| 摘要 |
The circuit for compensating the balance of two signals, generated by respective two channels of an audio appts. and then amplified by an LF amplifier, comprises two detector and a differential comparator, generating two comparison signals with different DC amplitude in response to the two signals. Two amplifiers receive the comparison signals and control the amplifying factor in accordance with the input voltage, in order to equalise the balance of the two signals. The two equalised signals are supplied to the LF amplifiers.
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