The flip-flops in the drawing below are positive edge triggered D flip-flops. Let Q2, Q1, Q0 = 0, 0 ,0 initially. After how many cycles, the outputs of the flip-flops will repeat? D Q Q' ) 1000 Hz/50% Q1 D Q' D Q2 Q'

The flip-flops in the drawing below are positive edge triggered D flip-flops. Let Q2, Q1, Q0 = 0, 0 ,0 initially. After how many cycles, the outputs of the flip-flops will repeat? D Q Q' ) 1000 Hz/50% Q1 D Q' D Q2 Q'

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter22: Sequence Control

Section: Chapter Questions

Problem 6SQ: Draw a symbol for a solid-state logic element AND.

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Concept explainers

Latches and Flip Flop

Just like logic gates, the latches and flip-flops are the important elements of an electronic circuit. The logic gates form the important part of combinatorial circuits, while the latches and flip-flops form the essential part of a sequential circuit. Sequential circuits form the important concept of automata theory in electronics and electrical engineering, these circuits are a kind of logic circuit whose output depends on both present input and past inputs, that is, the input history.

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The flip-flops in the drawing
out below
Q2,
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are positive edge
repe
triggered D flip-flops. Let
Q2, Q1, Q0 = 0, 0 ,0 initially.
After how many cycles, the
outputs of the flip-flops will
repeat?
D
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Q'
) 1000 Hz/50%
Q1
Q'
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Q2
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