PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…
Explain how the microphone in your amplifier works. How, exactly, does…
It is sometimes desirable to have circuits capable of selectively…
PARTS AND MATERIALS High-quality “closed-cup” audio…
Don’t just sit there! Build something!! Learning to mathematically…
A very common misconception students have about potentiometers is the…
An ideal transistor would show 0% distortion in amplifying a signal.…
Don’t just sit there! Build something!! Learning to mathematically…
Decibel as Absolute Unit of Power It is also possible to use the…
When lightning strikes, nearby magnetic compass needles may be seen to…
Don’t just sit there! Build something!! Learning to mathematically…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
It has been found that any repeating, non-sinusoidal waveform can be…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
Radio waves are comprised of oscillating electric and magnetic fields,…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to analyze digital…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
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The Bel is Used to Represent Gain In its simplest form, an…
Determine if the light bulb will de-energize for each of the following…
Many different equations used in the analysis of electric circuits may…
Don’t just sit there! Build something!! Learning to mathematically…
Define the following terms: energy, work, and power.
Periodic table of chemical elements.
PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…
Don’t just sit there! Build something!! Learning to mathematically…
Impedance Matching Because transformers can step voltage and current…
Counting practice: count from zero to thirty-one in binary, octal, and…
Feedback is a fascinating engineering principle. It can turn a rather…
Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
Explain how the microphone in your amplifier works. How, exactly, does…
As we saw earlier, a power system with no secure connection to earth…
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
In the design of large and complex digital systems, it is often…
Definition of a Logarithm “log” denotes a…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
If a pulse-width modulated (PWM) signal is sent to a passive…
It used to be with large AC power systems that “power…
What shape of voltage waveform would you expect to measure (using an…
