Subject	amplifier
Predicate	have
Object	high input impedance
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9363
Neighborhood Sigma	0.9967
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source amplifiers have high input impedance 2 Google Autocomplete amplifiers have a high input impedance 2 Answers.com Questions