This video goes through one of the most prominent issues with thermostat design, accounting for the…
Learn how design parameters impact system performance.
A very important measurement in many liquid chemical processes…
The bipolar junction transistor (BJT) was named because its operation…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
Differential Op-Amp Circuits An op-amp with no feedback is already a…
Just as devices have been made to measure certain physical quantities…
PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…
Brushless DC motors were developed from conventional brushed DC motors…
Centuries ago, it was discovered that certain types of mineral rock…
Most of us have experienced some form of electric “shock,”…
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…
If a strip of conductive metal is stretched, it will become skinnier…
By introducing electrical reactance into the feedback loops of an…
PARTS AND MATERIALS Two 6-volt batteries Two NPN…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Every meter impacts the circuit it is measuring to some extent, just…
It is very important to keep in mind that the “normal” contact…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
Seebeck Effect An interesting phenomenon applied in the field of…
The word battery simply means a group of similar components. In…
What do you think this logic buffer gate will do, with the output…
The SPICE circuit simulation program provides for modeling diodes in…
PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…
AC Motors Perhaps the most important benefit of polyphase AC power…
Research the FCC (Federal Communication Commission) guidelines on…
Suppose we wanted to build a device that could add two binary bits…
When connecting batteries together to form larger “banks”…
Every meter impacts the circuit it is measuring to some extent, just…
Remember that this tutorial is not exhaustive by any means, and that…
PARTS AND MATERIALS Operational amplifier, model 1458 or 353…
A third variation on the counter-DAC-based converter theme is, in my…
In many disciplines of science and engineering, very large and very…
Standing waves at the resonant frequency points of an open- or…
PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…
The variable reluctance motor is based on the principle that an…
What is the purpose of the switch shown in this schematic diagram?
Suppose we altered our basic open-collector inverter circuit, adding a…
A mathematician named DeMorgan developed a pair of important rules…
Of course, there is a danger of electrical shock when directly…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
If two coils of wire are brought into close proximity with each other…
The R/2R DAC circuit is an alternative to the binary-weighted-input…
In addition to performing tasks of amplification and switching, tubes…
Capacitors store energy in the form of an electric field, and…
What are Time-Delay Relays? Some relays are constructed with a kind of…
PARTS AND MATERIALS Operational amplifier, model TL082 recommended…
Contributors to this chapter are listed in chronological order of…
All About Contactors When a relay is used to switch a large amount of…
As versatile as electromechanical relays can be, they do suffer many…
A calculator for computing the gain and output voltage of an operational amplifier
A calculator designed to calculate the maximum current that a stripline can handle
Three-Phase Alternator Let’s take the three-phase alternator…
The expression of numerical quantities is something we tend to take…
Write an equation describing the precise mathematical relationship…
A formula for capacitance in picofarads using practical dimensions:
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
“AC” stands for Alternating Current, which can refer to either…
When the need arises to correct for poor power factor in an AC power…
What is the purpose of the switch shown in this schematic diagram?
