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抄PCB板用什么办法最快啊??
2013-6-2 11:57
- 电子技术交流论坛
- 9
- 1645
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求推荐DC18V转DC5V的稳压电源芯片
2013-5-30 08:11
- 电源技术
- 11
- 4355
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大家好,帮我推荐一款便宜的稳压芯片,20-30V输入,5V输出
2010-8-19 10:47
- 电源技术
- 16
- 3643
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求升压芯片!
2010-1-19 11:47
- 电源技术
- 9
- 1994
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请推荐一款稳定输出5V可调,1A-1.5A的DC-DC
2009-10-30 16:51
- 电源技术
- 6
- 2106
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用锂电需要由3V左右升压到5V输出,请帮忙推荐升压芯片
2009-11-8 21:49
- 电源技术
- 10
- 2740
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PCb图-望高手指点一下
2007-7-18 21:24
- 新手园地
- 22
- 2828
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单片机IO口驱动三极管的疑问。
2016-9-23 10:58
- 电路赏析
- 90
- 28439
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chunyang请进
2007-2-9 09:15
- 电子技术交流论坛
- 13
- 2028
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音频电路走线注意哪些事项?铺什么信号的铜
2007-2-9 14:52
- PCB技术
- 5
- 4094
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焊接的问题各位老师请教了
2007-2-25 00:41
- 新手园地
- 30
- 4811
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讨论一下电路
2007-1-16 17:09
- 模拟技术论坛
- 17
- 2958
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请教图中R1是起什么作用呢?
2007-1-16 16:38
- 电子技术交流论坛
- 3
- 1763
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这个电路里,二极管是否导通?
2012-4-18 16:21
- 电路赏析
- 64
- 10763
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