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HELLOCQ
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最初由 lingmeng 发表http://www.qsl.net/iz7ath/web/02_brew/15_lab/02_dipper/english/pag03_eng.htm
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bf961,3sk73,3sk74,3sk122.这几个管子西安都买不到呀!能不能给几个常用的型号呀?
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你的pcb怎么没有大面积接地的焊盘啊?走线长了一些,估计频率用不高.
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