This video goes through one of the most prominent issues with thermostat design, accounting for the…
Learn how design parameters impact system performance.
It is very important to keep in mind that the “normal”…
Just as devices have been made to measure certain physical quantities…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
Seebeck Effect An interesting phenomenon applied in the field of…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
Most of us have experienced some form of electric “shock,”…
If a strip of conductive metal is stretched, it will become skinnier…
Centuries ago, it was discovered that certain types of mineral rock…
By introducing electrical reactance into the feedback loops of an…
Every meter impacts the circuit it is measuring to some extent, just…
Brushless DC motors were developed from conventional brushed DC motors…
PARTS AND MATERIALS Two 6-volt batteries Two NPN…
Differential Op-Amp Circuits An op-amp with no feedback is already a…
A very important measurement in many liquid chemical processes…
PARTS AND MATERIALS High-quality “closed-cup” audio…
Having learned about digital memory devices in the last chapter, we…
For ease of drawing complex circuit diagrams, electronic amplifiers…
PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
As we saw earlier, a power system with no secure connection to earth…
It is sometimes useful in logic circuits to have a multivibrator which…
Don’t just sit there! Build something!! Learning to mathematically…
The Parallel Wires of Infinite Length Suppose, though, that we had a…
Don’t just sit there! Build something!! Learning to mathematically…
Because of their insulated gates, IGFETs of all types have extremely…
All entries arranged in alphabetical order of surname. Major…
There are not too many circuit symbols for bipolar transistors. There…
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
If the burden of two systems of measurement for common quantities…
An inductor is a passive two-terminal electrical component that…
A modern alternative to sending (binary) digital information via…
What is Norton’s Theorem? Norton’s Theorem states that it…
Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Identify which direction each potentiometer wiper must move in this…
If we add a voltage divider to the negative feedback wiring so that…
Inductors have the exact opposite characteristics of capacitors.…
With this lesson, I hope to avoid a common mistake found in…
PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…
Let’s take the same components for our series example circuit…
All About Diodes A diode is an electrical device allowing current to…
Let’s count from zero to twenty using four different kinds of…
While the C-B (common-base) amplifier is known for wider bandwidth…
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
As we’ve already learned, electricity requires a complete path…
Determine the output voltage polarity of this op-amp (with reference…
Don’t just sit there! Build something!! Learning to mathematically…
Mercury Standard Cell Back in the early days of electrical measurement…
Don’t just sit there! Build something!! Learning to mathematically…
AC Motors Perhaps the most important benefit of polyphase AC power…
Arithmetic Sequences An arithmetic sequence is a series of numbers…
Parts and Materials Multimeter, digital or analog Assorted resistors…
SCRs are unidirectional (one-way) current devices, making them useful…
The field effect transistor was proposed by Julius Lilienfeld in US…
Don’t just sit there! Build something!! Learning to mathematically…
A calculator for computing the inductance of a coaxial cable.
Many electronic circuits use what is called a split or a dual power…
