模拟电子电路 练习卷 7

13.2413123122131312312213||||||||||||||||THTLRRRRVVLRRRRRRRRRRVVLRRRRRR(1)1312312213||||||||IoVVRRRRVVVRRRRRR当时，高低电平跳变VV13.2511221122(1)(1)THRTLRRRVVLRRRRVVLRR211221RIoVVRRVVVRRRR当时，高低电平跳变VV14.12(1)(2)2max2max0.5220.63778.5%CCLLCCSLVPWRVPWRˆ5oVV2ˆ0.1252ˆ20.31839.3%oLLoSCCLLSVPWRVPVWRPPD14.14∵要向16Ω的负载提供100W的平均功率ˆ256.661oLLCCVPRVVV每个电源提供的电流峰值为ˆ56.6ˆ3.53416oLVIAR总电源功率为ˆ2137.375oSCCLVPVWR功率转换效率为72.8%LSPP单管最大功耗为2maxmax223.564CCDNDPLVPPWRD14.16/2LLeRAvRr0.99Av100LR又TQVreI1(1)TQLVIRAv12.375QImA/2/,12.3752(0.7ln)1.296100BBTBETVVVVQSSBBTIIeIIeVVV