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FM高频头,用电子管高放和混频,但是本震用晶体管行吗? |
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发表于 2020-9-23 23:02:25
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发表于 2020-9-24 00:02:45
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发表于 2020-9-25 22:52:58
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发表于 2020-9-26 09:42:45
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发表于 2020-9-26 11:00:49
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