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AC Instrumentation Transducers

Textbook

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

Signal Modulation

Worksheets - Modules

A modern method of electrical power control involves inserting a…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Modules

What shape of voltage waveform would you expect to measure (using an…

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Mixed-Frequency Signals

Worksheets - Modules

What is a harmonic frequency? If an oscillator circuit outputs a…

Fundamentals of Radio Communication

Worksheets - Modules

What does the acronym RF stand form, in reference to radio-related…

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Phase-Locked Loops

Worksheets - Modules

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

Networks and Busses

Textbook

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Digital Communication

Worksheets - Modules

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

Passive Filter Circuits

Worksheets - Modules

In very simple, qualitative terms, rate the impedance of capacitors…

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Modules

What shape of voltage waveform would you expect to measure (using an…

Wavelength (TEM) Calculator

Tools

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…

Impedance Matching With Transformers

Worksheets - Modules

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Free Space Path Loss Calculator

Tools

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

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Fundamentals of Radio Communication

Worksheets - Modules

What does the acronym RF stand form, in reference to radio-related…

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Electric Shock

Worksheets - Modules

It is sometimes said regarding electrical safety that, Ït’s not the…

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Modules

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Meter Check of a Transistor (BJT)

Textbook

Bipolar transistors are constructed of a three-layer semiconductor…

555 Timer Monostable Circuit Calculator

Tools

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

A Binary Adder

Textbook

Suppose we wanted to build a device that could add two binary bits…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Digital Lab - Basic 2-Input NAND Gate Circuit

Textbook

In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.

Wire-by-Number project kit introduction

Worksheets - Modules

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

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

Simulating JFET Circuits Using LTspice

Textbook

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

Class C BJT Amplifiers

Worksheets - Modules

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

Analog Lab - Op Amp Integrator

Textbook

In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.

Counters

Worksheets - Modules

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

Mutual Inductance

Textbook

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

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Modules

Si Lab - A Simple BJT Current Mirror Circuit

Textbook

In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.

Analog Lab - Voltage Comparator

Textbook

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.

Digital Display Circuits

Worksheets - Modules

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

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Characteristic Impedance

Worksheets - Modules

Note the “50 ohm” rating printed on the jacket of the cable. What…

Conductors and Insulators

Worksheets - Modules

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