Generators used in battery-charging systems must be regulated so as to…
All About Contactors When a relay is used to switch a large amount of…
Counting practice: count from zero to thirty-one in binary, octal, and…
A popular use of diodes is for the mitigation of inductive…
What does the normal status of an electrical switch refer to?…
Protective relays are special power-sensing devices whose job it is to…
Solid-state switching circuits usually keep their constituent…
The interlock contacts installed in the previous section’s motor…
Electromechanical relays used to start and stop high-power electric…
How is it possible to electrically measure the torque output by a…
Logic circuits, whether comprised of electromechanical relays or…
We’ve already seen one example of a monostable multivibrator in…
Don’t just sit there! Build something!! Learning to mathematically…
Limitations of Electromechanical Relays As versatile as…
A special type of relay is one that monitors the current, voltage,…
Complementary Output Gates It is sometimes desirable to have a logic…
Don’t just sit there! Build something!! Learning to mathematically…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Though it may seem strange to cover the elementary topic of electrical…
In ladder logic symbolism, an electromechanical relay coil is shown as…
After the introduction of the DC electrical distribution system by…
Don’t just sit there! Build something!! Learning to mathematically…
A tool designed to convert between units of torque
A three-phase motor may be run from a single-phase power source.…
As we saw in a few SPICE analyses earlier in this chapter, the output…
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.
The structure behind ladder logic is based on the electrical ladder…
Charles Proteus Steinmetz’s first job after arriving in America…
A bistable multivibrator has two stable states, as indicated by the…
Transformers with Multiple Secondaries Transformers are very versatile…
Bipolar junction transistors (Also known as BJTs) can be used as an…
Pulse Width Modulation (PWM) uses digital signals to control power…
Just as devices have been made to measure certain physical quantities…
Most ohmmeters of the design shown in the previous section utilize a…
Protective relays are special power-sensing devices whose job it is to…
So far, we’ve observed simulations of transformers where the…
We can construct a simple logic functions for our hypothetical lamp…
What does it mean, in general terms, to encode something? Conversely,…
Ladder diagrams are specialized schematics commonly used to document…
Thyristors are a class of semiconductor components exhibiting…
Previously, we examined series circuits and parallel circuits using…
A transistor is a semiconductor device that controls current with the…
OK, so how exactly can we represent AC quantities of voltage or…
RELATED WORKSHEETS: Calculus for Electric Circuits…
In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.
Explain the operation of this “H-bridge” motor control circuit: At…
The SPICE circuit simulation computer program uses scientific notation…
In very simple, qualitative terms, rate the impedance of capacitors…
What, exactly, is an arbitrary waveform generator, and for what…
Generally speaking, how many “time constants” worth of time does…
Remember that this tutorial is not exhaustive by any means, and that…
Don’t just sit there! Build something!! Learning to mathematically…
Research the FCC (Federal Communication Commission) guidelines on…
A Logic Gate is assigned as an elementary building block of…
For reference, this section introduces the terminology used in some…
Since the enable input on a gated S-R latch provides a way to latch…
Given two lengths of metal wire, which one will have the least…
A calculator designed to calculate the maximum current that a stripline can handle
A calculator for solving the capacitance, reactance, and admittance of a capacitor.
Feedback is a fascinating engineering principle. It can turn a rather…
