Also found in: Encyclopedia, Wikipedia.


The range of frequencies transmitted by a bandpass filter.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Mentioned in ?
References in periodicals archive ?
There are three benefits of 3D shaping: increase of capacity by shaping constellation points' probability with Fractional QAM; increase of reach by shaping constellation points' location; and maximisation of channel passband usage by shaping spectral width with adaptive baud rate.
One transmission ([TZ.sub.1]) is allocated on the left side of the passband, while the other ([TZ.sub.2]) experiences a significant frequency shifting.
Narrow bandpass filters (NBPFs) are often required for multimode and multiband operations in various wireless systems in order to remove multiple spurious frequency components existing very close to the desired passband frequency.
The location of the passband and its width are critical factors that affect the design implementation of the filter.
When the measurements are centered between the start and stop frequencies, where the start frequency is distant from the WMF of the VNA, so that any extrapolation for low frequencies and DC component becomes critical in approximation terms apart from the WMF value, then the IDFT has to be applied only to the measured frequency points; this case is called "passband mode" by Manufacturers of VNAs [12-15].
The desired response function in the passband is chosen as [8]
np and ns are the sets of dense grid points in the passband and the stopband, respectively.
The first UWB BPF is a dual-stop band filter and it is formed by cascading several microstrip ring resonators with loaded open stubs .Later on, such a wideband filter with the specified passband is constructed by directly cascading a single low pass filter with a single high pass filter on microstrip line and suspended strip line ,cascading microstrip-to-coplanar waveguide (CPW) broadside-coupling sections together and non-periodically interrupting several short-circuited stubs with a uniform microstrip line in (G.M.Yang, R.Jin, and J.Geng, 2006).
The result of the effect of the Fourier filter with a passband from 13 to 35 Hz corresponding to the beta rhythm range is shown in Figure 6.
To achieve two passbands with controllable bandwidth, two poles existing in each passband are needed.
These 2 to 12 pole crystal filters can operate over a temperature range of -55 to +85 degrees C with a bandwidth @3dB from [+ or -]2kHz and with the passband ripple as low as 0.5dB and insertion loss down to 2.5dB.