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Power in Resistive and Reactive AC circuits

Textbook

Consider a circuit for a single-phase AC power system, where a 120…

SPICE Models

Textbook

The SPICE circuit simulation program provides for modeling diodes in…

Si Lab - BJT Common-emitter Amplifier

Textbook

In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.

Three-phase Y and Delta Configurations

Textbook

Three-phase Wye(Y) Connection Initially, we explored the idea of…

Antenna Downtilt and Coverage Calculator

Tools

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Basic identities

Textbook

Additive Identity a + 0 = a Multiplicative Identity 1a = a…

Simulating JFET Circuits Using LTspice

Textbook

Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.

DC Motor Control Circuits

Worksheets - Wearables

How is it possible to electrically measure the torque output by a…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Optical Data Communication

Textbook

A modern alternative to sending (binary) digital information via…

Servo Motor Systems

Worksheets - Wearables

Explain the operation of this “H-bridge” motor control circuit: At…

Encoders and Decoders

Worksheets - Wearables

What does it mean, in general terms, to encode something? Conversely,…

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

DC Lab - Potentiometer Voltage Divider

Textbook

In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.

IGFET Amplifiers

Worksheets - Wearables

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

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Networks and Busses

Textbook

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

Stepper Motors

Worksheets - Wearables

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

Autotransformers

Worksheets - Wearables

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

Node Voltage Method

Textbook

The node voltage method of DC network analysis solves for unknown…

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Wearables

The electrical resistance of a conductor at any temperature may be…

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Wearables

(Template)

Phase-Locked Loops

Worksheets - Wearables

This is a schematic for a simple VCO: The oscillator is of the RC…

AC Lab - Frequency Analysis

Textbook

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

R, L and C Summary

Textbook

With the notable exception of calculations for power (P), all AC…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Inductor Transient Response

Textbook

Inductors have the exact opposite characteristics of capacitors.…

Contact “Bounce”

Textbook

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

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

DC Lab - Voltage Divider

Textbook

In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.

Class C BJT Amplifiers

Worksheets - Wearables

A common class of operation used in radio-frequency (RF) amplifier…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Batteries

Worksheets - Wearables

If I wanted to build a battery-powered electric drill, would it be…

Design Project: Telegraph System

Worksheets - Wearables

What voltage will you choose to use for each of the station batteries?