八路抢答器原理图及仿真图

来源：尚车旅游网

R1125.1KR1125.1KR25.1KR2A0A1A2976343ABCD4U4:A74LS04U4:A74LS045.1KR35.1KR3U4:B74LS045.1K7126ABCDGS5EO156345LTBLESTB14A0A1A2976QAQBQCQDQEQFQG7126U4:B74LS04101112131234GS14R45.1KR456345LTBLESTB5.1K01234567QAQBQCQDQEQFQG131211109151401234567E51011121312341312111091514R55.1KR555.1KU14511EEO15U1+5v4511U4:C74LS04+5vU4:CU574LS04U5R65.1KR6374LS14874LS1485.1K13101213123R75.1K10R7U4:D74LS04U8:A74LS86U8:A74LS865.1KU4:DU4:E74LS0474LS04U4:E74LS04R85.1KR811215.1K112211U6:A74LS08U6:A74LS0828185+5v4+5v2U4:F74LS04U4:F74LS04U8:B74LS86U8:B74LS8625109R1051093R10U9:A74LS043U9:A74LS041SW11SW-SPDTSW16附录：八路抢答器原理图及仿真图

SW-SPDT425S2DQ3CLKQ65DQS10kR910kR93CLKD2LED-REDD2QR4174LS746R4LED-REDU7:AU7:A174LS74U9:B74LS04U9:B74LS043510+5v3R11510+5vR11Q1D1C1NPNLED-RED0.1uFQ1NPND1LED-REDC11k20.1uF1kC2210uFC2RTRCVR1410uFRTR1GNDDCTHQR14CVVCC8GNDVCC18U14U14DCTHQ5556710k310kRV1RV15551%768k341%R1568k10kR15

R1210k141CKACKBQ0Q1Q2Q31213LTBLESTBD0D1D2D3Q0Q1Q2Q3ABCD129811151109326771261312111091514+5vR12141CKACKBQ0Q1Q2Q3129811151109D0D1D2D3Q0Q1Q2Q3TCUTCD32671213UPDNPLMR7126ABCD+5v2367R0(1)R0(2)R9(1)R9(2)1114UPDNPLMRTCUTCD345QAQBQCQDQEQFQG2367R0(1)R0(2)R9(1)R9(2)1114345LTBLESTBQAQBQCQDQEQFQG1312111091514U24511U12U2451174LS90U12U1074LS192U1074LS9074LS19210kR1310k141CKACKBQ0Q1Q2Q31114UPDNPLMRTCUTCDLTBLESTB1213345D0D1D2D3Q0Q1Q2Q3ABCD129811QAQBQCQDQEQFQG151109326771262367R0(1)R0(2)R9(1)R9(2)1312111091514R13U34511141CKACKBQ0Q1Q2Q32367R0(1)R0(2)R9(1)R9(2)1298111511091114D0D1D2D3UPDNPLMRQ0Q1Q2Q3TCUTCD326712137126345ABCDLTBLESTBQAQBQCQDQEQFQG1312111091514U34511U1374LS90U13+5v+5vU11+5v+5v74LS9074LS192U1174LS192

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