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sc0 ls0 ws0"> </div><div class="t m0 x8 h8 yc ff4 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h8 yd ff4 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h8 ye ff4 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h8 yf ff4 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h9 y10 ff5 fs5 fc0 sc0 ls3 ws0">1.<span class="ls0"> <span class="_ _1"> </span><span class="ff6 sc1 ls4">概要</span> </span></div><div class="t m0 x9 ha y11 ff6 fs6 fc0 sc0 ls0 ws0">本应用文档为使用<span class="_ _2"> </span><span class="ff4">CM<span class="_ _0"></span>OSTEK Nex<span class="_ _0"></span>tGenRF</span></div><div class="t m0 xa hb y12 ff4 fs7 fc0 sc0 ls5 ws0">TM</div><div class="t m0 xb ha y11 ff6 fs6 fc0 sc0 ls0 ws0">系列单接收芯片进<span class="_ _0"></span>行产品开<span class="_ _0"></span>发的用户提供基<span class="_ _0"></span>本的原</div><div class="t m0 x3 ha y13 ff6 fs6 fc0 sc0 ls0 ws0">理图和<span class="_ _3"> </span><span class="ff4 ls6">PCB<span class="_ _3"> </span></span>版图设<span class="_ _0"></span>计指南，以期<span class="_ _0"></span>望帮助用户快<span class="_ _0"></span>速实现应用所需要<span class="_ _0"></span>的性能指<span class="_ _0"></span>标：如<span class="ls7">改善</span>灵敏度、<span class="ls7">降低</span></div><div class="t m0 x3 ha y14 ff6 fs6 fc0 sc0 ls0 ws0">功耗和系统成本、提高<span class="_ _0"></span>抗干扰能力<span class="_ _0"></span>等。<span class="ff4"> </span></div><div class="t m0 x9 ha y15 ff6 fs6 fc0 sc0 ls0 ws0">本文档涵盖的产品型号<span class="_ _0"></span>如下表所示<span class="_ _0"></span>。<span class="ff4"> </span></div><div class="t m0 xc ha y16 ff6 fs6 fc0 sc1 ls0 ws0">表<span class="_ _4"> </span><span class="ff5 sc0">1<span class="ls8">. <span class="_ _5"> </span></span></span>本文档涵盖的产品型号<span class="ff5 sc0"> </span></div><div class="c xd y17 w3 hc"><div class="t m0 xe hd y18 ff6 fs1 fc2 sc2 ls4 ws0">产品<span class="ls0">型号<span class="ff4 sc0"> </span></span></div></div><div class="c xf y17 w4 he"><div class="t m0 x10 hd y19 ff6 fs1 fc2 sc2 ls4 ws0">工作<span class="ls0">频率<span class="ff5 sc0"> </span></span></div></div><div class="c xf y17 w5 hc"><div class="t m0 x10 hd y1a ff6 fs1 fc2 sc2 ls0 ws0">（<span class="ff5 sc0">MHz</span>）<span class="ff5 sc0"> </span></div></div><div class="c x11 y17 w6 hc"><div class="t m0 x12 hd y18 ff6 fs1 fc2 sc2 ls0 ws0">调制方式<span class="ff5 sc0"> </span></div></div><div class="c x13 y17 w7 hc"><div class="t m0 x14 hd y18 ff6 fs1 fc2 sc2 ls0 ws0">主要功能<span class="ff5 sc0"> </span></div></div><div class="c x15 y17 w8 hc"><div class="t m0 x16 hd y18 ff6 fs1 fc2 sc2 ls0 ws0">配置方式<span class="ff5 sc0"> </span></div></div><div class="c x17 y17 w9 hc"><div class="t m0 x18 hd y18 ff6 fs1 fc2 sc2 ls4 ws0">封装<span class="ff5 sc0 ls0"> </span></div></div><div class="c xd y1b wa hf"><div class="t m0 x10 h10 y1c ff4 fs1 fc0 sc0 ls0 ws0">CMT2210LH </div></div><div class="c xf y1b w5 hf"><div class="t m0 x19 h10 y1c ff4 fs1 fc0 sc0 ls0 ws0">315/433.92 </div></div><div class="c x11 y1b wb hf"><div class="t m0 x1a h10 y1c ff4 fs1 fc0 sc0 ls9 ws0">OOK<span class="ls0"> </span></div></div><div class="c x13 y1b wc hf"><div class="t m0 x14 hd y1c ff6 fs1 fc0 sc0 ls0 ws0">直通单收<span class="ff4"> </span></div></div><div class="c x15 y1b wd hf"><div class="t m0 x1b h10 y1c ff4 fs1 fc0 sc0 ls0 ws0">- </div></div><div class="c x17 y1b we hf"><div class="t m0 x1a h10 y1d ff4 fs1 fc0 sc0 ls0 ws0">SOP8 </div></div><div class="t m0 x3 h5 y1e ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h11 y1f ff4 fs6 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y20 ff6 fs6 fc0 sc0 ls0 ws0">本文将以<span class="_ _4"> </span><span class="ff4">CMT221xLx <span class="_ _5"> </span>EM<span class="_"> </span></span>原理图和<span class="_ _4"> </span><span class="ff4 ls6">PCB<span class="_"> </span></span>设计为参考，<span class="_ _6"></span>从以下几个方面<span class="_ _0"></span>来阐述使用<span class="_ _4"> </span><span class="ff4">CMOSTEK<span class="_ _0"></span> </span></div><div class="t m0 x3 h11 y21 ff4 fs6 fc0 sc0 ls0 ws0">NextGenRF</div><div class="t m0 x1c hb y22 ff4 fs7 fc0 sc0 ls5 ws0">TM</div><div class="t m0 x1d ha y21 ff6 fs6 fc0 sc0 ls0 ws0">系列单接收芯片的注意事<span class="_ _0"></span>项：<span class="ff4"> </span></div><div class="t m0 x1e ha y23 ff7 fs6 fc0 sc0 ls0 ws0"><span class="ff4"> <span class="_ _7"> </span><span class="ff6">射频输入设计</span> </span></div><div class="t m0 x1e ha y24 ff7 fs6 fc0 sc0 ls0 ws0"><span class="ff4"> <span class="_ _7"> </span><span class="ff6">晶体电路设计</span> </span></div><div class="t m0 x1e ha y25 ff7 fs6 fc0 sc0 ls0 ws0"><span class="ff4"> <span class="_ _7"> </span><span class="ff6">数字信号设计</span> </span></div><div class="t m0 x1e ha y26 ff7 fs6 fc0 sc0 ls0 ws0"><span class="ff4"> <span class="_ _7"> </span><span class="ff6">电源及地设计</span> </span></div><div class="t m0 x1e ha y27 ff7 fs6 fc0 sc0 ls0 ws0"><span class="ff4"> <span class="_ _7"> </span><span class="ff6">灵敏度优化考虑</span> </span></div><div class="t m0 x1e ha y28 ff7 fs6 fc0 sc0 ls0 ws0"><span class="ff4"> <span class="_ _7"> </span><span class="ff6">测试电路设计</span> </span></div><div class="t m0 x1e ha y29 ff7 fs6 fc0 sc0 ls0 ws0"><span class="ff4"> <span class="_ _7"> </span><span class="ff6">设计检查项</span> </span></div><div class="t m0 x3 h5 y2a ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h5 y2b ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h5 y2c ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h8 y2d ff4 fs4 fc0 sc0 ls0 ws0"> <span class="_ _8"> </span> </div><div class="c x1f y2e wf h12"><div class="t m0 x20 h13 y2f ff2 fs8 fc0 sc0 lsa ws0">AN1<span class="ls0">58 </span></div></div><div class="c x3 y30 w10 h14"><div class="t m0 x21 h15 y31 ff1 fs9 fc0 sc0 ls0 ws0">CMT2210LH<span class="ff6">单接收芯片原理图及</span>PCB<span class="ff6">版图设计指南</span><span class="fsa"> </span></div></div><div class="c x1b y32 w11 h16"><div class="t m0 x22 h5 y33 ff4 fs2 fc0 sc0 ls0 ws0">Copyrigh<span class="_ _0"></span>t © By CMOSTE<span class="_ _0"></span>K <span class="_ _5"> </span> </div></div></div><div class="pi" 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sc0 lsb ws0">1.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">概要<span class="ff4"> <span class="ls8">.........................................................................................................................................</span> <span class="_ _a"></span>1<span class="fs4"> </span></span></span></span></div><div class="t m0 x3 ha y36 ff4 fs6 fc0 sc0 lsb ws0">2.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">射频输入匹配<span class="ff4"> <span class="_ _b"></span><span class="ls8">...........................................................................................................................<span class="ls0"> <span class="_ _a"></span>3<span class="fs4"> </span></span></span></span></span></span></div><div class="t m0 x3 ha y37 ff4 fs6 fc0 sc0 lsb ws0">3.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">晶体电路设计<span class="ff4"> <span class="_ _b"></span><span class="ls8">...........................................................................................................................<span class="ls0"> <span class="_ _a"></span>5<span class="fs4"> </span></span></span></span></span></span></div><div class="t m0 x3 ha y38 ff4 fs6 fc0 sc0 lsb ws0">4.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">数字信号设计<span class="ff4"> <span class="_ _b"></span><span class="ls8">...........................................................................................................................<span class="ls0"> <span class="_ _a"></span>6<span class="fs4"> </span></span></span></span></span></span></div><div class="t m0 x3 ha y39 ff4 fs6 fc0 sc0 lsb ws0">5.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">电源及地设计<span class="ff4"> <span class="_ _b"></span><span class="ls8">...........................................................................................................................<span class="ls0"> <span class="_ _a"></span>7<span class="fs4"> </span></span></span></span></span></span></div><div class="t m0 x1e ha y3a ff4 fs6 fc0 sc0 ls0 ws0">5.1<span class="fs4"> <span class="_ _c"> </span></span><span class="ff6">电源滤波电路设计<span class="_ _0"></span><span class="ff4"> <span class="_ _b"></span><span class="ls8">..........................................................................................................<span class="ls0"> <span class="_ _a"></span>7<span class="fs4"> </span></span></span></span></span></div><div class="t m0 x1e ha y3b ff4 fs6 fc0 sc0 ls0 ws0">5.2<span class="fs4"> <span class="_ _c"> </span></span><span class="ff6">铺地设计</span> <span class="_ _b"></span><span class="ls8">................................<span class="_ _6"></span>........................................................................................<span class="ls0"> <span class="_ _a"></span>7<span class="fs4"> </span></span></span></div><div class="t m0 x3 ha y3c ff4 fs6 fc0 sc0 lsb ws0">6.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">灵敏度优化考虑<span class="ff4"> <span class="_ _d"></span><span class="ls8">........................................................................................................................<span class="ls0"> <span class="_ _a"></span>8<span class="fs4"> </span></span></span></span></span></span></div><div class="t m0 x3 ha y3d ff4 fs6 fc0 sc0 lsb ws0">7.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">测试电路设计<span class="ff4"> <span class="_ _b"></span><span class="ls8">...........................................................................................................................<span class="ls0"> <span class="_ _a"></span>9<span class="fs4"> </span></span></span></span></span></span></div><div class="t m0 x3 ha y3e ff4 fs6 fc0 sc0 lsb ws0">8.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">设计检查项<span class="ff4"> <span class="_ _d"></span><span class="ls8">................................<span class="_ _6"></span>.............................................................................................<span class="ls0"> <span class="_ _e"></span><span class="lsb">10<span class="fs4 ls0"> </span></span></span></span></span></span></span></div><div class="t m0 x3 ha y3f ff4 fs6 fc0 sc0 lsb ws0">9.<span class="fs4 ls0"> <span class="_ _9"> </span><span class="ff6 fs6">文档变更记录<span class="ff4"> <span class="_ _b"></span><span class="ls8">.........................................................................................................................<span class="ls0"> <span class="_ _e"></span><span class="lsb">12<span class="fs4 ls0"> </span></span></span></span></span></span></span></div><div class="t m0 x3 ha y40 ff4 fs6 fc0 sc0 lsb ws0">10.<span class="fs4 ls0"> <span class="_"> </span><span class="ff6 fs6">联系方式<span class="ff4"> <span class="ls8">................................................................................................................................</span> <span class="_ _a"></span><span class="lsb">13<span class="fs4 ls0"> </span></span></span></span></span></div><div class="t m0 x3 h8 y41 ff4 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h8 y42 ff4 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h17 y43 ff4 fs4 fc0 sc0 ls0 ws0"> <span class="_ _8"> </span><span class="ff5 fs0"> </span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div 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ls4">射频输入匹配</span> </span></div><div class="t m0 x1e ha y45 ff6 fs6 fc0 sc0 ls0 ws0">匹配网络通过将天线的<span class="_ _0"></span>阻抗匹配值<span class="_ _0"></span>芯片<span class="ls7">射频</span>输入<span class="ls7">阻抗</span>，达到提高接收灵敏<span class="_ _0"></span>度的设计目标。<span class="_ _0"></span><span class="ff4"> </span></div><div class="t m0 x9 h11 y46 ff4 fs6 fc0 sc0 ls0 ws0">CMOSTEK <span class="_ _b"></span>NextGenRF</div><div class="t m0 x23 hb y47 ff4 fs7 fc0 sc0 lsc ws0">TM</div><div class="t m0 x24 ha y46 ff4 fs6 fc0 sc0 ls0 ws0"> <span class="_ _0"></span><span class="lsb">2210Lx<span class="_ _2"> </span><span class="ff6 ls0">系列单接收产品采用的是单端<span class="_ _2"> </span><span class="ff4">LNA<span class="_ _2"> </span></span>输入，<span class="_ _f"></span>仅需要一个电容<span class="_ _2"> </span><span class="ff4">C0</span></span></span></div><div class="t m0 x3 ha y48 ff6 fs6 fc0 sc0 ls0 ws0">和一个电感<span class="_ _2"> </span><span class="ff4">L2<span class="_"> </span></span>就能<span class="_ _0"></span>将实现匹配功<span class="_ _0"></span>能。<span class="_ _e"></span>多数时候，<span class="_ _10"></span>在天线输入端加上由<span class="_ _2"> </span><span class="ff4 lsb">L2<span class="_ _2"> </span></span>和<span class="_ _4"> </span><span class="ff4 lsd">C1<span class="_"> </span></span>构成的<span class="_ _0"></span>带通滤波器<span class="_ _0"></span>网</div><div class="t m0 x3 ha y49 ff6 fs6 fc0 sc0 ls0 ws0">络能有效滤除复杂电磁<span class="_ _0"></span>环境给接收<span class="_ _0"></span>机带来的干扰<span class="_ _0"></span>。完整的匹<span class="_ _0"></span>配网络如下图所<span class="_ _0"></span>示。<span class="ff4"> </span></div><div class="t m0 x9 ha y4a ff6 fs6 fc0 sc0 ls0 ws0">根据不同的封装形式和<span class="_ _0"></span>不同的应用<span class="_ _0"></span>频段，用户需<span class="_ _0"></span>要选用不同<span class="_ _0"></span>元件值进行匹<span class="_ _0"></span>配。<span class="ff4"> </span></div><div class="t m0 x3 h11 y4b ff4 fs6 fc0 sc0 ls0 ws0"> </div><div class="t m0 x25 h11 y4c ff4 fs6 fc0 sc0 ls0 ws0"> </div><div class="t m0 x26 ha y4d ff6 fs6 fc0 sc1 ls0 ws0">图<span class="_ _4"> </span><span class="ff5 sc0">1<span class="ls8">. </span>CMT<span class="_ _0"></span>22<span class="lsb">1x<span class="lse">Lx<span class="_ _2"> </span></span></span><span class="ff6 sc1">射频输入匹配网络</span> </span></div><div class="t m0 x3 h18 y4e ff5 fs6 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 ha y4f ff6 fs6 fc0 sc1 ls0 ws0">说明如下：<span class="ff5 sc0"> </span></div><div class="t m0 x27 ha y50 ff4 fs6 fc0 sc0 lsb ws0">1.<span class="ls0"> <span class="_ _11"> </span><span class="ff6">上图暂不涉及射频匹配<span class="_ _0"></span>网络以外的<span class="_ _0"></span>其他电路。<span class="_ _0"></span><span class="ff4"> </span></span></span></div><div class="t m0 x27 ha y51 ff4 fs6 fc0 sc0 lsb ws0">2.<span class="ls0"> <span class="_ _11"> </span><span class="ff6">不同封装、不同频点的<span class="_ _0"></span>匹配网络<span class="ls7">元件</span>值如下表所<span class="_ _0"></span>示。其中：<span class="_ _0"></span><span class="ff4"> </span></span></span></div><div class="t m0 x28 ha y52 ff4 fs6 fc0 sc0 lsb ws0">a)<span class="ls0"> <span class="_ _12"> </span></span>L2<span class="ff6 ls0">、</span>L2<span class="_ _2"> </span><span class="ff6 ls0">规格为：<span class="ff4">±<span class="_ _13"></span>5%<span class="ff6">，</span>0<span class="_ _0"></span>603 <span class="_ _5"> </span><span class="ff6">叠层片状电感；</span> </span></span></div><div class="t m0 x28 ha y53 ff3 fs4 fc0 sc0 lsf ws0">b)<span class="ff4 ls0"> <span class="_ _9"> </span><span class="fs6">C0<span class="ff6">、</span><span class="lsd">C1<span class="_"> </span></span><span class="ff6">规格为：<span class="_ _0"></span><span class="ff4">±<span class="_ _d"></span>0.25 pF<span class="ff6">，</span>0603 <span class="lsd">NP0</span><span class="ff6">，</span>50 V<span class="ff6">。<span class="_ _0"></span><span class="ff3 fs4"> </span></span></span></span></span></span></div><div class="t m0 x5 h18 y54 ff5 fs6 fc0 sc0 ls0 ws0"> </div><div class="t m0 xc ha y55 ff6 fs6 fc0 sc1 ls0 ws0">表<span class="_ _4"> </span><span class="ff4 sc0">2<span class="ff5 ls8">. <span class="_ _5"> </span></span></span>单接收匹配网络元件值<span class="ff5 sc0"> </span></div><div class="c x29 y56 w12 h19"><div class="t m0 x2a ha y57 ff6 fs6 fc2 sc2 ls0 ws0">产品型号<span class="ff5 sc0"> </span></div></div><div class="c x2b y56 w13 h19"><div class="t m0 x2c ha y57 ff6 fs6 fc2 sc2 ls0 ws0">封装<span class="ff5 sc0"> </span></div></div><div class="c x2d y56 w14 h19"><div class="t m0 x2e ha y57 ff6 fs6 fc2 sc2 ls0 ws0">频段<span class="_ _14"></span>（<span class="ff5 sc0">MHz</span>）<span class="_ _15"></span><span class="ff5 sc0"> </span></div></div><div class="c x2f y58 w15 h1a"><div class="t m0 x30 ha y59 ff6 fs6 fc2 sc2 ls0 ws0">推荐匹配<span class="ff5 sc0"> </span></div></div><div class="c x2f y56 w16 h1b"><div class="t m0 x19 ha y59 ff5 fs6 fc2 sc0 ls0 ws0">L1<span class="ff6 sc2">（</span><span class="lse">nH</span><span class="ff6 sc2">）</span> </div></div><div class="c x31 y56 w17 h1b"><div class="t m0 x32 ha y59 ff5 fs6 fc2 sc0 lsd ws0">C1<span class="ff6 sc2 ls0">（</span><span class="lse">pF<span class="ff6 sc2 ls0">）</span><span class="ls0"> </span></span></div></div><div class="c x33 y56 w18 h1b"><div class="t m0 x34 ha y59 ff5 fs6 fc2 sc0 lsd ws0">C0<span class="ff6 sc2 ls0">（</span><span class="lse">pF<span class="ff6 sc2 ls0">）</span><span class="ls0"> </span></span></div></div><div class="c x35 y56 w19 h1b"><div class="t m0 x36 ha y59 ff5 fs6 fc2 sc0 lse ws0">L2<span class="ff6 sc2 ls0">（</span>nH<span class="ff6 sc2 ls0">）</span><span class="ls0"> </span></div></div><div class="c x29 y5a w12 h1c"><div class="t m0 x22 h11 y57 ff4 fs6 fc0 sc0 ls0 ws0">CMT2210LH </div></div><div class="c x2b y5a w13 h1c"><div class="t m0 x2a h11 y57 ff4 fs6 fc0 sc0 ls0 ws0">SOP8 </div></div><div class="c x2d y5b w14 h1b"><div class="t m0 x1a h11 y59 ff4 fs6 fc0 sc0 lsb ws0">315<span class="ls0"> </span></div></div><div class="c x2f y5b w16 h1b"><div class="t m0 x1a h11 y59 ff4 fs6 fc0 sc0 lsb ws0">62<span class="ls0"> </span></div></div><div class="c x31 y5b w17 h1b"><div class="t m0 x7 h11 y59 ff4 fs6 fc0 sc0 lsb ws0">12<span class="ls0"> </span></div></div><div class="c x33 y5b w18 h1b"><div class="t m0 x37 h11 y59 ff4 fs6 fc0 sc0 ls0 ws0">3 </div></div><div class="c x35 y5b w19 h1b"><div class="t m0 x16 h11 y59 ff4 fs6 fc0 sc0 lsb ws0">68<span class="ls0"> </span></div></div><div class="c x2d y5a w14 h1b"><div class="t m0 x1a h11 y59 ff4 fs6 fc0 sc0 lsb ws0">433<span class="ls0"> </span></div></div><div class="c x2f y5a w16 h1b"><div class="t m0 x1a h11 y59 ff4 fs6 fc0 sc0 lsb ws0">36<span class="ls0"> </span></div></div><div class="c x31 y5a w17 h1b"><div class="t m0 x7 h11 y59 ff4 fs6 fc0 sc0 lsb ws0">10<span class="ls0"> </span></div></div><div class="c x33 y5a w18 h1b"><div class="t m0 x37 h11 y59 ff4 fs6 fc0 sc0 ls0 ws0">3 </div></div><div class="c x35 y5a w19 h1b"><div class="t m0 x16 h11 y59 ff4 fs6 fc0 sc0 ls0 ws0">36 </div></div><div class="t m0 x3 h8 y5c ff4 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y5d ff6 fs6 fc0 sc0 ls0 ws0">不同频点下射频输入等<span class="_ _0"></span>效阻抗如下<span class="_ _0"></span>表所示。<span class="_ _0"></span><span class="ff4"> </span></div><div class="t m0 x38 ha y5e ff6 fs6 fc0 sc1 ls0 ws0">表<span class="_ _4"> </span><span class="ff5 sc0">3<span class="ls8">. <span class="_ _5"> </span></span></span>输入等效阻抗<span class="ff5 sc0"> </span></div><div class="c x39 y5f w1a h1d"><div class="t m0 x19 ha y60 ff6 fs6 fc2 sc2 ls0 ws0">频率<span class="ff5 sc0"> <span class="_ _2"> </span>(MHz) </span></div></div><div class="c x3a y61 w1b h1b"><div class="t m0 x3b ha y59 ff5 fs6 fc2 sc0 ls0 ws0">RFIN<span class="_ _2"> </span><span class="ff6 sc2">管脚输入等效阻抗</span> </div></div><div class="c x3a y5f w1c h1b"><div class="t m0 x3c h18 y62 ff5 fs6 fc2 sc0 ls0 ws0">Z</div><div class="t m0 x3d h1e y63 ff5 fs7 fc2 sc0 ls0 ws0">RFIN</div><div class="t m0 x3e h18 y62 ff5 fs6 fc2 sc0 ls0 ws0"> </div></div><div class="c x3f y5f w1d h1b"><div class="t m0 x40 h18 y62 ff5 fs6 fc2 sc0 ls0 ws0">R</div><div class="t m0 x41 h1e y63 ff5 fs7 fc2 sc0 ls0 ws0">RFIN</div><div class="t m0 x42 h18 y62 ff5 fs6 fc2 sc0 ls0 ws0"> <span class="ls8">// C</span></div><div class="t m0 x43 h1e y63 ff5 fs7 fc2 sc0 ls0 ws0">RFIN</div><div class="t m0 x44 h18 y62 ff5 fs6 fc2 sc0 ls0 ws0"> </div></div><div class="c x39 y64 w1a h1f"><div class="t m0 x1a h11 y65 ff4 fs6 fc0 sc0 lsb ws0">315<span class="ls0"> </span></div></div><div class="c x3a y64 w1c h1f"><div class="t m0 x45 h11 y65 ff4 fs6 fc0 sc0 lsb ws0">120 <span class="ff8 ls0">–<span class="ff4"> j*98 </span></span></div></div><div class="c x3f y64 w1d h1f"><div class="t m0 x37 h11 y65 ff4 fs6 fc0 sc0 lsb ws0">200<span class="ls0"> <span class="ff8">Ω</span> <span class="ls10">//</span> 2.0 </span>pF<span class="ls0"> </span></div></div><div class="c x39 y66 w1a h20"><div class="t m0 xe h11 y67 ff4 fs6 fc0 sc0 ls0 ws0">433.92 </div></div><div class="c x3a y66 w1c h20"><div class="t m0 x45 h11 y67 ff4 fs6 fc0 sc0 lsb ws0">79 <span class="ff8 ls0">–<span class="ff4"> j*106 </span></span></div></div><div class="c x3f y66 w1d h20"><div class="t m0 x37 h11 y67 ff4 fs6 fc0 sc0 lsb ws0">220<span class="ls0"> <span class="ff8">Ω</span> <span class="ls10">//</span> 2.2 </span>pF<span class="ls0"> </span></div></div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div>