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<a accesskey="3" href="page.php?w=Traveling-wave_tube&amp;p=2">3.Next</a>
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<p><a href="page.php?w=Image%3ATWT_Shtormovka.jpg">thumb</a>A <b>traveling-wave tube</b> (<b>TWT</b>, pronounced "twit") or <b>traveling-wave tube amplifier</b> (<b>TWTA</b>, pronounced "tweeta") is a specialized <a href="page.php?w=vacuum_tube">vacuum tube</a> that is used in <a href="page.php?w=electronics">electronics</a> to amplify <a href="page.php?w=radio_frequency">radio frequency</a> (RF) signals in the <a href="page.php?w=microwave">microwave</a> range.  It was invented by <a href="page.php?w=Andrew_V._Haeff">Andrei Haeff</a> around 1933</p><p>
<a accesskey="3" href="page.php?w=Traveling-wave_tube&amp;p=2">3.Next</a>
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