In our study of AC circuits thus far, we’ve explored circuits…
How to Create a Band-stop Filter? Also called band-elimination,…
This calculator computes the power received by an antenna using Friis formula
Normally, the rotor windings of a wound rotor induction motor are…
A modern alternative to sending (binary) digital information via…
This calculator determines the wavelength of a signal given the frequency and dielectric constant.
How to Create Band-pass Filter There are applications where a…
When an alternator produces AC voltage, the voltage switches polarity…
It is sometimes said regarding electrical safety that, Ït’s not the…
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Real operational amplifiers have some imperfections compared to an…
Buses and networks are designed to allow communication to occur…
There’s a sure way to calculate any of the values in a reactive…
Quantum physics describes the states of electrons in an atom according…
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
This is a schematic for a simple VCO: The oscillator is of the RC…
A principal consideration for industrial control networks, where the…
This calculator computes the inductance of a microstrip etched on a PCB.
An important electrical quantity with no equivalent in DC circuits is…
Up to now, every circuit that was presented was a combinatorial…
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.
Determine if the light bulb will de-energize for each of the following…
How to Create a Band-stop Filter? Also called band-elimination,…
Contributors to this chapter are listed in chronological order of…
Centuries ago, it was discovered that certain types of mineral rock…
In this introduction to series resistance circuits, we will explain…
At first it may seem pointless to have the four buffer gates following…
A special type of relay is one that monitors the current, voltage,…
So far, we’ve been analyzing single-battery, single-resistor…
Because capacitors store energy in the form of an electric field, they…
Ohm’s Law also makes intuitive sense if you apply it to the…
Real operational amplifiers have some imperfections compared to an…
One of the more fascinating applications of electricity is in the…
So far, we’ve studied both S-R and D latch circuits with enable…
There are not too many circuit symbols for bipolar transistors. There…
The atoms in insulating materials have very tightly-bound electrons,…
Passive Devices Components incapable of controlling current by means…
TTL Circuit Analysis Let’s examine the following TTL circuit and…
Because binary numeration requires so many bits to represent…
Decibel as Absolute Unit of Power It is also possible to use the…
Series and Parallel Resistances Series and Parallel…
Don’t just sit there! Build something!! Learning to mathematically…
Though mechanical ohmmeter (resistance meter) designs are rarely used…
A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.
A calculator for computing the gain and output voltage of an operational amplifier
A voltage multiplier is a specialized rectifier circuit producing…
Research and describe what the Hall effect is, and list some practical…
When connecting batteries together to form larger “banks”…
As was previously mentioned, we need more than just a continuous path…
Any kind of switch contact can be designed so that the contacts…
This calculator helps you compute the characteristic impedance of a symmetric stripline.
Stepper Motor vs Servo Motor A stepper motor is a…
As we saw in a few SPICE analyses earlier in this chapter, the output…
Inductors do not have a stable “resistance” as conductors…
There are four basic factors of inductor construction determining the…
The Use of Logic Gate Inverters and buffers exhaust the possibilities…
Input impedance varies considerably with the circuit configuration…
Synchronous motors load the power line with a leading power factor.…
A bistable multivibrator has two stable states, as indicated by the…
Identify each of these logic gates by name, and complete their…
