This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
What is a harmonic frequency? If an oscillator circuit outputs a…
Don’t just sit there! Build something!! Learning to analyze digital…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
The Skin Depth of Copper in Electrical Engineering As previously…
In the design of large and complex digital systems, it is often…
What does the acronym RF stand form, in reference to radio-related…
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
One of the more fascinating applications of electricity is in the…
Normally, the rotor windings of a wound rotor induction motor are…
With BogusBus, our signals were very simple and straightforward: each…
An ideal transistor would show 0% distortion in amplifying a signal.…
In very simple, qualitative terms, rate the impedance of capacitors…
A modern alternative to sending (binary) digital information via…
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
Just as devices have been made to measure certain physical quantities…
This calculator computes the power received by an antenna using Friis formula
This tool is designed to convert power ratios to decibel
A waveguide is a special form of transmission line consisting of a…
This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.
While Oersted’s surprising discovery of electromagnetism paved…
This tool is designed to calculate the inductance of two parallel wires
A tool designed to calculate the noise figure of cascaded amplifiers
It is sometimes desirable to have circuits capable of selectively…
This calculator computes the power received by an antenna using Friis formula
What is Conductance? In the study of DC circuits, the student of…
Generally speaking, network analysis is any structured technique used…
A transmission line of infinite length is an interesting abstraction,…
Before we begin to explore the effects of resistors, inductors, and…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
Aside from the issues of the physical network (signal types and…
The Bel is Used to Represent Gain In its simplest form, an…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
So far, the filter designs we’ve concentrated on have employed…
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
When lightning strikes, nearby magnetic compass needles may be seen to…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
In the last section, we saw how the 3rd harmonic and all of its…
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
It is sometimes said regarding electrical safety that, Ït’s not the…
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
One of the more fascinating applications of electricity is in the…
Don’t just sit there! Build something!! Learning to mathematically…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
Passive Devices Components incapable of controlling current by means…
What is the purpose of the switch shown in this schematic diagram?
Shown here is the schematic symbol for a resistor: What is the purpose…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 470 µF…
The fourth example has A partially overlapping B. Though, we will…
Like all diodes, Shockley diodes are unidirectional devices; that is,…
When an alternator produces AC voltage, the voltage switches polarity…
Reminders When Using Ohm’s Law One of the most common mistakes…
A capacitor is a passive two-terminal electronic component that…
Note that the direction of the arrow at the gate indicates the…
As was stated in the last chapter, there is more than one type of…
It is fairly important to use large value resistors (10 MΩ works…
A meter is any device built to accurately detect and display an…
