楼主: yzxky
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自己买的稳压电源,2个TO-3的功率管没有电路板,想自己做一个。主要目的是想学PROTEL |
发表于 2020-2-22 20:16:06
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发表于 2020-3-3 13:21:13
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发表于 2020-3-5 09:25:21
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