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Intermediate-frequency amplifier
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<p>Intermediate-frequency (IF) amplifiers are <a href="/facts/Amplifier/pnRgxncC">amplifier</a> stages used to raise signal levels in radio and television receivers, at <a href="/facts/Intermediate_frequency/9mPpJtSA">frequencies intermediate</a> to the higher <a href="/facts/Radio-frequency/aWku7h4R">radio-frequency</a> (RF) signal from the antenna and the lower (baseband) audio or video frequency that the receiver is recovering. </p>