Assertion: early oscilloscope | /r/CapableOf | use cathode ray tubes
Facets:
value: as linear amplifiers for signal processing
type: PURPOSE
value: as their display element
type: MANNER
Source sentences:
text: Early oscilloscopes used cathode ray tubes (CRTs) as their display element (hence they were commonly referred to as CROs) and linear amplifiers for signal processing.
text: Early oscilloscopes used cathode ray tubes (CRTs) as their display element (hence they were commonly referred to as CROs) and linear amplifiers for signal processing.