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bh4jvk:能帮我做个声表面 滤波器吗 我付费 (2014-04-12 16:01)
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songxiang:两个晶体桥接,这要求两个晶体有频差200赫兹吧? (2014-04-12 18:44)
bg5emc:[图片] (2014-04-12 09:15)
BG6KHC:75M的已经很不错了, 不过插损怎么这么大呢? (2014-04-14 08:07)
songxiang:如何改进的?两个晶体同频可以吗? (2014-04-14 01:15)