Jennifer Zhao – GM of System Management Products at NXP

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Jennifer Zhao – GM of System Management Products at NXP

Member Blog Posts: amplifier, ab-audio-amplifier

  • 2 Watt Class-AB Audio Amplifier by BD139 and BD140

    2 Watt Class-AB Audio Amplifier by BD139 and BD140

    Posted Jan 13, 2012 By Circuit Projects

    Here is a 2W Class-AB audio power amplifier which provides low harmonic distortion (≈ 1.5%) and wide frequency response. It is also capable of driving an 8Ω loudspeaker with an output power of 5W but this time distortion increases slightly. Supply voltage is between 12V and 18V.

    The…

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