Month: April 2021
Autotransformer
The primary and secondary windings of an Autotransformer are linked together both electrically and magnetically reducing the cost over conventional…
Multiple Winding Transformers
Multiple Winding Transformers can have two or more primary or secondary winding allowing for different combinations of voltages and currents….
Transformer
Transformers are electrical devices consisting of two or more coils of wire used to transfer electrical energy by means of…
Resistance of a Coil
All coils, inductors, chokes and transformers create a magnetic field around themselves consist of an Inductance in series with a…
Inductive Reactance
Inductive Reactance of a coil depends on the frequency of the applied voltage as reactance is directly proportional to frequency….
Inductance of a Coil
Inductance is the name given to the property of a component that opposes the change of current flowing through it…
Mutual Inductance
Mutual Inductance is the interaction of one coils magnetic field on another coil as it induces a voltage in the…
Inductors in Parallel
Inductors are said to be connected together in Parallel when both of their terminals are respectively connected to each terminal…
Inductors in Series
Inductors can be connected together in a series connection when the are daisy chained together sharing a common electrical current….
Inductor
An Inductor is a passive electrical component consisting of a coil of wire which is designed to take advantage of…
Diode Limiter
The Diode Clipper, also known as a Diode Limiter, is a wave shaping circuit that takes an input waveform and…
LED
Light Emitting Diodes or simply LED´s, are among the most widely used of all the different types of semiconductor diodes…
Zener Diode
A Semiconductor Diode blocks current in the reverse direction, but will suffer from premature breakdown or damage if the reverse…
Full Wave Rectifier
Power Diodes can be connected together to form a full wave rectifier that convert AC voltage into pulsating DC voltage…
Make a LED blink using Arduino
EDs (Light-emitting diode) can be found in many colors and sizes. This example shows the simplest thing you can do with…
Arduino controlled RGB LED
An RGB LED has 4 pins, one for each color (Red, Green, Blue) and a common cathode. It has three…
Power Diodes and Rectifiers
Power Diodes are semiconductor pn-junctions capable of passing large currents at high voltage values for use in rectifier circuits. In…
Schottky Diode
A Schottky Diode is a metal-semiconductor diode with a low forward voltage drop and a very fast switching speed. The…
Signal Diode
Signal Diodes are small two-terminal which conducts current when forward biased and blocks current flow when reverse biased. The semiconductor…
Speaker Short Circuit Protection Circuits
The amplifier features delay, dc protection, and temperature monitoring across the speaker protection circuits. Since the application of short circuit…
PN Junction Diode
A PN-junction diode is formed when a p-type semiconductor is fused to an n-type semiconductor creating a potential barrier voltage…
PN Junction
A PN-junction is formed when an N-type material is fused together with a P-type material creating a semiconductor diode. In…
Semiconductor
If resistors are the most basic passive component in electrical or electronic circuits, then we have to consider the Signal…
Varistor
The Varistor is a passive two-terminal solid state semiconductor device that is used to provide protection to electrical and electronic…
Resistivity
Resistivity of materials is the resistance to the flow of an electric current with some materials resisting the current flow…
Darlington Transistors
The Darlington Transistor configuration of two bipolar transistors offers increased current switching for a given base current. The Darlington Transistor…
Push-button bathroom fan switch
Push-button bathroom fan switch design supports timed operation. This design switches a 120VAC load, and includes several much-needed details on…
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