In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
A helpful analogy for understanding divided feedback amplifier…
There are not too many circuit symbols for bipolar transistors. There…
Because the relationship between voltage, current, and resistance in…
The singular reason for learning and using the binary numeration…
Cathode: This is the electrode that is heated and emits the…
The principle of non-sinusoidal, repeating waveforms being equivalent…
This calculator computes the inductance of a wire coil.
As an example of using several circuits together, we are going to make…
The bipolar junction transistor (BJT) was named because its operation…
We’ve already seen one example of a monostable multivibrator in…
A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line
This chapter will cover the physics behind the operation of…
A calculator designed to calculate the trace width of a stripline based on the maximum current rating
Brushless DC motors were developed from conventional brushed DC motors…
Introduction Whenever an electric voltage exists between two separated…
A rheostat (variable resistor) and a switch are both examples of…
RELATED WORKSHEETS: Calculus for Electric Circuits…
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
The node voltage method of DC network analysis solves for unknown…
Seeing as how a common meter movement can be made to function as a…
Another variation on a theme of bistable multivibrators is the J-K…
Periodic table of chemical elements.
Often in the course of designing and building electrical meter…
Suppose you were installing a high-power stereo system in your car,…
You may have wondered where we got that strange equation for the…
A tool designed to calculate the noise figure of cascaded amplifiers
In designing digital circuits, the designer often begins with a truth…
The field effect transistor was proposed by Julius Lilienfeld in US…
Shown here is the schematic symbol for a resistor: What is the purpose…
This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.
The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
Two relatively recent technologies designed to reduce the…
Just as devices have been made to measure certain physical quantities…
Inductors have the exact opposite characteristics of capacitors.…
This chapter explores the response of capacitors and inductors to…
Using the same value components in our series example circuit, we will…
(Template)
In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
