点评
塑封三极大管字面向上,面对管脚,左中右分别是 b基、c集 e射、
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点评
一般测电压时,低电位端先接触表笔,再用另一表笔接触高电位一端进行测量,测功放大管电流时,在大管集电极串电流表进行测量,万无一失.
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