《电工与电子技术基础》 复习资料绘图化简题.docx
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《电工与电子技术基础》 复习资料绘图化简题.docx
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《电工与电子技术基础》复习资料绘图化简题
《电工与电子技术基础》复习资料绘图化简题(Fundamentalsofelectricalandelectronictechnologyreviewdatadrawingsimplifiedproblem)
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"Reviewofthefundamentalsofelectricalandelectronictechnology""
Theninthchapteristhesequentiallogiccircuit
1.assumethattheinitialstateoftheflipflopsshownineachdiagramis0,andtrytodrawthewaveformattheQendundertheactionoftheCPpulse.
Answer:
2.assumethattheinitialstateoftheflipflopsshownineachdiagramis0,andtrytodrawthewaveformattheQendundertheactionoftheCPpulse.
Answer:
3.assumethattheinitialstateofeachTTLflip-flopis0asshowninthefollowingdiagram,andtrytodrawthewaveformattheQendundertheactionoftheCPpulse.
Answer:
4.assumethattheinitialstateofeachTTLflip-flopis0asshowninthefollowingdiagram,andtrytodrawthewaveformattheQendundertheactionoftheCPpulse.
Answer:
5.assumethattheinitialstateofeachTTLflip-flopis0asshowninthefollowingdiagram,andtrytodrawthewaveformattheQendundertheactionoftheCPpulse.
Answer:
6.assumethattheinitialstateofeachTTLflip-flopis0asshowninthefollowingdiagram,andtrytodrawthewaveformattheQendundertheactionoftheCPpulse.
Answer:
7.,knownTTLmaster-slaveJKflip-flop,inputJ,K,timelypulse,CPwaveform,showninfigure.PleasedrawthecorrespondingwaveformoftheoutputQ.Settheinitialtrigger0.
Answer:
8.,knownTTLmaster-slaveKJflip-flop,inputJ,K,timelypulse,CPwaveform,showninfigure.PleasedrawthecorrespondingwaveformoftheoutputQ.Settheinitialtrigger0.
Answer:
9.,aknown(TTL)JKtriggerinput,J,K,timelypulse,CPwaveformshowninthefigure.PleasedrawthecorrespondingwaveformoftheoutputQ.Settheinitialtrigger0.
Answer:
10.,aknown(TTL)JKtriggerinput,J,K,timelypulse,CPwaveformshowninthefigure.PleasedrawthecorrespondingwaveformoftheoutputQ.Settheinitialtrigger0.
Answer:
11.drawthewaveformoftheQflipflopsattheDflipflopsasshowninfigure(a).Theknowninputwaveformisshowninfigure(B).Theinitial0Qend.
Answer:
12.drawthewaveformoftheQflipflopsattheDflipflopsasshowninfigure(a).Theknowninputwaveformisshowninfigure(B).Theinitial0Qend.
Answer:
Theoutputwaveformof13.countercircuitandatalllevelsofthedeltaknownasshownbelow,pleasenote:
1,thecounterisstillalongtheleadingedgetriggertrigger?
2,synchronousorasynchronouscountingcircuit.3,isafewcountcircuit?
Answer:
1,thecounteristhefrontedgetrigger;2,itisanasynchronouscounter;3,itisafourbinaryortwobitbinarycounter.Asshowninfigure14.thecircuitiscomposedofcounterDflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronousadditioncounter,itswaveformisasfollows.
Asshowninfigure16.thecircuitiscomposedofcounterDflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.
(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronoussubtractioncounter,itswaveformisasfollows.
Asshowninfigure17.thecircuitiscomposedofcounterDflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronoussubtractioncounter,itswaveformisasfollows.
Asshowninfigure18.thecircuitiscomposedofcounterDflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronousadditioncounter,itswaveformisasfollows.
Asshowninfigure19.thecircuitiscomposedofcounterJKflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronoussubtractioncounter,itswaveformisasfollows.
Asshowninfigure20.thecircuitiscomposedofcounterJKflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronousadditioncounter,itswaveformisasfollows.
Asshowninfigure21.thecircuitiscomposedofcounterJKflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronousadditioncounter,itswaveformisasfollows.
Asshowninfigure22.thecircuitiscomposedofcounterJKflip-flop,explainitsfunction;anddrawthecorrespondingoutputwaveformwithCPpulse.(setinitialstateto000)
Answer:
thiscircuitis:
threebitbinary(oroneoctal)asynchronoussubtractioncounter,itswaveformisasfollows.
The23.circuitbyTTLtriggerisshowninFigure1:
thelogicfunctionofcircuit;thedrawwaveformofQ0andQ1(settheinitialstatefor00).
Answer:
bythecircuitcanknow,J0=Q1,J1=,Q0,candrawtheQ0,Q1waveform,asshown.Thiscircuitisasynchronousthreedecimalunit.
The24.circuitbyTTLtriggerisshowninFigure1:
thelogicfunctionofcircuit;thedrawwaveformofQ0andQ1(settheinitialstatefor00).
Answer:
Ascanbeseenbythecircuit,J0=Q1,J1=,Q0,youcandrawQ0,Q1waveform,asshown.Thiscircuitisasynchronousthreedecimalunit.
Thecircuitandtheinputsignalasshowninfigure25.bythewaveformconsistingofTTLtriggers,drawthewaveformofQ0andQ1.(settheinitialstateofeachflip-flopto0)
Answer:
Thecircuitandtheinputsignalasshowninfigure26.bythewaveformconsistingofTTLtriggers,drawthewaveformofQ0andQ1.(settheinitialstateofeachflip-flopto0)
Answer:
Twenty-seven
ThecircuitandtheinputsignalwaveformasshownbytheTTLflipflops,drawthewaveformofQ0andQ1.(settheinitialstateofeachflip-flopto0)
Answer:
Thecircuitandtheinputsignalasshowninfigure28.bythewaveformconsistingofTTLtriggers,drawthewaveformofQ0andQ1.(settheinitialstateofeachflip-flopto0)
Answer:
Eighthchapters
Combinationallogiccircuit
1.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A,B,B=C=A,B+B,C
A
01010101
B
00110011
C
00001111
Y
00010011
2.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A+B+A.B
A
0101
B
0011
Y
1001
3.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A?
B+A?
B
A
1014combinationallogiccircuits,asshown,trytowritelogicalexpressions.
B
0011
Y
0110
Answer:
Y=A?
B?
C.D.E?
5.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A,B,A,B,C,B,C=A,A,B,C+A,B,C,B,C=A,B,,C,A(A+B,C)C
A
01010101
B
00110011
C
00001111
Y
01010110
6.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A,A,B,B,A=A,A,B+B,A=B=A,B=+B(A+B)
A
0101
B
0011
Y
0110
7.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A,B,B=C=A,B+B,C
A
01010101
B
00110011
C
00001111
Y
00010011
8.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A+,B+,B+,C=(A+B)+(B+C)
A
010
B
001
C
000
Y
001
10101
10011
01111
10111
9.combinationallogiccircuits,asshown,trytowritelogicalexpressions,
Mergeandsimplify.Listthestatetruthtableofthecircuit.
Answer:
Y=A+,B=A+,B+,B+C=A+,B+C,B+C
A
01010101
B
00110011
C
00001111
Y
01111111
10.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A,B+B=C=A=B=B=C=ABC
A
Zero
B
Zero
C
Zero
Y
Zero
1010101
0110011
0001111
0000001
11.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A?
B+B?
C
A
01010101
B
00110011
C
00001111
Y
00010011
12.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=(A+B)?
(B+C)
A
01
B
00
C
00
Y
00
010101
110011
001111
110111
13.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A+,B+,B+C=A+,B+C
A
01010101
B
00110011
C
00001111
Y
01111111
14.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
Answer:
Y=A,B=B=C=A=B?
C
A
0101
B
0011
C
0000
Y
0000
0101
0011
1111
0001
15.combinationallogiccircuits,asshown,trytowritelogicalexpressionsandsimplifythem.Listthestatetruthtableofthecircuit.
An
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