Assertion: traveling wave tube | /r/HasProperty | twt
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Source sentences:
text: A traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range.
text: Traveling-wave tubes (TWTs) are very good amplifiers and are even used in some communications satellites.