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我是用压敏电阻还是用瞬态抑制二极管好?
2011-11-24 16:48
- 电源技术
- 8
- 4086
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MOS管漏极与源极并联一个稳压二极管是什么作用???
2014-2-12 14:48
- 模拟技术论坛
- 62
- 23812
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电路如何分析
2011-11-23 16:23
- ZLG
- 13
- 1709
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
门禁的PCB 顺便把原理图也上传了
2012-8-15 23:02
- PCB技术
- 30
- 5071
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
★★★发现一块奇板,太牛X了!★★★
2013-10-23 16:39
- PCB技术
- 71
- 8728
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protel经验,整理网上资料,分享一下
2012-11-26 13:14
- 电路赏析
- 95
- 15653
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