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.

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Convert MCD to Lumens

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

Tools

Design Project: LED Stroboscope

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

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Thyristors

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

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Series-Parallel DC Circuits

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

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AC Power

If a sinusoidal voltage is applied to an impedance with a phase angle…

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Mutual Inductance

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

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The Common-source Amplifier (IGFET)

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Scientific Notation in SPICE

The SPICE circuit simulation computer program uses scientific notation…

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Elementary Amplifier Theory

Fundamentally, an amplifier is a device that takes in a low-power…

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Active Loads in Amplifier Circuits

We know that the current in a series circuit may be calculated with…

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Design Project: DC Motor

The armature windings of your DC motor will have very low resistance.…

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Voltage Regulation

As we saw in a few SPICE analyses earlier in this chapter, the output…

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DC Transducers

Research and describe what the Hall effect is, and list some practical…

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The Junction Field-effect Transistor (JFET) as a Switch

Like its bipolar cousin, the field-effect transistor may be used as an…

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Contactors

All About Contactors When a relay is used to switch a large amount of…

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Coil Inductance Calculator

This calculator computes the inductance of a wire coil.

Tools

Complex Voltage and Current Calculations

There are circumstances when you may need to analyze a DC reactive…

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Averager and Summer Circuits

If we take three equal resistors and connect one end of each to a…

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Temperature Coefficients of Resistance Table

Temperature coefficient (α) per degree C: Material Element/Alloy…

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The Common-emitter Amplifier

At the beginning of this chapter, it illustrates how transistors could…

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Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…

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Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…

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Wire-by-Number project kit introduction

Wire-by-Number project: simple voltage divider Description: Build a…

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Contact “Bounce”

When a switch is actuated and contacts touch one another under the…

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Peak Detector

A peak detector is a series connection of a diode and a…

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AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…

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AC Lab - Variable Inductor

In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.

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Digital Lab - Digital Combination Lock

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

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Si Lab - Astable Multivibrator Audio Oscillator

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.

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Historical, Nonmechanical Memory Technologies

Perhaps the most ingenious technique was that of the delay line. A…

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Series and Parallel Component Equivalent Values

Series and Parallel Resistances     Series and Parallel…

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Ohm’s Law Calculator

Calculate circuit parameters using Ohm's Law

Tools

Resistors Types

These are the most common types of resistors available. Resistors…

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Capacitor Types

A capacitor is a passive two-terminal electronic component that…

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DC Metrology

Define the following metrological terms: • Uncertainty • Accuracy…

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Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

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The DIAC

Like all diodes, Shockley diodes are unidirectional devices; that is,…

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The Junction Field-effect Transistor (JFET) as a Switch

Like its bipolar cousin, the field-effect transistor may be used as an…

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Systems of Numeration

Roman Numerals The Romans devised a system that was a substantial…

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The Common-source Amplifier (IGFET)

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Voltage Divider Calculator

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

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Optothyristors

Like bipolar transistors, SCRs and TRIACs are also manufactured as…

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DC Lab - Rheostat Range Limiting

In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.

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Characteristic Impedance

The Parallel Wires of Infinite Length Suppose, though, that we had a…

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