频谱分析仪即使关闭也仍然可以接收电量吗？

嗨 - 我们大多数新型频谱分析仪没有“关闭”设置;
他们有待机设置。
这意味着虽然分析仪不能运行，但它仍然消耗少量电力。
在某些分析仪中，此备用电源也为10 MHz参考电压供电，以保持稳定。
但是，这不是在X系列或ESA系列分析仪中完成的。
相反，待机期间消耗的少量功率仅用于检测何时按下电源开关并为实时时钟供电（尽管实时时钟也具有备用电池）。
由于分析仪在待机模式下吸收的电流非常小，因此可能不会受到高功率浪涌的影响（请记住，功率是电压乘以电流）。
但是，它可能容易受到高压瞬态的影响。
到目前为止，我还没有发现任何我们认为分析仪在待机状态下因电压瞬变或电源浪涌而损坏的情况。
问候 -



     以下为原文

  Hi -

Most of our newer spectrum analyzers do not have an “off” setting; they have a standby setting. This means that while the analyzer is not operational, it is still consuming a small amount of power. In some analyzers, this standby power also powers a 10 MHz reference, to keep it stable. This is not done in the X-Series or ESA family of analyzers, however. 

Instead, the small amount of power consumed during standby is used solely to detect when the power switch is pushed and to power a real-time clock (although the real time clock also has a battery backup). 

Since the analyzer is drawing very little current in the standby mode, it will probably not be susceptible to a high power surge (remember, power is voltage times current). However, it might be susceptible to a high voltage transient. 

To date, I am not aware of any instances where we believe an analyzer was damaged by a voltage transient or power surge while in standby.

Regards -