During the early development of telephone technology, a unit was…
Decibel as Absolute Unit of Power It is also possible to use the…
What is a harmonic frequency? If an oscillator circuit outputs a…
Power Capacity As has already been observed, transformers must be well…
PARTS AND MATERIALS High-quality “closed-cup” audio…
What does the acronym RF stand form, in reference to radio-related…
When lightning strikes, nearby magnetic compass needles may be seen to…
Determine what the magnitude and polarity of the voltmeter’s…
The Bel is Used to Represent Gain In its simplest form, an…
Don’t just sit there! Build something!! Learning to mathematically…
It has been found that any repeating, non-sinusoidal waveform can be…
Don’t just sit there! Build something!! Learning to mathematically…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Long before the advent of digital electronic technology, computers…
Explain how the microphone in your amplifier works. How, exactly, does…
Don’t just sit there! Build something!! Learning to mathematically…
A very common misconception students have about potentiometers is the…
Real operational amplifiers have some imperfections compared to an…
To overcome the challenge of creating necessary DC bias voltage for an…
A very important measurement in many liquid chemical processes…
Solving for x in a given polynomial equation “ax2 + bx + c…
A similar effect happens in series inductive/capacitive circuits. When…
Research and describe what the Hall effect is, and list some practical…
How is it possible to electrically measure the torque output by a…
Don’t just sit there! Build something!! Learning to mathematically…
This calculator computes the power received by an antenna using Friis formula
The circuit in the previous section is not a very practical one. In…
Fundamentally, an amplifier is a device that takes in a low-power…
What is the difference between a JMP (“jump”) instruction and a…
Synchronous motors load the power line with a leading power factor.…
This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
PARTS AND MATERIALS Four 6 volt batteries Operational amplifier, model…
We know that the current in a series circuit may be calculated with…
The singular reason for learning and using the binary numeration…
By now you should be well aware of the correlation between electrical…
Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…
“Garbage in, garbage out.” —Anonymous SPICE is a…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
