between which the data will be passed

The range of frequencies along which a medium (such as a wire) will treat all frequencies equally in terms of distortion and signal degradation e.g. the local loop has a passband of 300-3400Hz Close this window

The frequency range that the filter is designed to pass with minimum attenuation. This is usually defined by the half power points (-3 dB).

A range of frequencies that has a non-zero lower limit and some upper limit.

The range of wavelengths transmitted by an optical filter.

The frequency interval that is propagated through a filter with minimum insertion loss.

The frequency range in which a filter is intended to pass signals.

A frequency range in which attenuation is guaranteed to be equal to or less than a designated value in dB, typically 3 dB.

The frequency range of a bandpass filter which has low insertion loss and therefore allows the signal to pass. A passband is defined by identifying its upper and lower frequency.

The range of frequencies a data line is capable of handling. Passband is often confused with bandwidth, the width of a channel contained within the passband.

Frequency band width in which the attenuation is the same or less than a specified value. Pass bandwidth is specified by minimum value, usually 3dB

The band of frequencies that passes through a filter with essentially no attenuation.

The region of usable frequency in electronics or wavelength in optics.

A wavelength range used to denote a specific part of the spectrum that passes through a filter. Passbands can be very narrow (10 nm for our Interference filters) or very large (100+ nm for color dichroic filters).

The range of frequencies passed by an audio low-pass, high-pass or bandpass filter. Normally measured at the -3 dB point: the frequency point where the amplitude response is attenuated 3 dB ( decibels) relative to the level of the main passband. For a bandpass filter two points are referenced: the upper and lower -3dB points. The -3dB point represents the frequency where the output power has been reduced by one-half. [Technical details: -3dB represents a multiplier of 0.707. If the voltage is reduced by 0.707, the current is also reduced by 0.707 (ohms law), and since power equals voltage-times-current, 0.707 times 0.707 equals 0.5, or half-power.

In telecommunications, optics, and acoustics, a passband is the portion of spectrum, between limiting frequencies (or, in the optical regime, limiting wavelengths), that is transmitted with minimum relative loss or maximum relative gain by a filtering device.