Assertion: amplifier | /r/HasProperty | switched
Facets:
value: better
type: MANNER
value: depending on their switching frequency
type: OTHER
Source sentences:
text: Depending on their switching frequency, they may be "switched on" or "off" millions of times a second.
text: They are better termed "switching" amplifiers, because here the output devices are rapidly switched on and off at least twice for each cycle.
text: A class 'D' amplifier, which may also be known as a switching amplifier or a digital amplifier, utilizes output transistors which are either completely turned on or completely turned off (they're operating in switch mode).
text: In D.T.N. Williamson's 1949 update in Wireless World several small changes to the circuit were suggested along with a list of alternative triodes and the more significant change in rectifier to the indirectly heated Cossor 53KU or 5V4 to prevent "a damaging voltage surge when the amplifier is switched on".