Title :
Comments on "A third-order active-filter realization having a complex pole with a low Q-sensitivity with respect to the gain-bandwidth product of operational amplifier"
Author :
Prasad, Nishanth K.
Abstract :
It is shown here that the low Q-sensitivity of the circuit described in the above letter [1] is achieved at the expense of a large increase in the expected ω0sensitivity. In addition, various errors in the text of the above letter are cited here.
Keywords :
Acoustical engineering; Bandwidth; Coupling circuits; Operational amplifiers; Oscillators; Poles and zeros; Radio frequency; Radiofrequency amplifiers; Resonant frequency; Transfer functions;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1980.11861
