bandstop filter


Also found in: Dictionary, Medical, Acronyms.
Related to bandstop filter: bandpass filter, Notch filter

bandstop filter

An electronic circuit that accepts a signal and attenuates (reduces) certain frequencies. For example, it may be used to eliminate hum in a line. See bandpass filter and notch filter.
References in periodicals archive ?
Zheng, "A compact dual-band bandstop filter with defected microstrip slot," Journal of Electromagnetic Waves and Applications, Vol.
A UWB bandstop filter using the D-CRLH-TL, which is consists of an "H"-shaped DGS and two stubs with rectangular patches, is proposed in this paper.
Zhu, "New defected microstrip structure bandstop filter," PIERS Proceedings, 1471-1474, Suzhou, China, Sep.
There are many methods to achieve an elliptic or quasi-elliptic bandstop filter design [3-5].
Thus, a dual narrow-band bandstop filter is constructed and its configuration is depicted in Fig.
In order to analyze the proposed dual-band bandstop filter in detail, comparison of the bandstop filter with normal arrayed and stagger arrayed DGS patterns is given in Fig.
A suitable application of the coupling matrix technique to bandstop filters expands the use of matrix operations beyond passband responses.
We normalize the bandstop filter's center frequency at 1 GHz, and it leads to transmission zeros distributed by pairs symmetrically placed around the center frequency [f.sub.0].
It is usually necessary to add either the lowpass or bandstop filter that can reject the spurious signals.
Finally, an ideal bandstop filter with normal operating frequency (1 GHz) is designed, calculated, and discussed by using lossless transmission-line and coupled-line models.
The traditional methods include: a wide-band bandpass filter and a bandstop filter cascaded [1] and two different filters set in parallel [2].
There is no upper frequency limit for passing the sinusoidal signal from the bandstop filter. This happens because we have a large voltage drop on the resistance of potentiometer when Rpoten.