In this live RCL taillight demonstration at CES in Las Vegas, you can see the capabilities of…
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…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
This calculator computes the power received by an antenna using Friis formula
What voltage will you choose to use for each of the station batteries?
This tool is designed to calculate the maximum distance (range) that a radar can detect
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
The Q, or quality, factor of a resonant circuit is a measure of the…
This tool is designed to calculate the power at the receiver using link budget analysis.
Early in my explorations of electricity, I came across a length of…
In very simple, qualitative terms, rate the impedance of capacitors…
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
Like its bipolar cousin, the field-effect transistor may be used as an…
PARTS AND MATERIALS Four 6 volt batteries Operational amplifier,…
Arithmetic sequences An arithmetic sequence is a series of numbers…
In ladder logic symbolism, an electromechanical relay coil is shown as…
Because capacitors store energy in the form of an electric field, they…
“All men are liable to error;” —John Locke Whereas the last…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Contributors to this chapter are listed in chronological order of…
Don’t just sit there! Build something!! Learning to mathematically…
If vectors with uncommon angles are added, their magnitudes (lengths)…
This calculator helps you compute the inductance of a rectangle loop.
So far we know that AC voltage alternates in polarity and AC current…
Normally, the rotor windings of a wound rotor induction motor are…
What will happen to the brightness of the light bulb as the iron core…
Identify some of the different types of capacitors, and their…
The electrical resistance of a conductor at any temperature may be…
Don’t just sit there! Build something!! Learning to mathematically…
In power distribution systems, it is very important to be able to…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Calculate circuit parameters using Ohm's Law
Like all diodes, Shockley diodes are unidirectional devices; that is,…
Don’t just sit there! Build something!! Learning to analyze digital…
A common class of operation used in radio-frequency (RF) amplifier…
A tool designed to convert between units of torque
When someone mentions the word “computer,” a digital device is…
This tool is designed to calculate the inductance of two parallel wires
The interlock contacts installed in the previous section’s motor…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.
Bipolar transistors are constructed of a three-layer semiconductor…
Suppose I were about to measure an unknown voltage with a manual-range…
Inductors have the exact opposite characteristics of capacitors.…
PARTS AND MATERIALS Two 6-volt batteries Four NPN…
It should be common-sense knowledge that liquids flow through…
A calculator for computing the gain and output voltage of an operational amplifier
Try out our Resistor Color Code Calculator in our Tools section.…
Don’t just sit there! Build something!! Learning to mathematically…
