الفرق بين db و dbm

Similarly, a power unit of dBW is decibels relative to 1 W of power. As you’ve seen, both dB and dBm are a way of quantifying power and intensity, so let’s focus on the differences: dB quantifies the ratio between two values, whereas dBm expresses the absolute power level

2023-02-04
    كشري ابو طارق ج
  1. dB est une unité sans dimension alors que dBm est une unité absolue
  2. 2
  3. 5 Gb/s are measured to be −46