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Perform audio line receiver impedance balancing
Keywords:single op-amp differential amplifier audio balanced line receiver common-mode rejection
[Summary of tips] The single op-amp differential amplifier shown in figure 1 is often employed as an audio balanced line receiver. Obtaining high common-mode rejection is a critical requirement that requires four highly-matched resistors.Audio line receiver ICs, with laser trimmed on-chip resistors (such as the unity-gain THAT1240/INA134 or "-6d......Please login or register with us to view this article>>
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