Pentode transistor

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A pentode transistor is any transistor having five active terminals.


Early pentode transistors

One early pentode transistor was developed in the early 1950s as an improvement over the point-contact transistor.

Pentode field-effect transistors having 3 gates, similar to vacuum tube pentodes have also been described [1]

Modern pentode transistors


  1. US Patent 4,104,673 August 1,1978 [ permanent dead link ]