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<p>exists between the anode and cathode. A <a href="page.php?w=pseudospark_switch">pseudospark switch</a> operates in a similar regime of the <a href="page.php?w=Paschen%27s_law">Paschen curve</a> as a thyratron and is sometimes called a <a href="page.php?w=cold_cathode">cold cathode</a> thyratron.</p>

<p>A thyratron consists of a <a href="page.php?w=hot_cathode">hot cathode</a>, an anode, and one or more <a href="page.php?w=control_grid">control grids</a> between the anode and cathode in an airtight glass or ceramic envelope that is filled with</p><p>
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