Definition of preamplifier
: an amplifier designed to amplify extremely weak electrical signals before they are fed to additional amplifier circuits
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Recent Examples of preamplifier from the Web
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The document said Broadcom had stopped shipping essential chips called preamplifiers to Western Digital.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'preamplifier.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of preamplifier
1934
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