许多公司的高管可能都不一定知道业务部门在使用AWS和其他类似的服务。
In many firms senior managers probably do not even know that business units are using AWS or similar services.
使用一个二极管或是27mH RF 扼流圈接地可让检波单元正常工作，RF扼流圈表现更好，但不一定买得到，所以二极管好些。
A diode or a 27mH rf choke going to ground provides the dc return so the detector will work. The rf choke does a better job, but they aren't always available. So the diode will work ok.
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