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简单电路测试电池流失

消耗积分:0 | 格式:pdf | 大小:0.05 MB | 2017-04-11

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  The movie “Chinatown” has inspired a simple alternative to the expensive data-acquisition systems and chart recorders normally required in these efforts. (Jack Nicholson placed a cheap watch under the tire of a parked car so he could return at his convenience to check the time of departure.) A similar trick marries a cheap (but low-power) clock to a low-power comparator/reference circuit (Figure 1).
 

简单电路测试电池流失

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