Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Worksheets - Wireless/RF
How to Create a Band-stop Filter? Also called band-elimination,…
Textbook
The Voltage Gain Because amplifiers have the ability to increase the…
Textbook
Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
Whenever electrons flow through a conductor, a magnetic field will…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
By definition, a low-pass filter is a circuit offering easy passage to…
Textbook
A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.
Tools
A transmission line of infinite length is an interesting abstraction,…
Textbook
In our study of AC circuits thus far, we’ve explored circuits…
Textbook
When lightning strikes, nearby magnetic compass needles may be seen to…
Worksheets - Wireless/RF
Resonance in a Tank Circuit A condition of resonance will be…
Textbook
One of the more fascinating applications of electricity is in the…
Textbook
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
Tools
The Q, or quality, factor of a resonant circuit is a measure of the…
Textbook
Just as devices have been made to measure certain physical quantities…
Textbook
So far, the filter designs we’ve concentrated on have employed…
Textbook
Define what noise means, in the electrical sense of the word. How does…
Worksheets - Wireless/RF
Point-to-Point Connecting two digital devices with a network, would…
Textbook
A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line
Tools
Contributors to this chapter are listed in chronological order of…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
It is sometimes desirable to have circuits capable of selectively…
Textbook
SCRs are unidirectional (one-way) current devices, making them useful…
Textbook
If I wanted to build a battery-powered electric drill, would it be…
Worksheets - Wireless/RF
Power in an electric circuit is the product (multiplication) of…
Textbook
As was stated earlier, most meter movements are sensitive devices.…
Textbook
The electrical resistance of a conductor at any temperature may be…
Worksheets - Wireless/RF
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.
Tools
A tool designed to calculate the guided wavelength inside a microstrip.
Tools
The Voltage Gain Because amplifiers have the ability to increase the…
Textbook
SPICE is a computer program designed to simulate analog electronic…
Textbook
It is a common phenomenon for the electrical resistance of a substance…
Worksheets - Wireless/RF
Calculate the voltage output by the secondary winding of a transformer…
Worksheets - Wireless/RF
This article explains the step-by-step process for determining the…
Textbook
Logic circuits, whether comprised of electromechanical relays or…
Textbook
Additive Identity a + 0 = a Multiplicative Identity 1a = a…
Textbook
There’s a sure way to calculate any of the values in a reactive…
Textbook
Inductors do not have a stable “resistance” as conductors…
Textbook
It should be common-sense knowledge that liquids flow through…
Textbook
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
Tools
If two coils of wire are brought into close proximity with each other…
Textbook
If you’ve used DOS or UNIX operating systems before in a…
Textbook
Most integrated circuits are digital, based on MOS (CMOS) transistors.…
Textbook
When calculating the power dissipation of resistive components, we can…
Textbook
In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
Textbook
A permanent magnet is a device that retains a magnetic field without…
Worksheets - Wireless/RF
What hazards might be posed by a circuit with excessive current going…
Worksheets - Wireless/RF
A multiplexer, abbreviated mux, is a device that has multiple inputs…
Textbook
We can construct a simple logic functions for our hypothetical lamp…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
What is an Encoder? An encoder is a circuit that changes a set of…
Textbook
The concept and measurement units of resistance are most often used…
Textbook
In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
Textbook
If we examine a four-bit binary count sequence from 0000 to 1111, a…
Textbook
In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
Textbook
Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.
Textbook
There are three basic factors of capacitor construction determining…
Textbook
Shift registers, like counters, are a form of sequential…
Textbook
If an electric current is passed through this wire, which direction…
Worksheets - Wireless/RF
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