The Q, or quality, factor of a resonant circuit is a measure of the…
A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
This tool is designed to calculate the maximum distance (range) that a radar can detect
This calculator computes the power received by an antenna using Friis formula
In very simple, qualitative terms, rate the impedance of capacitors…
What voltage will you choose to use for each of the station batteries?
Don’t just sit there! Build something!! Learning to analyze digital…
Early in my explorations of electricity, I came across a length of…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
Thevenin’s Theorem states that it is possible to simplify any…
Bipolar transistors are constructed of a three-layer semiconductor…
Notice something important here: taking the derivative of f(x)…
No text on electrical metering could be called complete without a…
Introduction Whenever an electric voltage exists between two separated…
Although transistor switching circuits operate without bias, it is…
Since three-phase is used so often for power distribution systems, it…
Identify which trigonometric functions (sine, cosine, or tangent) are…
Single phase power system schematic diagram shows little about the…
Charles Proteus Steinmetz’s first job after arriving in America…
So far, we’ve observed simulations of transformers where the…
A helpful analogy for understanding divided feedback amplifier…
Our exploration of thyristors begins with a device called the…
Don’t just sit there! Build something!! Learning to mathematically…
In an ideal case, an inductor acts as a purely reactive device. That…
The choice of step-down transformers to use in a project such as this…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
Given two lengths of metal wire, which one will have the least…
Inductors do not have a stable “resistance” as conductors…
This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
Older electrical schematics showed connecting wires crossing, while…
In our study of AC circuits thus far, we’ve explored circuits…
Value of time constant in series RC and RL circuits Time…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
When someone mentions the word “computer,” a digital…
This calculator computes for the output pulse width of a 555 timer monostable circuit
If we add a voltage divider to the negative feedback wiring so that…
PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…
Another type of mathematical identity, called a “property”…
The Programmable Logic Controller, or PLC, was invented in the late…
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
In the last section, we learned what would happen in simple…
Our next transistor configuration to study is a bit simpler for gain…
Serial-in, serial-out shift registers delay data by one clock time for…
The structure behind ladder logic is based on the electrical ladder…
In order to work with complex numbers without drawing vectors, we…
The smaller the cross-sectional area of any given wire, the greater…
Electricity and Magnetism An electric current through a conductor will…
Identify which direction each potentiometer wiper must move in this…
Contributors to this chapter are listed in chronological order of…
