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Electronic filter

Electronic filters are a type of signal processing filter in the form of electrical circuits. This article covers those filters consisting of lumped electronic components, as opposed to distributed-element filters. That is, using components and interconnections that, in analysis, can be considered to exist at a single point. These components can be in…

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Overview

History

Classification by technology

The transfer function

Classification by topology

Classification by design methodology

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Electronic filter

Nodes80
Edges79
Triples24
Avg. degree1.98
Density0.025
Components1

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Electronic filter

Top relations

related to history · 13
Electronic filter → Campbell's, Cauer's, George Campbell, However, Multipole LC, Otto Zobel, RC, RL, The, These, Together, Wilhelm Cauer, World War II
related to Classification by topology · 3
Electronic filter → Any, Electronic, Filters

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Important terminology

filters filter electronic components passive circuit inductors active image capacitors low-pass function linear design analysis frequency signal transfer impedance network

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
transistors.Inductors block high-frequency signalsinstance ofbecause they do not depend upon an external power supply and they do not contain active components0.80text
conduct low-frequency signalsinstance ofbecause they do not depend upon an external power supply and they do not contain active components0.80text
while capacitors do the reverseinstance ofbecause they do not depend upon an external power supply and they do not contain active components0.80text
stop-band rejection or slope of transition from pass-band to stop-band.Reflectionless filterReflectionless filters are passive structures that in principle have identically zero reflection coefficient at all frequenciesinstance ofMore elements are needed when it is desired to improve some parameter of the filter0.80text
stop-band rejection or slope of transition from pass-band to stop-bandinstance ofMore elements are needed when it is desired to improve some parameter of the filter0.80text
transmission linesinstance ofas opposed to distributed components0.80text
Kirchhoff's laws to obtain the transfer functioninstance ofThe higher mathematics used originally required extensive tables of polynomial coefficient values to be published but modern computer resources have made that unnecessary.Direct…0.80text
Kirchhoff's laws to obtain the transfer functioninstance ofDirect circuit analysisLow order filters can be designed by directly applying basic circuit laws0.80text
Electronic filterrelated to Classification by topologyElectronic0.60section
Electronic filterrelated to Classification by topologyFilters0.60section
Electronic filterrelated to Classification by topologyAny0.60section
Electronic filterrelated to historyThe0.60section

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