“intermediate-frequency amplifier”的概念、定义、翻译、参考文献-科学参考

单词	intermediate-frequency amplifier
释义	intermediate-frequency amplifier [´in·tǝr`mēd·ē·ǝt ¦frē·kwǝn·sē `am·plǝ´fī·ǝr] ^ELECTRONICS The section of a superheterodyne receiver that amplifies signals after they have been converted to the fixed intermediate-frequency value by the frequency converter. Abbreviated i-f amplifier.
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