Principles of Radio

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

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Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…

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Introduction to Digital Communication

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

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Radar Maximum Range Calculator

This tool is designed to calculate the maximum distance (range) that a radar can detect

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What Is the Skin Effect?

The Skin Depth of Copper in Electrical Engineering As previously…

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Digital Communication

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

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Networks and Busses

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

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Microstrip Inductance Calculator

This calculator computes the inductance of a microstrip etched on a PCB.

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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.

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Electromagnetism

The discovery of the relationship between magnetism and electricity…

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Impedance Matching With Transformers

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

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AC Instrumentation Transducers

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

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Principles of Radio

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

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Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…

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Power Added Efficiency Calculator

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

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Other Waveshapes

As strange as it may seem, any repeating, non-sinusoidal waveform is…

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Magnetic Units of Measurement

If the burden of two systems of measurement for common quantities…

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Radio Circuits

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

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Selsyn (Synchro) Motors

Normally, the rotor windings of a wound rotor induction motor are…

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Snell’s Law Calculator

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

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Radar Maximum Range Calculator

This tool is designed to calculate the maximum distance (range) that a radar can detect

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Rectifier Circuits

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

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Square Wave Signals

It has been found that any repeating, non-sinusoidal waveform can be…

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Harmonics in Polyphase Power Systems

In the chapter on mixed-frequency signals, we explored the concept of…

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Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.

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Microstrip Patch Antenna Calculator

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

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DC Lab - Rate-of-change Indicator

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.

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Design Project: LED Stroboscope

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

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Some Examples with AC Circuits

Let’s connect three AC voltage sources in series and use complex…

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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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Contributors (4)

Contributors to this chapter are listed in chronological order of…

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Voltage Divider Circuits

Let’s analyze a simple series circuit and determine the voltage…

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Switches, Hand Actuated

A switch is an electrical component that can “make” or…

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Enhancement-type IGFETs

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Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…

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Parallel Circuits and the Application of Ohm’s Law

In this introduction to parallel resistance circuits, we will explain…

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Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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Clamper Circuits

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

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Network Topology

Point-to-Point Connecting two digital devices with a network, would…

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Oscilloscope Trigger Controls

A very useful tool for observing rotating objects is a strobe light.…

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Basic identities

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

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JFET Amplifiers

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

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Phasing

Since transformers are essentially AC devices, we need to be aware of…

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The R/2R DAC (Digital-to-Analog Converter)

The R/2R DAC circuit is an alternative to the binary-weighted-input…

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Wire Types and Sizes

Most electrical wire is covered in a rubber or plastic coating called…

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The common-drain Amplifier (JFET)

RELATED WORKSHEETS: JFET Amplifiers Worksheet

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