The jobs of electronics engineers and technicians frequently entail…
Ammeters Measure Electrical Current A meter designed to measure…
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.
Mercury Standard Cell Back in the early days of electrical measurement…
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.
What is the difference between DC and AC electricity? Identify some…
Though mechanical ohmmeter (resistance meter) designs are rarely used…
The Parallel Wires of Infinite Length Suppose, though, that we had a…
In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.
In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.
Don’t just sit there! Build something!! Learning to mathematically…
Using an electrical meter safely and efficiently is perhaps the most…
In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
∫f(x) dx Calculus alert! One of the fundamental principles of…
The bipolar junction transistor (BJT) was named because its operation…
Don’t just sit there! Build something!! Learning to mathematically…
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
What is the purpose of the switch shown in this schematic diagram?
Generators used in battery-charging systems must be regulated so as to…
The superposition theorem is one of those strokes of genius that takes…
Convert between Celsius, Fahrenheit and Kelvin
Don’t just sit there! Build something!! Learning to mathematically…
When lightning strikes, nearby magnetic compass needles may be seen to…
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What Is a Zener Diode? A Zener diode is a special type of rectifying…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.
In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
If a block of P-type semiconductor is placed in contact with a block…
This calculator determines the total path loss provided by an RF n-way power splitter.
Don’t just sit there! Build something!! Learning to mathematically…
What would happen to this meter movement, if connected directly to a…
Many electronic circuits use what is called a split or a dual power…
In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.
Electromechanical watt-hour meters use an aluminum disk that is spun…
An unbalanced Wheatstone bridge cannot be solved using simple series…
Identify some different ways you can create the sine-wave audio tracks…
Mercury Standard Cell Back in the early days of electrical measurement…
Shown here is the schematic symbol for a resistor: What is the purpose…
In any electrically conductive substance, what are charge carriers?…
In the common-emitter section of this chapter, we saw a SPICE analysis…
Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
Don’t just sit there! Build something!! Learning to mathematically…
Having learned about digital memory devices in the last chapter, we…
Just as devices have been made to measure certain physical quantities…
It is fairly important to use large value resistors (10 MΩ works…
Designing Wire Resistance Conductor ampacity rating is a crude…
Research and describe what the Hall effect is, and list some practical…
As a first example of useful combinational logic, let’s build a…
When lightning strikes, nearby magnetic compass needles may be seen to…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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.
Limitations of Electromechanical Relays As versatile as…
It has been found that any repeating, non-sinusoidal waveform can be…
A tool designed to compute the values to be used in a T-match Impedance Circuit
This calculator helps you compute the characteristic impedance of an embedded microstrip.
OK, so how exactly can we represent AC quantities of voltage or…
Since transformers are essentially AC devices, we need to be aware of…
