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lmx2594做的板子TIDA-01346用了两个lmx2594的板子，因为输出功率改善6dB，噪声功率改善3dB，所以输出信号改善，想问问这个是怎么的出来的结论，能给出推导公式吗，谢谢！
组合信号以获得更好的噪声的基本理论与噪声是不相关的，而是与信号相关。当两个信号同相时，不相关的噪声以RMS方式增加，而信号则直接增加。
如果要了解更多，建议您参考这篇文章：
https://www.planetanalog.com/signal-chain-basics-116-combining-signals-for-better-performance/
