EntityQ1055222· pop 32· linked from 395 articlesspectrum analyzerSign in to saveInstrument that measures the magnitude of an input signal versus frequency within the full frequency range of the instrumentConnectionsradio frequencyEntityband-pass filterEntityIsaac NewtonPersoncomputerEntityWorld War IIConceptInternational Standard Book NumberEntitytelecommunicationsEntitycentral processing unitEntityWayback MachineEntityradarEntityRoyal SocietyEntityHewlett-PackardEntityelectromagnetic spectrumEntityelectric powerEntityammeterEntityspectrumEntityoscilloscopeEntitygalvanometerEntityvoltmeterEntityfrequency modulationEntityCategoriesAcousticsElectronic test equipmentLaboratory equipmentRadio technologyScatteringSignal processingSpectroscopySpectrum (physical sciences)