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引用第3楼zzc42170032于2009-07-01 08:44发表的 : ?})A-$f ~ LNA的材质还是MMIC最好,但是价钱很高,LTCC其次,价钱还是可以接受,PCB板最便宜,性能什么的也有不如前面两种,量力而为。 dCd~]CI
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