Assertion: transistor's collector | /r/HasProperty | useful
Facets:
value: because of its very high input impedance
type: CAUSE
value: very
type: DEGREE
value: for impedance matching applications
type: PURPOSE
Source sentences:
text: The common collector, or emitter follower configuration is very useful for impedance matching applications because of its very high input impedance, in the region of hundreds of thousands of Ohms while having a relatively low output impedance.