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Digital Logic Functions

Digital Logic Functions

We can construct a simple logic functions for our hypothetical lamp…


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Integrated Circuits

Integrated Circuits

  A Logic Gate is assigned as an elementary building block of…


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CMOS Logic Gates

CMOS Logic Gates

Counting practice: count from zero to thirty-one in binary, octal, and…


Worksheets - Discrete Logic

Circuit Simplification Examples

Circuit Simplification Examples

Let’s begin with a semiconductor gate circuit in need of…


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Boolean Arithmetic

Boolean Arithmetic

Let us begin our exploration of Boolean algebra by adding numbers…


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Special-output Gates

Special-output Gates

Complementary Output Gates It is sometimes desirable to have a logic…


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Ring Counters

Ring Counters

If the output of a shift register is fed back to the input. a ring…


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Time-Delay Electromechanical Relays

Time-Delay Electromechanical Relays

What does the normal status of an electrical switch refer to?…


Worksheets - Discrete Logic

Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


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555 Lab - Monostable Multivibrator (One-shot)

555 Lab - Monostable Multivibrator (One-shot)

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.


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Shift Registers: Serial-in, Serial-out

Shift Registers: Serial-in, Serial-out

Serial-in, serial-out shift registers delay data by one clock time for…


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Using Multiple Combinational Circuits

Using Multiple Combinational Circuits

As an example of using several circuits together, we are going to make…


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DIP Gate Packaging

DIP Gate Packaging

Digital logic gate circuits are manufactured as integrated circuits:…


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Monostable Multivibrators

Monostable Multivibrators

We’ve already seen one example of a monostable multivibrator in…


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Decoder

Decoder

A decoder is a circuit that changes a code into a set of signals. It…


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555 Lab - Advanced Red LED Flasher

555 Lab - Advanced Red LED Flasher

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.


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Don’t Care Cells in the Karnaugh Map

Don’t Care Cells in the Karnaugh Map

Up to this point we have considered logic reduction problems where…


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Latch Circuits

Latch Circuits

What do you think this logic buffer gate will do, with the output…


Worksheets - Discrete Logic

555 Timer Monostable Circuit Calculator

555 Timer Monostable Circuit Calculator

This calculator computes for the output pulse width of a 555 timer monostable circuit


Tools

Digital Logic With Feedback

Digital Logic With Feedback

With simple gate and combinational logic circuits, there is a definite…


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Intro Lab - How to Use an Ohmmeter to Measure Resistance

Intro Lab - How to Use an Ohmmeter to Measure Resistance

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.


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Programmable Logic Technology

Programmable Logic Technology

Define the following acronyms as they apply to digital logic circuits:…


Worksheets - Discrete Logic

Integrated Circuits

Integrated Circuits

  A Logic Gate is assigned as an elementary building block of…


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The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…


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Multiple-input Gates

Multiple-input Gates

The Use of Logic Gate Inverters and buffers exhaust the possibilities…


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Binary Subtraction

Binary Subtraction

We can subtract one binary number from another by using the standard…


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Converting Truth Tables into Boolean Expressions

Converting Truth Tables into Boolean Expressions

In designing digital circuits, the designer often begins with a truth…


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Safe Circuit Design

Safe Circuit Design

As we saw earlier, a power system with no secure connection to earth…


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AC Circuit Equations

AC Circuit Equations

Inductive Reactance     Capacitive Reactance    …


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DC Circuit Equations and Laws

DC Circuit Equations and Laws

Power Equation of Ohm’s Law and Joule’s Law    …


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Microprocessor Programming

Microprocessor Programming

What is the difference between a JMP (“jump”) instruction and a…


Worksheets - Discrete Logic

Ammeter Impact on Measured Circuit

Ammeter Impact on Measured Circuit

Just like voltmeters, ammeters tend to influence the amount of current…


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Delta and Wye 3-Phase Circuits

Delta and Wye 3-Phase Circuits

Label where each of the following electrical quantities would be found…


Worksheets - Discrete Logic

Digital Lab - S-R Flip-flop Using NAND Gates

Digital Lab - S-R Flip-flop Using NAND Gates

In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.


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555 Lab - Advanced Red LED Flasher

555 Lab - Advanced Red LED Flasher

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.


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Capacitor Sizing Equation

Capacitor Sizing Equation

Capacitance Formula     Permittivity of Dielectric  …


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Intro Lab - How to Use a Voltmeter to Measure Voltage

Intro Lab - How to Use a Voltmeter to Measure Voltage

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure voltage using the voltmeter function.


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555 Lab - Blue LED Flasher With Voltage Doubler

555 Lab - Blue LED Flasher With Voltage Doubler

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.


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AC Lab - Musical Keyboard as a Signal Generator

AC Lab - Musical Keyboard as a Signal Generator

In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.


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Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Discrete Logic

What Is the Skin Effect?

What Is the Skin Effect?

The Skin Depth of Copper in Electrical Engineering As previously…


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Fuses

Fuses

Normally, the ampacity rating of a conductor is a circuit design…


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Mutual Inductance

Mutual Inductance

If two coils of wire are brought into close proximity with each other…


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Voltage and Current

Voltage and Current

As was previously mentioned, we need more than just a continuous path…


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Timer Circuits

Timer Circuits

Don’t just sit there! Build something!! Learning to analyze digital…


Worksheets - Discrete Logic

Oscillator Circuits

Oscillator Circuits

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…


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Introduction to Junction Field-effect Transistors (JFET)

Introduction to Junction Field-effect Transistors (JFET)

A transistor is a semiconductor device that controls current with the…


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