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当前位置:首页 > 电子/通信 > 综合/其它 > 线性电子线路(戴蓓蒨)课后答案解析
.题1.1(a)2()1osVRHsIsLCsRC。(b)322()3341RHssLRCsLCsCR。题1.2:11()2(1)2HSss频率响应函数11()2(1)2Hjjj幅频图dBlg620/dBdec40/dBdec12.相频图(b)221221122122121221212222121211()1111()0.040.041mmsCgHssCCsCgsCRRRRRsCRRRRsCCRRsCRsCRsCRRsCR66106162959(1)30101.210410()1.2106101251101(1)1810210ssHsssss频率响应函数10659(1)410()1.210(1)1810210jHjjjlg452200.29013518045/dec.dBlg202060120121.5820/dBdec20/dBdec20/dBdec5810921010410幅频图lg45/dec58109201045/dec50.8105801090.210100.410104010180450()j0相频图.补充题138116()()()141035tttfteeeut补充题231222461212111222610(s)19.63.041010sCCsHsCCRRsCRsCRsCRss3246610()9.63.041010jHjj326242610(j)(9.610)(3.0410)H2649.610()arctan()3.0410题1.4(1)6666(1)5010()364(1)(1)(1)25105510510VsAssss.202040516510650106251065510dBlg20/dBdec20/dBdec20/dBdec20/dBdec幅频图(2)通带增益为51dB;6510/hrads,3dB带宽为6510/rads。题1.5(1)22(1)()0.625(1)(1)420400ssAssss.20lg|()|(dB)Hj1060142040/dBdec20/dBdec20/dBdec40/dBdec4.08lg幅频图(2)下截止频率316/ldBrads。题1.8(a)110.51001151000ssHsss(b)3345(1)10()10(1)(1)(1)4101010sHssss。.题1.10(1)传递函数极点为1121()pRCC,又由于幅频伯德图中,可知1121()RCC。(2)2为零点对应的转折频率,因此21mgC,20lg||mAgR。(3)101212()()()exp{}()()mmCtutgRutgRutCCRCC题1.11(1)310dBfMHz,7h=210rad/s200HAt-7102-61010(1)He(2)31dBfMHz,6h=210rad/s200HAt-610210(1)He-61020(1)He.(3)30.1dBfMHz,5h=210rad/s200HAt-6100.20(1)He题1.12(1)21212122111223622()()16109.6103.04101oiVsRCHsVsRRCCsRCRCRCsss(2)3610()(1)(1)333133sHsss.20lg()/HjdBlg044.4133313320/dBdec20/dBdec20/dBdec幅频响应伯德图33/3133/=lhradsrads、。(3)阶跃响应为333100()0.2016(1)ttytee由此画出阶跃响应如下图所示题2.1.(1)59.870.06VmVV(2)6.84II(3)V=0.1V时,44584.5810IAA;V=0.2V时,221.92.1910ImAA;V=0.3V时,1.03IA。题2.2(1)142.9dR(2)18.6dr(3)51.110sinitA题2.3(1)10SIIA。(2)458.1IA题2.41dImA,121.25,0.25ImAImA。题2.5(1)./ovV30-300-30/ivV10.710.712.45(2)ivVt30-300ovVt12.45-30010.7.题2.62t10-2/ovV题2.7/ovV/ivV051595/dImA/ivV0615125题2.90/ovV-4.3t-19.3.题2.10ov的极性为上负下正。25235.35ovVI0.2520.3535Ao题2.1201/ovV2022t.02/ovV-2022t题2.130.965.4AVVV(平均值)92BVV。4.2CzVVVD1所承受的最大反向电压为182V。D2所承受的最大反向电压为122V题2.150.71.5kRk题2.16负半周时,D1导通,D2截止,电源经过D1给C1充电,最终C1充电得到的电压为22V正半周时,D1截止,D2导通,V2和C1联合经过D2给C2充电,使C2达到峰值电压为222V,达到2倍压的目的。
本文标题:线性电子线路(戴蓓蒨)课后答案解析
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