All About Circuits

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Rectifier Circuits

Rectifier Circuits

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


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Digital Display Circuits

Digital Display Circuits

What is the purpose of a seven-segment decoder circuit? What is a…


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Switches

Switches

What is the purpose of the switch shown in this schematic diagram?


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555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.


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Special-purpose Diodes

Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…


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Thyristors

Thyristors

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


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AC phase

AC phase

If we were to express the series-connected DC voltages as phasors…


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Light-Pulse Switch

Light-Pulse Switch

It is fairly important to use large value resistors (10 MΩ works…


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Si Lab - Light Sensor (LED Photodetector)

Si Lab - Light Sensor (LED Photodetector)

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.


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Circuits and the Speed of Light

Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…


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Current Divider Circuits

Current Divider Circuits

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


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Design Project: LED Stroboscope

Design Project: LED Stroboscope

A technician uses a stroboscope to “freeze” the rotation of a…


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Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


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AC Motor Theory

AC Motor Theory

Electromechanical watt-hour meters use an aluminum disk that is spun…


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Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


Tools

Static Electricity

Static Electricity

What does it mean for an object to have an electric charge? Give an…


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Digital Lab - 10-bit Flashing LED Sequencer

Digital Lab - 10-bit Flashing LED Sequencer

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.


Textbook

Thyristor Application Circuits

Thyristor Application Circuits

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


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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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Convert MCD to Lumens

Convert MCD to Lumens

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.


Tools

Miscellaneous Diode Applications

Miscellaneous Diode Applications

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


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Hysteresis

Hysteresis

Thyristors are a class of semiconductor components exhibiting…


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Special-purpose Diodes

Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…


Textbook

LC Resonant Frequency Calculator

LC Resonant Frequency Calculator

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.


Tools

Performance-Based Assessments for Analog Integrated Circuit Competencies

Performance-Based Assessments for Analog Integrated Circuit Competencies


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DC Motor Theory

DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…


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Basic Oscilloscope Operation

Basic Oscilloscope Operation

An oscilloscope is a very useful piece of electronic test equipment.…


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RC Time Constant Calculator

RC Time Constant Calculator

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.


Tools

Shift Registers: Serial-in, Parallel-out  (SIPO) Conversion

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

A serial-in, parallel-out shift register is similar to the serial-in,…


Textbook

Decimal versus Binary Numeration

Decimal versus Binary Numeration

Let’s count from zero to twenty using four different kinds of…


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Introduction to Digital Communication

Introduction to Digital Communication

In the design of large and complex digital systems, it is often…


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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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Scientific Notation and Metric Prefixes

Scientific Notation and Metric Prefixes

Write the following exponential expressions in expanded form: 101 =…


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Clamper Circuits

Clamper Circuits

The circuits in the figure below are known as clampers or DC…


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Binary Math

Binary Math

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


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Introduction to Operational Amplifiers (Op-amps)

Introduction to Operational Amplifiers (Op-amps)

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…


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BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


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Questions relating to project management

Questions relating to project management

NAME:…


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DC Lab - Introduction

DC Lab - Introduction

In this series of hands-on electronics experiments, you will build direct current (DC) circuits and learn fundamental electrical engineering circuit concepts.


Textbook

Digital Logic Functions

Digital Logic Functions

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


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