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VCA820自动增益调节电路发热

Other Parts Discussed in Thread: VCA820

最近利用VCA820数据手册中的自动增益调节电路示例搭建了一个自动增益放大电路,电路运行过程中VCA820放大器发热是否严重,电路板很烫。想请教一下有什么办法可以改进。