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picture-tube brightener |
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picture-tube brightener [′pik·chər ‚tüb ‚brīt·ən·ər]
(electronics) A small step-up transformer that can be inserted between the socket and base of a picture tube to increase the heater voltage and thereby increase picture brightness to compensate for normal aging of the tubes. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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