三变量非一致电路图
![分析如图(a),(b),(c)所示三个电路,当输入变量取何值时三个电路等效?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E910419EBB1A73CC71F77CFF58C0B3CDE56315983B690FD3F4FA8C7ACAE71CD9C324F0A7357E39C075C106E8FE1315C7B9366F6DAFBAB30E9153C861FFA7D471BC39CF985C9719856859827B95612BD301)
分析如图(a),(b),(c)所示三个电路,当输入变量取何值时三个电路等效?
图片尺寸544x321![(真值表3分) 其逻辑功能是:当a,b,c三个变量不一致时,电路输出为"1"](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A738998939C95043A688253628FD68ABD5FF9705E51BC30335D582003B13E97806094BD36767D82BA8EBB881C60C224D0750A5BCDF666BCA9AAC0883AF5AAF1A61EFD347C0D81DA4DB5BF0C56F4640AE201)
(真值表3分) 其逻辑功能是:当a,b,c三个变量不一致时,电路输出为"1"
图片尺寸331x213![三变量非一致电路图三变量不一致电路图三变量不一致电路三变量判奇](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831D0780F788A06045A202B645051A9C8221848C6DBB45F1727708516B4968E20A6239B51C6C47FE0023AE0108E00FE0E4227517FD95EC5E57BA36ADFAC91C9BFD135389AFF80ACDA3ECC8617299D8336A)
三变量非一致电路图三变量不一致电路图三变量不一致电路三变量判奇
图片尺寸500x424![用与非门设计一个三变量的偶检测器,当输入变量中有偶数个"1"时,输出](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8307A6A7DAFD650F183D6B277429545D1BA2DFD552F63CBB09010F746376DAAE90D89EA27DD77C64F6A2552DB5BFDAA6BBF84ABC01BCA81EC08A13629D83BD56CCBD6E806821E2572A3345DD8BC15D533D)
用与非门设计一个三变量的偶检测器,当输入变量中有偶数个"1"时,输出
图片尺寸606x346![用74ls00,74ls153,74ls151,74ls138设计三变量表决器](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E948A02CEADC0083A88DE1F3525A7F0C423B4D563035DC9B56281998840E9808BBC80FA798089199ADB88AB39828FBC479405C04FD87C33C15BC529D74D5DC1722C4A90BD98832AB84BFD1F286A6812E56)
用74ls00,74ls153,74ls151,74ls138设计三变量表决器
图片尺寸651x386![图示为变量泵控制变量马达调速回路,下面描述正确的是哪些?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E830F6E39DA13BEA2B7EC95E1A9F5CF6AD60BE3C88BFA7CF17F2C69E0BD696DCAC1CD6585053B361167AAA9A08EAC1C665AB291CB06739630E084D24C91601E806EC54824D5B66DF6D96861B6A03CD18EF9)
图示为变量泵控制变量马达调速回路,下面描述正确的是哪些?
图片尺寸276x272![展开全部 3变量的逻辑一致判别电路,a,b,c全取0时,和全取1时,输出为1](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83334AA13C401FF85F04147F2FD7965904FA458CDA2C653EB146FF3AB7E0BC47D418EEB2280D4DF9B148476E13394A944EA461714C8175BE1737245DCB954676D74954640C2EC60EC080DC20B0EE9B48EE)
展开全部 3变量的逻辑一致判别电路,a,b,c全取0时,和全取1时,输出为1
图片尺寸881x517![解:(1) 1)定变量列真值表](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E95AA40824237CEDE90FD92D5632C50312C1E704402FA3954B2538CA01F077261D06FF0BC38EA8859E86DF2EA282FD387F9E8AC364AF5D661DD092B0473427E7A2908BEFD4324F75B2A99C1FA390732CE8)
解:(1) 1)定变量列真值表
图片尺寸468x266![设计一个三变量的偶校验电路,即三个变量中,偶数个1输出为1,用与非门](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83F5F9976203D29162BA0E8EDB291159D306EF90634DA1B2E3C7E6E407A345832B023D83968732B697B25486CF0CAF7B66DE6E73D8B8BCECE072BE0BB48F809AB47DFACAC782486540018951DC0DDC5043)
设计一个三变量的偶校验电路,即三个变量中,偶数个1输出为1,用与非门
图片尺寸631x263![2,利用74ls138设计一个全加器电路.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E94CB89BF782E1234E95BD390582FDBBE2CEB14FC5E94239F15C41C61BCFC4EFE8CB86348E6BA9924DB44F3579ECFBF185DB96A8D706DB80242BC17A988D7A60A948797C469F6A0A72A7BC9EB50EC38809)
2,利用74ls138设计一个全加器电路.
图片尺寸708x346![分析步骤:组合逻辑电路分析其中,a1~an为输入变量,li为输出变量](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73F8E0EEEC075DCCDDF72F747C00A67C238889287D54BEB6F3C9CC6E2495280D062EC5F69A165A42067D1F9072E0B3B6A9A85C88B90EB0EE7903798B28A6E8AAA133A683E0BCC11BBD2BA674764C767707)
分析步骤:组合逻辑电路分析其中,a1~an为输入变量,li为输出变量
图片尺寸1280x886![用74ls00,74ls153,74ls151,74ls138设计三变量表决器](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E935DE20C1D578636E5810AF02B83802A6F6EC2129F04EB7422D9B28A39724C6735333D2BC5D6CD11B14B7E7C7821630B86D50BE0482D19000F0AA9FBA4DBB05E3516DCD93640F76B785E42E9E2A5C9F50)
用74ls00,74ls153,74ls151,74ls138设计三变量表决器
图片尺寸768x515![例1:3变量多数表决电路分析 a b c p1 p2 f p3](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E95790486D4B700F666AA2F4E3B15194D163E73C7355AD195AC3425299D348DAB9C751BBF0C1733ED7AD1998D45731EC5B8ECD2B520A726E2D2DDB1ADE1CEEC9885E6E1F47728221FA0335EC42D7FB6857)
例1:3变量多数表决电路分析 a b c p1 p2 f p3
图片尺寸1080x810![一种非隔离三相光伏并网逆变器及控制方法技术](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73E7077258D0BF367E009AB8291481837607BFB13C88376B5B03EDE93C975AEAC99D805116A54B13C96236FBF9299844CCEE7FA994E7591E73D72EB4BBDDF396ACAA6CC806B2167C96F5815DAE28CFC898)
一种非隔离三相光伏并网逆变器及控制方法技术
图片尺寸1000x491![74ls86三变量判奇电路原理](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83C0202538D698372F88333D6F7F696961FE5B35FAFE590D6DDA90319D4FC7137BD883397887730C79E692D6A20D944627608A38B9334554A4CAA4C280FABFEF971AB3CA67D3000EF7661F9BC976CE6F80)
74ls86三变量判奇电路原理
图片尺寸305x261![(2)三变量偶数个1判别电路;(3)三变量一致电路](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73FE524A17BF02DCE310CE6783756661206279C7DA780E9CD593D56D5CCDD2530FB447A53F1946753C4338BFB46F1F3A3FA8EAB726851C9EDF08FF6E6AACFBD9125B03886CE44F3410B1AB1058110C4FCE)
(2)三变量偶数个1判别电路;(3)三变量一致电路
图片尺寸579x182![plc四层电梯课程设计](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E835EA27463D80B86A1817635704831CD17FF7946D6DEB56B1EF3141D569E79891CB475EE3AA7284809AC41C316DF0F976145BEC2CE90919D8CD7467C2B997E04E40858F8292829CD173CFE3AD689A4810B)
plc四层电梯课程设计
图片尺寸527x385![怎么用74ls54组成一个f(a,b,c)=(0,1,2,4)的逻辑电路](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73EA3548DE43287E1E22DC8C395CBC7945F07AF6BB13CB1D357D7D163560A42A49DBF4A171BADB348B6C6B21EC91428B3E9276C1122BDB4C363230EF17A6F180D7A841F735D1C4EE346F1383030D0EAF32)
怎么用74ls54组成一个f(a,b,c)=(0,1,2,4)的逻辑电路
图片尺寸450x271![1 4输入三输出的逻辑方框图逻辑电路中的变量为二进制变量–其值为0或](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9685303B5A0CAD02034C444D7F338A5B12717AF409708D41C28A17317347F857D1A4B7B927A307E6F471B3231F677DD50195C8CB576D5602B9C06D232BFA53C357B970A0D8A0F5AE2EF2B3360E1266DB6)
1 4输入三输出的逻辑方框图逻辑电路中的变量为二进制变量–其值为0或
图片尺寸2042x1096![问答题试设计一个三变量校奇电路当三个变量有奇数个1时输出为1其它](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A732D681C484281D09280FEBC9CED845BDEA1EA573C4BEEEB54BB26EDE9860F6219D214F3D0763278ED54276BEE2CEADBB0940F6386AD0DEEBB46E30732B83D9F101D3CD4243FCEE3784ECFE9E0C7208ED2)
问答题试设计一个三变量校奇电路当三个变量有奇数个1时输出为1其它
图片尺寸663x209