我最近在使用CC1101+CC1190做一个远距离的无线收发装置,按照CC1101_CC1190EM_915MHz_SCHEMATIC_1_2_0电路制作后发现PA效果非常不明显,功率设置到最大时才一百多米,不加1190时最大距离都能有五六十米。想请问下电感元件的J_LQW、B_LQW、G_LQW和S是层叠电感、绕线电感等等分类还是有其他什么要求?
我电源电源使用的是TLV2217-33或者LIM317,3.3v
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可参考TI的参考设计 http://www.ti.com/tool/cc1101cc1190emk915 以及文档http://www.ti.com/lit/an/swra356/swra356.pdf