Licky's Column

How to Select the Appropriate Positive Fixed Voltage Regulator IC ？

by Licky Li

How to Select the Appropriate Positive Fixed Voltage Regulator IC ？

The following are some key points for choosing the suitable Positive Fixed Voltage Regulator IC for yourself: Output voltage requirements: Clearly ...

Datasheet NPN transistors

by Licky Li

Datasheet NPN transistors

Some common NPN transistor types include: 2N3904: A widely used general-purpose NPN transistor. BC547: Popular in various electronic circuits. 2...

Simple power bank circuit and charger

by Licky Li

Simple power bank circuit and charger

Battery Section: Composed of one or more rechargeable battery cells, usually lithium-ion or lithium-polymer. These cells store the electrical en...

The circuit structure of the 140W Power Amplifier

by Licky Li

The circuit structure of the 140W Power Amplifier

A 140W Power Amplifier typically consists of several key components and circuits that work together to achieve its amplification function. The inp...

Positive and Negative Fixed Volatge Regulator ICs

by Licky Li

Positive and Negative Fixed Volatge Regulator ICs

In the complex world of electronics, Positive and Negative Fixed Voltage Regulator ICs play a vital and indispensable role. These integrated circui...

How electric cars save the planet ?

by Licky Li

How electric cars save the planet ?

In the face of growing environmental concerns and the imperative to reduce carbon emissions, electric cars have emerged as a crucial solution in th...

How does the NE555 Timer work?

by Licky Li

How does the NE555 Timer work?

The NE555 Timer operates based on a complex yet well-defined mechanism. At its core, it consists of several key components and circuits that intera...

RF Choke vs. Inductor

by Licky Li

RF Choke vs. Inductor

In the complex and diverse landscape of electronics, the terms RF choke and inductor are often encountered, each with its own distinct characterist...

Coils and electromagnetic induction

by Licky Li

Coils and electromagnetic induction

Coils and Electromagnetic Induction: A Deep Dive into Fundamental Principles and Applications In the realm of physics and electrical engineering, ...

How to Convert AC to DC using Diode, Transformer, Capacitor ?

by Licky Li

How to Convert AC to DC using Diode, Transformer, Capacitor ?

The transformer is first used to step up or down the AC voltage as needed. The AC voltage is then fed to the diode or a diode bridge. The diode(s)...

Rectify alternating current to direct current

by Licky Li

Rectify alternating current to direct current

Rectifying alternating current (AC) to direct current (DC) is a fundamental and critical process in the field of electrical engineering and power e...

Types of Motors

by Licky Li

Types of Motors

Motors play a crucial role in various industries and applications, and there are numerous types available, each with its unique characteristics and...