PHPWIND
HELLOCQ
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BA7KW:Dx engineering 有款类似的,17DB增益,3.5db的噪声,要卖100多刀。EHAM的评价不错。 (2015-10-24 06:51)
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BG4DRL:好眼力... 高大上的Lab amp 老美就是不卖给中国ham (2015-12-16 20:06)
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XJXHR:很多短波前置放大或天线分配器都用到了2N5109 请看:http://www.hellocq.net/forum/read.php?tid=346431&ds=1&page=1&toread=1#tpc (2015-12-20 21:14)
icom71e:正在玩着还不错单环 环形天线 有效 (2015-12-02 10:23)
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BH4rrg:[图片]咖喱放大器加30公分铜丝在室内接收效果,5M BPM上半部分是开了咖喱放大,下半部分是关了咖喱放大,下面传播好点时咖喱放大的效果 [图片]. .. (2017-11-22 21:10)
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