In electronics, a vacuum tube, an electron tube,[1][2][3] or valve, is a device that controls electric current atween electrodes in an evacuatit conteener.

Modren vacuum tubes, maistly miniatur style


  1. Reich, Herbert J. (April 13, 2013). Principles of Electron Tubes. Literary Licensing, LLC. ISBN 978-1258664060.
  2. Fundamental Amplifier Techniques with Electron Tubes: Theory and Practice with Design Methods for Self Construction. Elektor Electronics. January 1, 2011. ISBN 978-0905705934.
  3. "RCA Electron Tube 6BN6/6KS6". Retrieved 2015-04-13.