Using D flip-flops, design a synchronous counter. The counter counts inthe sequence 1,3,5,7, 1,7,5,3,1,3,5,7,.... when its enable input x is equalto 1; otherwise, the counter count 0.Present stateNext state x=0Next state x=1OutputSO52S11S1545335253S256510$5554S45305558577565655057S105915858S7059S12S117$10$10590$11$14$135$12S12$110513$15SO3S14$14S130$15515SO0Explain how to get the table step by step with drawing the statediagram and finding the Karnaugh map.

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Answered: Using D flip-flops, design a…

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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a) Design a single-digit decade counter that counts from 0 to 9 and repeats. The single-digit decade counter should be built by a cascaded synchronous binary counter (74LS163) and other basic logic gates. Simulate the complete counter circuit by OrCAD and PSPICE. Capture the circuit schematic and the simulated waveform. (Define the simulation timings for at least one full counting cycle from 0 to 9 and back to 0.) (Hint: Use the DigClock input from the SOURCE as shown below and setup the CLK ONTIME and OFFTIME accordingly for the clock source.) 1/6 Pat DigClock Part List OFFTIME = SuS DSTM1 ONTIME = DELAY= STARTVAL = 0 OPPVAL = 1 Sus EUK FleStim AC Lbrajes Design Cache b) Read the specification of 74LS47 (BCD-to-7-Segment Decoder shown in Appendix) to see how the logic IC operates to drive a 7-segment LED display. Draw the circuit connection of the decade counter in (a) and the decoder to display the count value on the 7-segment LED display. Further explain why common anode…
(c) For each of the following parts, fill in the respective row of the timing diagram shown in Figure 5. (i) Find the input for a rising-edge-triggered D flip-flop that would produce the output Q as shown in Figure 5. (ii) Find the input for a rising-edge-triggered T flip-flop that would produce the output Q as shown in Figure 5. Clock D Figure 5
a) Design a single-digit decade counter that counts from 0 to 9 and repeats. The single-digit decade counter should be built by a cascaded synchronous binary counter (74LS163) and other basic logic gates. Simulate thecomplete counter circuit by OrCAD and PSPICE. Capture the circuit schematic and the simulated waveform.(Define the simulation timings for at least one full counting cycle from 0 to 9 and back to 0.)(Hint: Use the DigClock input from the SOURCE as shown below and setup the CLK ONTIME and OFFTIME accordingly for the clock source.)
Design a 3-bit synchronous counter, which counts in the sequence: 001, 011, 010, 110, 111, 101, 100 (repeat) 001, ... Draw the schematic of the design with three flip-flops and combinational logics.
(d) Figure 6 shows the diagram of a 3-bit ripple counter. Assume Qo = Q1 = Q2 = 0 at t = 0, and assume each flip-flop has a delay of 1 ns from the clock input to the Q output. Fill in Qo, Q1, and Q2 of the timing diagram (shown in Figure 7). Flip-flop Q1 will be triggered when Qo changes from 0 to 1. %3D 3 Qo Q2 T T Clock- Figure 6 Clock 10 15 20 25 30 35 40 45 50 Figure 7
Construct a synchronous 3-bit Up/Down counter with irregular sequence by using J-K flip-flops. The state diagram is shown below.
2- Using JK Flip flops, a 2-bit counter will be designed that will count down ((11-10-01-00) when the input is "0") and the random sequence given when the input is "1" (00-01-11-10). a) Construct the state table for the sequential circuit. b) Obtain the simplified input equations for flip-flops. c) Draw the logic circuit for the 2-bit counter.
Q6. For the following state graph, construct a transition table. Then, give the timing diagram for the input sequence X = 101001. Assume X changes midway between the falling and rising edges of the clock, and that the flip-flops are falling-edge triggered. What is the correct output sequence? So S3
Q6/ Design 4 bits up- down counter. Using JK-flip flop.
A counter circuit is shown in Figure Q4(b). Redesign this counter using two T flip-flops and logic gates. (b) QB ac D Flip-flop D Flip-flop D Flip-flop B CIK CIk CIK Clock Clear Clear Clear Clear Figure Q4(b) 10
a. Construct a synchronous 3-bit Up/Down counter with irregular sequence by using J-K flip-flops. The state diagram is shown below. Y = 1 00 010 110 Y =0 101 111 0, 011 100 001 b. Construct an asynchronous counter with a modulus of eleven by using J-K flip-flops. The counter should follow the straight binary sequence from 0000 through 1011. c. The counters are used in cascading in order to achieve the higher modulus operation. A certain application requires an overall modulus of 39,000 which can be achieved by placing the counters in cascading. You are requested to design a circuit for the said purpose by using 74HC161.
You are asked to design a synchronous counter that will count the sequence 1 > 2>3>1. (a) Represent these decimal numbers in 2 bits binary numbers. (b) Write down the state table. (c) Find the functions for the next state of the state table using K-map. (d) Draw the circuit (You need to consider D flip-flops as memory unit).

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