Tickler coil definitions

tickler coil

[n] - a small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback
Found on http://www.webdictionary.co.uk/definition.php?query=tickler%20coil

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tickler coil

noun a small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback
Found on https://www.encyclo.co.uk/local/20974

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