Star Tech Journal

16
STAR*TECH JOURNAL/DECEMBER 1982
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WE
_ _ _ I_N_QizITIVE
REPAIR
EVERYTHING
This month's InQuizltive was sent to us by Ed Zylka/Stem Electronics.
32. Complete the Truth Table for the "Set-Reset" flip-flop made up of 2 NAND gates
(½-74LSOO).
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Truth Table
R
Function
Invalid*
Set
Reset
Latch
r>--------1
s
0
0
1
1
R
0
1
0
1
Q
Q
*
*
*When in this state, the circuit is not in a valid
flip-flop operating condition, so this is
disregarded.
lnQuizltive Answers (November)
28) Source of EMF, set of conductors, load, means of control.
29) No, the output voltage is only filtered, not regulated.
30) To turn off the video intensity amps when deflection is not occurring.
31) + 12v
MURPHY'S IA W #410
Experience varies directly with requipment ruined.