工程电磁场课后答案1.ppt

作业反映出来的几个问题 1. 记对作业题； 2. 按顺序做题； 3. 可以不用抄题，但要写清题号； 4. 答题应尽量体现解题思路和过程； 5. 按要求交作业，不要跨班； 6. 作业本写清班号学号。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第一章 数字逻辑基础 1.1.1 解：01011010 1.1.2（2）0111010 1.3.1（3）254.25 254.25D=11111110.01B=376.2O=FE.4H = 10 0101 0100.0010 0101)8421BCD (254.25)D=(11111110.01)B=(376.2)O=(FE.4)H =(10 0101 0100.0010 0101)8421BCD Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 1.3.2（2） 100010010011B=211+27+24+21+20=2195D 1000 1001 0011BCD=893D 1.3.3（2） 11.01101B=0011.0110 1000B=3.68H 1.3.4（4） 1002.45D=3EA.7333H 1.3.5 (1) 23F.45H=10 0011 1111.0100 0101B 1.3.6 (1) 103.2H=1x162+3x160+2x16-1=259.125D Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二章 逻辑门电路 2.4.1 逻辑0判断 VIL=0.8V (1)(2)(3)(4) 2.4.2 逻辑1判断 VIH=2V (1)(2)(3)(4) Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 2.4.3 解：(1) LSTTL驱动同类门 N=20 (2) LSTTL驱动基本TTL门 N=5 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 2.4.4 （1）IOH74LS00=0.4mA 2IIH7404+4IIH74Ls00=0.16mA IOL74LS00=8mA 2IIL7404+4IIL74Ls00=4.8mA (2)拉电流多余: (0.4-0.16)/0.02=17 (3) 灌电流多余: (8-4.8)/0.4=8 N=min(8,17)=8 2.4.5 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 2.4.6 RP计算 (1)拉电流时 VOH 7401 74LS00 (2)灌电流时 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 2.9.1 驱动: 负载: 拉电流: 灌电流: 扇出: 2.9.2 VOH VIH VOL IIH IOL IIL Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三章 组合逻辑电路分析与设计 3.1.3代数法化简 （a） （c ） （e ） 3.1.2证明（C） Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. （i ） （g ） （k ） Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. （m ） 3.1.4变换与或式 (b) Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 3.1.6 变换2输入与非 3.1.7与非(a) 3.1.8或非(a) 3.2.1展开最小项 (a) Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 3.2.2 (a) (c) 00011110 00 11 01 11 11 1111 10 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. (e) (g) Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 3.2.3 略 3.3.3 一位数值比较器 3.3.5: 输入端奇数个1，L=1，否则为0，即为奇偶校验器 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 3.4.200 01 11 10 00 1 01 1 11 11 10 111 (a)与或非 (b)与非 (c)或非 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 3.4.4CLi 0AI 1AI Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第四章 组合逻辑器件 4.1.1 输输入输输出 I3 I2 I1 I0D7 D6 D5 D4 D3 D2 D1 D0 1 0 0 010 1 1 0 0 1 1 0 1 0 011 0 1 0 1 0 1 0 0 1 00 1 1 1 1 0 1 0 0 0 0 11 1 0 0 1 1 0 1 其它全0或全1 4.1.4 输出端增加一级非门 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 4.2.3 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 4.2.4 32个地址译码电路设计 分析：32个地址译码需要4片 74138，5位译码输入，高2位用 片选实现，低3位用原输入并联 。 E D 74138(1) 0 0 74138(2) 0 1 74138(3) 1 0 74138(4) 1 1 D E 00H-07H 80H-0FH10H-17H18H-1FH A B C Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 4.2.5 (1)逻辑门设计 (2)74138实现D=0 选中低位片1；D=1 选中高位片2 12 0 1 0 0 A B C D 0 1 2 3 45 6 7 8 9 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 4.2.9 7位数字译码显示电路 整数部分 小数部分 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 4.3.4 4选1数据选择器 ES3S2S1S0Y 10001I0 10010I1 10100I2 11000I3 0XXXX高 阻 最后一级与门使用三态与门 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 4.3.5 74151输出波形 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 4.3.6(2) 74151输出波形 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd