Course Title: Digital Electronic Theory

Delivery Medium: Video Tapes

Course Overview: This comprehensive training program consists of four lessons that train participants to understand the operation of various types of digital circuits and to effectively troubleshoot these circuits.

Intended Audience: This program is excellent both for the training of electricians and technicians in instrumentation and electronics as well as for the multi-craft training needs of process and manufacturing facilities.

Associated Course Lessons

Lesson Title: Lesson 1- Binary Logic Circuits Lesson

Prerequisite: This lesson is designed for participants familiar with AC/DC theory, electrical safety, and electrical print reading. A basic understanding of logic gates is also required.

Lesson Description: This lesson explains and demonstrates binary logic signals and the use of logic gates in integrated circuits. The lesson also describes Boolean expressions, truth tables, and Karnaugh mapping in relation to the logic of complex circuits. These topics are directly applied to troubleshooting digital circuits.

Lesson Outcome: Upon completion of this lesson, participants will be able to identify voltages of digital components; identify leading and trailing edges of a digital signal; interpret pin connection diagrams and wiring diagrams; state the function of a pin on an IC chip when provided with a pin connection diagram or a wiring diagram; properly use a logic probe, logic clip, logic monitor, and logic pulser to test the operation of an IC chip; test the operation of a circuit and determine if it is functioning properly; interpret and develop related Boolean expressions and truth tables; and simplify a two-variable Boolean expression using Karnaugh mapping.

Lesson Title: Lesson 2- Codes, Encoders, Decoders, and Flip-Flops

Lesson Prerequisite: This lesson is designed for participants familiar with AC/DC theory, logic gates, and binary numbering systems. A knowledge of pin connection diagrams and wiring diagrams is also required.

Lesson Description: This lesson discusses codes, encoders, and decoders and explains how to troubleshoot these circuits. In addition, the lesson addresses the operation and troubleshooting of flip-flops.

Lesson Outcome: Upon completion of this lesson, participants will be able to convert between BCD and decimal numbers; identify and describe the function of active low inputs and outputs; explain the functions of pins on an encoder and the operation of a seven segment LED display; determine whether encoder and decoder circuits are functioning properly; state the difference between combinational and sequential logic circuits; describe the operation of R-S flip-flops, D flip-flops, and J-K flip-flops; describe the operation of an IC latch; interpret flip-flop truth tables; and determine whether flip-flop circuits are functioning properly.

Lesson Title: Lesson 3- Counters and Shift Registers

Lesson Prerequisite: This lesson is designed for participants familiar with AC/DC theory, binary numbering systems, logic gates, and flip-flops. A knowledge of pin connection diagrams and wiring diagrams is also required.

Lesson Description: This lesson discusses the principles of counters and their various applications. The lesson also explains the principles and features of shift registers, emphasizing serial load shift registers, parallel load shift registers, and universal shift registers. Troubleshooting counters and shift registers is also addressed.

Lesson Outcome: Upon completion of this lesson, participants will be able to determine binary outputs and the limits for counters; understand how input pulses affect the counter's output; identify synchronous and asynchronous counters; define ripple counters, up/down counters, self-stopping counters and frequency dividers; use count sequence tables in troubleshooting counters; understand the basic shifting concept; state the difference between serial load shift registers and parallel load shift registers; identify universal shift registers; and troubleshoot counters and shift registers.

Lesson Title: Lesson 4- Data Transmission, Conversion, and Storage

Lesson Prerequisite: This lesson is designed for participants familiar with AC/DC theory, binary numbering systems, and parallel and serial data. A basic understanding of logic gates and flip-flop circuits, and the use of pin connection and wiring diagrams is also required.

Lesson Description: This lesson demonstrates the use of data transmission circuits, including multiplexer and demultiplexer circuits. The lesson explains digital-to-analog and analog-to-digital converter circuits and teaches different types of memory. Troubleshooting of data transmission circuits is also performed.

Lesson Outcome: Upon completion of this lesson, participants will be able to state the functions of a multiplexer; trace the logic in simplified and complex multiplexer and demultiplexer circuits; identify the pins used to input, output, and address data for multiplexer and demultiplexer chips; determine if a multiplexer or demultiplexer chip is functioning properly; understand the operation of a digital-to-analog and analog-to-digital converter circuit; understand the operation of a counter type analog-to-digital converter circuit; read and write data to a specific memory address; and distinguish between ROM and RAM, and between PROM, EPROM and EAROM.

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