Assertion: rf amplifier | /r/CapableOf | amplify frequency
Facets:
value: between 20 khz
type: LOCATION
value: in the radio frequency range
type: OTHER
value: between 300 ghz
type: LOCATION
Source sentences:
text: For example, audio amplifiers amplify signals in the audio (sound) range of less than 20 kHz, RF amplifiers amplify frequencies in the radio frequency range between 20 kHz and 300 GHz, and servo amplifiers and instrumentation amplifiers may work with very low frequencies down to direct current.