Limitations of Electromechanical Relays As versatile as…
What does the normal status of an electrical switch refer to?…
A three-phase motor may be run from a single-phase power source.…
Protective relays are special power-sensing devices whose job it is to…
All About Diodes A diode is an electrical device allowing current to…
The interlock contacts installed in the previous section’s motor…
Transformers with Multiple Secondaries Transformers are very versatile…
Don’t just sit there! Build something!! Learning to mathematically…
It is very important to keep in mind that the “normal”…
As we saw with DC measurement circuits, the circuit configuration…
Most students of electricity begin their study with what is known as…
Complementary Output Gates It is sometimes desirable to have a logic…
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Charles Proteus Steinmetz’s first job after arriving in America…
Any kind of switch contact can be designed so that the contacts…
Bipolar junction transistors (Also known as BJTs) can be used as an…
We can construct a simple logic functions for our hypothetical lamp…
Most AC motors are induction motors. Induction motors are favored due…
The Q factor of a series inductive circuit is given by the following…
If we take the equivalent circuit of an SCR and add another external…
Protective relays are special power-sensing devices whose job it is to…
The armature windings of your DC motor will have very low resistance.…
Power in an electric circuit is the product (multiplication) of…
When someone mentions the word “computer,” a digital…
It used to be with large AC power systems that “power…
Many electronic circuits use what is called a split or a dual power…
To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.
All About Diodes A diode is an electrical device allowing current to…
Don’t just sit there! Build something!! Learning to mathematically…
Once again, when building battery/resistor circuits, the student or…
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.
Define the following acronyms as they apply to digital logic circuits:…
Also called the parallel A/D converter, this circuit is the simplest…
A permanent magnet is a device that retains a magnetic field without…
Euler’s Number Euler’s constant is an important value for…
Explain the operation of this “H-bridge” motor control circuit: At…
The wires between the tank and the monitoring location is called…
This calculator computes the inductance of a microstrip etched on a PCB.
Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…
Two relatively recent technologies designed to reduce the…
A circuit which removes the peak of a waveform is known as a clipper.…
Don’t just sit there! Build something!! Learning to mathematically…
While the binary numeration system is an interesting mathematical…
When connecting batteries together to form larger “banks”…
Determine the output voltage polarity of this op-amp (with reference…
A mathematician named DeMorgan developed a pair of important rules…
If we add a voltage divider to the negative feedback wiring so that…
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.
Pulse Width Modulation (PWM) uses digital signals to control power…
NAND and NOR gates possess a special property: they are universal.…
A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.
RELATED WORKSHEETS: Calculus for Electric Circuits…
Current Components in a series circuit share the same current: Itotal…
Wiring for AC and DC power distribution branch circuits are color…
One of the more advanced ADC technologies is the so-called…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
How to Create Band-pass Filter There are applications where a…
The Rules of Binary Addition Adding binary numbers is a very simple…
