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引用第3楼footyong于2009-11-09 15:30发表的 :
* A! Q0 I" ^' @; K恩,我们这边用示波器,将一欧电阻接在电源两端,用示波器测试两端电压,示波器可以持续监视电压波动,可以很准确的测量出一秒末的电压 " the total battery voltage does not exceed 2,5 V, measured 1 s after a 1 Ÿ resistor has
' v5 ^! ~9 m# j6 J$ Y: P, f6 ebeen connected between the supply terminals of the toy, with any current limiting device ; r5 j- F' ]" s8 v x
short-circuited and without the toy being operated.", t# N% I C' N: K" h
"the total battery voltage "是一秒末的电压吗?
0 A% _: y5 K) M7 [3 z; c2 @用万用表测量是否可行? |
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