EntityQ3072260· pop 18· linked from 248 articlesfilterSign in to savesignal processing device or process that removes unwanted components or features from a signal, or enhances wanted ones, or bothConnectionsoptical filterEntityband-stop filterEntityrippleEntitylumped-element modelEntitydiscrete time and continuous timeEntityGroup delay and phase delayEntityelectronic filter topologyEntitytelevisionEntityironEntityradioEntitysoundEntityelectronicsEntityInternational Standard Book NumberEntitysteelEntityalgorithmEntitycaesiumEntityyttriumEntityfrequencyEntitytransistorEntitytelecommunicationsEntityCategoriesFilter theorySignal processingTelecommunication theory