PHPWIND
HELLOCQ
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请问是用什么频率和多少功率来测试的?用双孔磁环来做,不用考虑隔离问题?为啥?
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BG7HZZ:今天做了一个,双孔磁环用bn-43-202型的,每孔绕10t,电感量约为207uh,检波管用in60,瓷片电容用0.033的,运放电路不要,真接用数字表测fwd及ref端电压。接50欧假负载,fwd端为1.43v,ref端为0.01v,接75欧假负 .. (2011-03-27 20:59)
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