励れい振しん管かん

noun

exciter tube

Technical term in electronics; refers to a vacuum tube used to drive or excite a subsequent stage, such as in radio transmitters.

• この送そう信しん機きの最さい終しゅう段だんには励れい振しん管かんが使つかわれている。

  An exciter tube is used in the final stage of this transmitter.