首先,我们必须建立电容值大小的概念:电容的单位 (Farad)是 很大的单位,通常我们并不直接以Farad为单位,而是以pico-farad(10 -12 F,记为 pF)和micro-farad(10 -6 F,记为μ F)为单位。
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今天，我老婆在玩填字游戏时问我电容的单位是什么我却答不上来。我是拿到电力工程学位毕业的。
Today, I have a degree in electrical engineering, my wife was doing a crossword and asked me what are the units of capacitance, I couldn't remember.
超级电容(单位能量比电池贵)只可以存储类似锂离子电池5%的电量。
Ultracapacitors (which are also more expensive per energy unit than batteries), can store only about 5 percent of the energy of comparable lithium-ion batteries.
用单位增益缓冲器构成的开关电容滤波器（SCF），若能消除寄生电容引起的“阻性”寄生，则可用于高频设计，总寄生灵敏度会因此大大降低。
The unity gain buffer will be good for designing high frequency SCF if its resistive effect can be eliminated and then the overall parasitic sensitivity will be greatly lowered.
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