A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
The Q, or quality, factor of a resonant circuit is a measure of the…
What voltage will you choose to use for each of the station batteries?
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Don’t just sit there! Build something!! Learning to analyze digital…
In very simple, qualitative terms, rate the impedance of capacitors…
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.
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.
This calculator computes the power received by an antenna using Friis formula
Early in my explorations of electricity, I came across a length of…
This tool is designed to calculate the maximum distance (range) that a radar can detect
Don’t just sit there! Build something!! Learning to mathematically…
It is fairly important to use large value resistors (10 MΩ works…
∫f(x) dx Calculus alert! One of the fundamental principles of…
You might have been wondering how charges can continuously flow in a…
Just like voltmeters, ammeters tend to influence the amount of current…
Identify each of these logic gates by name, and complete their…
One of the more advanced ADC technologies is the so-called…
Shown here is the schematic symbol for a resistor: What is the purpose…
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
While the C-B (common-base) amplifier is known for wider bandwidth…
Research the FCC (Federal Communication Commission) guidelines on…
It is sometimes desirable to have circuits capable of selectively…
Don’t just sit there! Build something!! Learning to mathematically…
Now that we’ve seen how series and parallel AC circuit analysis…
The Programmable Logic Controller, or PLC, was invented in the late…
In this hands-on electronics experiment, you will build a simple circuit that computes the average of voltages and learn about analog computers and their application.
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
If your event sensing switch is mechanical in nature, you will likely…
The armature windings of your DC motor will have very low resistance.…
There are not too many circuit symbols for bipolar transistors. There…
Conductors lose all of their electrical resistance when cooled to…
Bipolar Junction Transistor or BJT Current Mirror An often-used…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Previously, we examined series circuits and parallel circuits using…
Counting practice: count from zero to thirty-one in binary, octal, and…
In the design of large and complex digital systems, it is often…
One method of addressing the digital ramp ADC’s shortcomings is…
Like bipolar transistors, SCRs and TRIACs are also manufactured as…
This chapter explores the response of capacitors and inductors to…
The single-transistor inverter circuit illustrated earlier is actually…
Identify which direction each potentiometer wiper must move in this…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
If a block of P-type semiconductor is placed in contact with a block…
Contributors to this chapter are listed in chronological order of…
Varicap or varactor diodes A variable capacitance diode is known as a…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
The nonlinearity of material permeability may be graphed for better…
