Assertion: passive attenuator | /r/ObjectUse | used in common use
Facets:
value: because of matched impedances
type: CAUSE
value: because of active circuitry
type: CAUSE
value: less frequently
type: DEGREE
value: in radio
type: LOCATION
Source sentences:
text: Once in common use in radio, the passive attenuator is used less frequently today because of active circuitry and bridging impedances instead of matched impedances.