Title :
A voltage-controlled tunable active null network
Author :
Steber, G.R. ; Krueger, R.J.
Abstract :
A realization of Reshef´s voltage-controlled tunable active filter is presented. By placing constraints on the input voltages, independent control of the null frequency is achieved through variation of a single parameter.
Keywords :
Active filters; Building materials; Frequency; Microwave filters; Network synthesis; Operational amplifiers; Transfer functions; Tuning; Uncertainty; Voltage control;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1969.6936
