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A common-phase audio power amplifier circuit powered by a split power supply using LM1877
Source: InternetPublisher:MartinFowler Keywords: Audio power amplifier LM1877 Updated: 2024/09/13
As shown in the figure, this is a common-phase audio power amplifier circuit powered by a split power supply of LM1877. This circuit uses a transformer and a bridge rectifier circuit to split the power supply into two, namely V and V-. V- is connected to the ground terminal of the original LM1877 circuit, thereby doubling the dynamic range of the amplifier.
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