BG2NAO Why does this calculation result in 6 dBµV? Shouldn't it be 0? Could you please explain how this is calculated?
BG5EQA Instead, use a software that provides answers and explanations for each question. There are six questions in total: voltage of 1 μV and 0.5 μV, which can be memorized easily. When you say "0" refers to 0.5 μV, you mean the voltage level in dBμV.
BG5EQA BG2NAO 1μV测值： 灵敏度 = 2μV 功率 = -107dBm 电平 = 6dBμV 0.5μV测值： 灵敏度 = 1μV 功率 = -113dBm 电平 = 0dBμV（基准） 因10dB信噪比，测值要翻倍 1μV测值 → 灵敏度2μV 0.5μV测值 → 灵敏度1μV 你可以用着网页版的https://exam.bh5hsu.com/
BH9DWE Here, sensitivity is defined as the electric potential of the input signal source. The port voltage (the 1µV that we measured) is half of the electric potential, so when calculating sensitivity, you should multiply by 2, which equals +6 dB.
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