"This application note provides details and examples about how the Keysight NFA Series noise figure analyzer (NFA) performs measurements in amplifier, downconverter and upconverter measurement mode".
何谓USB Power Delivery?USB Power Delievry(USB供电/以下简称USB PD)是利用USB(Universal Serial Bus)电缆,最大可100W供电受电的USB供电扩展标准。
以往的USB最大供电功率分别为USB 2.0最大2.5W,USB 3.0最大 ...