Article

Selectivity of notch filters using nonuniform RC lines

Georgia Institute of Technology, Atlanta, USA
Electronics Letters (impact factor: 0.96). 10/1965; DOI:10.1049/el:19650188 pp.204 - 206
Source: IEEE Xplore

ABSTRACT The notch selectivity of a notch filter is defined as the halfpower selectivity of a feedback amplifier with an open-loop gain of 40dB and the notch filter in its feedback circuit. Parameters of the exponential, the trigonometric, and the hyperbolic RC lines for different selectivities are given.

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Keywords

feedback circuit
 
halfpower selectivity
 
hyperbolic RC lines
 
notch filter
 
notch selectivity
 
open-loop gain
 
trigonometric
 

K.L. Su