In very simple, qualitative terms, rate the impedance of capacitors…
Pulse Width Modulation (PWM) uses digital signals to control power…
This is a schematic for a simple VCO: The oscillator is of the RC…
What shape of voltage waveform would you expect to measure (using an…
Whenever there is a mismatch of impedance between transmission line…
Aside from the issues of the physical network (signal types and…
Varicap or varactor diodes A variable capacitance diode is known as a…
A modern method of electrical power control involves inserting a…
Don’t just sit there! Build something!! Learning to analyze digital…
Just as devices have been made to measure certain physical quantities…
A waveguide is a special form of transmission line consisting of a…
The wires between the tank and the monitoring location is called…
Normally, the rotor windings of a wound rotor induction motor are…
This calculator computes the power received by an antenna using Friis formula
With BogusBus, our signals were very simple and straightforward: each…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
What is a harmonic frequency? If an oscillator circuit outputs a…
One of the more fascinating applications of electricity is in the…
Impedance Matching Because transformers can step voltage and current…
What does the acronym RF stand form, in reference to radio-related…
This tool calculates the cutoff frequency of a circular waveguide
Whenever there is a mismatch of impedance between transmission line…
The discovery of the relationship between magnetism and electricity…
It is sometimes desirable to have circuits capable of selectively…
A tool designed to calculate the noise figure of cascaded amplifiers
Decibel as Absolute Unit of Power It is also possible to use the…
One of the more fascinating applications of electricity is in the…
In the last section, we saw how the 3rd harmonic and all of its…
Before we begin to explore the effects of resistors, inductors, and…
Centuries ago, it was discovered that certain types of mineral rock…
This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
The Q, or quality, factor of a resonant circuit is a measure of the…
Impedance Matching Because transformers can step voltage and current…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Buses and networks are designed to allow communication to occur…
A tool designed to convert RF power from watts to decibels and vice versa
A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.
Introduction Whenever an electric voltage exists between two separated…
In the design of large and complex digital systems, it is often…
Provide a definition for phasor, as the term applies to electrical…
Let’s connect three AC voltage sources in series and use complex…
Let’s count from zero to twenty using four different kinds of…
How is it possible to electrically measure the torque output by a…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Contributors to this chapter are listed in chronological order of…
This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.
Identify some different ways you can create the sine-wave audio tracks…
Computers can be powerful tools if used properly, especially in the…
Input impedance varies considerably with the circuit configuration…
Incomplete
Brushless DC motors were developed from conventional brushed DC motors…
Wiring for AC and DC power distribution branch circuits are color…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
Don’t just sit there! Build something!! Learning to mathematically…
Certain substances are known to physically deform (shorten or…
Introduction This third volume of the book series Lessons In Electric…
Mathematicians use Venn diagrams to show the logical relationships of…
A calculator designed to compute the power-added efficiency (PAE) of an amplifier
Schottky diodes Schottky diodes are constructed of a metal-to-N…
