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"输出电压正好减半" 错! 稳压电路都是有额定输出电压的, 而且输入电压必需高于此额定电压一定数值才能保证稳压电路工作正常. 如果输入电压过低, 输出电压是不稳压的

eglington (eglington)
(#215565@0)
2001-10-3 -04:00
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