active filter


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active filter

[′ak·tiv ′fil·tər]
(electronics)
A filter that uses an amplifier with conventional passive filter elements to provide a desired fixed or tunable pass or rejection characteristic.
References in periodicals archive ?
The villain of the piece emerges as the Planning Ministry which failed to play the role of active filter with the obvious conclusion that it was politically influenced or directed, and surrendered what independence it had and uncertain ground now lies ahead.
Sanchez-Sinencio, "Active filter design using operational transconductance amplifier: a tutorial", IEEE Circ.
Out of the several configurations of hybrid filters, the series hybrid filter suits the best one which contains a small rating of series active filter with tuned passive LC filters.
Additionally, the proposed system has the advantage of operating as a conventional active filter, as shown in Figure 7.
The THD value calculated for the computation has been compared with the output of Shunt Active filter installed after the detection to reduce the harmonics [1].
Derbel, "Optimization of a rail to rail low voltage CCII for active filter applications," in International Conference on Design and Technology of Integrated Systems in Nanoscale Era, DTIS'08, 2008.
The proposal, labeled in the Alabama legislature as (https://legiscan.com/AL/text/HB428/2017) House Bill 428 , would "prohibit the sale of a device that provides Internet access unless the device contains an active filter that blocks access to specified types of obscene material."
Figure 1 presents the schematic diagram of experimental three-phase four-wire shunt active filter connected to the power system.