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FB悬空当然要烧**啦
2021-5-18 21:28
- 电源技术
- 28
- 7655
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看到这个电路,搞不明白两个二极管是做什么用的?
2008-5-26 10:22
- 新手园地
- 24
- 3592
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有12V的电源.如果弄出来一个-12V呢.要20mA就够.感谢指点
2007-10-23 07:20
- 电源技术
- 13
- 2381
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uc3842导通时间小于1us时,系统不稳定。
2007-10-31 13:43
- 电源技术
- 6
- 1958
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3842开关电源,当带了100 OHm负载后+/-21V的电压电压就被拉到8V
2008-2-14 05:30
- 电源技术
- 5
- 1781
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