2. An asynchronous down counter was build from four JK flip flop with clock of first flip flop is 1MHZ. i. Calculate MOD of this counter ii. Calculate frequency at output of third flip-flop. ili. Draw this counter circuit

2. An asynchronous down counter was build from four JK flip flop with clock of first flip flop is 1MHZ. i. Calculate MOD of this counter ii. Calculate frequency at output of third flip-flop. ili. Draw this counter circuit

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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Question

Question number 2 and questions 3 how I can I solve

EXERCISE
1. State TWO (2) differences between synchronous counter and asynchronous counter
2. An asynchronous down counter was build from four JK flip flop with clock of first flip flop is
1MHZ.
i.
Calculate MOD of this counter
ii. Calculate frequency at output of third flip-flop.
ii. Draw this counter circuit
3. Design a synchronous JK counter that goes through states 2, 4, 5, 7, 2, 4...
Your design should have the following steps:
i.
numbers of flip-flop and state diagram
il. Excitation table
. Karnaugh maps
iv.
Counter circuit

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