Computer Simulation of Electric Circuits

Computers can be powerful tools if used properly, especially in the…

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Safe Circuit Design

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

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SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…

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Analog Lab - Precision Voltage Follower Using an Op Amp

In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.

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Analog Lab - Non-inverting Amplifier

In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.

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MESFETs

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Si Lab - JFET Current Regulator

In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.

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Torque Conversion Calculator

A tool designed to convert between units of torque

Tools

Autotransformers

How much voltage is there between the following pairs of points in…

Worksheets - PCB Layout

AC Lab - LC Tank Circuit

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.

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JFET Quirks

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AC Lab - Sensing AC Electric Fields

In this hands-on AC electronics experiment, you will sense AC electric fields using the sensitive voltage detector and learn about capacitive coupling, EMI, and shielding techniques.

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Specific Resistance of Conductors

Given two lengths of metal wire, which one will have the least…

Worksheets - PCB Layout

Design Project: LED Stroboscope

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

Worksheets - PCB Layout

Broadside Coupled Stripline Impedance Calculator

This calculator helps you compute the characteristic impedance of a broadside coupled stripline.

Tools

Encoder

What is an Encoder? An encoder is a circuit that changes a set of…

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Free Space Path Loss Calculator

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Tools

Power in Electric Circuits

In addition to voltage and current, there is another important…

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AC Phase

Things start to get complicated when we need to relate two or more AC…

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What is a Meter?

A meter is any device built to accurately detect and display an…

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Inductors

An inductor is a passive two-terminal electrical component that…

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CMOS Logic Gates

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

Worksheets - PCB Layout

Design Project: Sensitive Audio Detector

The choice of step-down transformers to use in a project such as this…

Worksheets - PCB Layout

Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…

Worksheets - PCB Layout

Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…

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