In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.
Safety is very important when designing and/or building a device…
In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
In this introduction to series resistance circuits, we will explain…
Counting practice: count from zero to thirty-one in binary, octal, and…
What, exactly, is an arbitrary waveform generator, and for what…
Complex numbers are useful for AC circuit analysis because they…
Explain the operation of this “H-bridge” motor control circuit: At…
So far we know that AC voltage alternates in polarity and AC current…
What do each of the oscilloscope axes represent, in real-life terms…
Let’s connect three AC voltage sources in series and use complex…
Generally speaking, how many “time constants” worth of time does…
Don’t just sit there! Build something!! Learning to mathematically…
When an alternator produces AC voltage, the voltage switches polarity…
Many electronic circuits use what is called a split or a dual power…
It used to be with large AC power systems that “power…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
The first, and perhaps most important, relationship between current,…
At the beginning of this chapter, it illustrates how transistors could…
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Contributors to this chapter are listed in chronological order of…
In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.
It has been found that any repeating, non-sinusoidal waveform can be…
By definition, a low-pass filter is a circuit offering easy passage to…
Just as devices have been made to measure certain physical quantities…
An unbalanced Wheatstone bridge cannot be solved using simple series…
Wire-by-Number project: simple voltage divider Description: Build a…
To overcome the challenge of creating necessary DC bias voltage for an…
Explain the operation of this “H-bridge” motor control circuit: At…
We can construct a simple logic functions for our hypothetical lamp…
In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
Knowing how to generate Gray code should allow us to build larger…
In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
If a pulse-width modulated (PWM) signal is sent to a passive…
In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
Complex numbers are useful for AC circuit analysis because they…
Label where each of the following electrical quantities would be found…
Contributors to this chapter are listed in chronological order of…
Research the FCC (Federal Communication Commission) guidelines on…
Constant rule Rule of sums Rule of differences Product rule Quotient…
After the introduction of the DC electrical distribution system by…
Circuits consisting of just one battery and one load resistance are…
A modern alternative to sending (binary) digital information via…
Design a passive circuit that will create a "split” ( V/-V) power…
Normally, the rotor windings of a wound rotor induction motor are…
Contributors to this chapter are listed in chronological order of…
To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Contributors to this chapter are listed in chronological order of…
Explain the difference between a balanced polyphase system and an…
What shape of voltage waveform would you expect to measure (using an…
The circuits in the figure below are known as clampers or DC…
In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.
Don’t just sit there! Build something!! Learning to mathematically…
A third variation on the counter-DAC-based converter theme is, in my…
Suppose you were installing a high-power stereo system in your car,…
As the name suggests, the tetrode tube contains four elements: cathode…
Don’t just sit there! Build something!! Learning to mathematically…
