Tagged Questions

2
votes
1answer
54 views

How to escape redundant stated when using J-K Flip Flops?

I've designed a counter using three J-K flip flops, but I have two redundant states. How can I ensure that the system has a way to escape these states if they occur? I've tried searching for help on ...
-6
votes
0answers
52 views

3 bit counter using d flip flops [closed]

i need to design a 3 bit counter that will increment and decrement a stored value by a 3 bit value depending on the positive edges of a signal C. Must use 3 D flip-flops. any help would be appreciated ...
1
vote
2answers
105 views

What makes these simple circuit diagrams different?

I'm kind of confused with the behavior changes of these 3 differences of a flip flop. I made an image to easily show what I'm asking about. I circled the differences in red.. Heres the image: For ...
2
votes
1answer
90 views

Why does my D Flip Flop Circuit have an X output?

I'm working on one of my projects and I'm having trouble with my flip flops. The project is to design the circuit for a gas pump that has a handle and a sensor. When the handle is down, the pump ...
1
vote
4answers
118 views

9-Bit State Machine

I am working on a state machine that will drive a state bus for a personal project. The state machine will have an output pattern like the following: ...
4
votes
2answers
687 views

What is wrong with my D flip-flop toggle switch?

Until a few weeks ago, I had never drawn a circuit diagram in my life, so bear with me. I am currently trying to design (in Logisim) a circuit that acts like a toggle switch, using only basic logic ...
3
votes
2answers
905 views

3bit Gray counter using D Flip Flops and logic gates

I am studying a lesson about Logic Design and circuits. I have a question I can not find the answer. How can I design a 3-bit Gray counter using D flip flops? I know what the Gray code is, I know ...
1
vote
2answers
602 views

How to control a Water Valve through a circuit using latches or flipflops?

I need a circuit that can "simulate" opening/closing a valve for a water tank. The circuit has only 2 inputs, 'm' (minimum) and 'M' (Maximum), and an output 'V' (valve). The valve is only open if V= ...