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What are Laser Diodes?12 March 2020
Laser diodes include single heterojunction (SH), double heterojunction (DH), and quantum well (QW) laser diodes. The quantum well laser diode has the advantages of low threshold current and high output power, which is the mainstream product in the market. Compared with optical maser, laser diodes have the advantages of high efficiency, small size, and long life, but their output power is small (generally less than 2mW), linearity and monochromaticity are poor, limiting their applications in cable television systems for not able to transmit multi-channel, high-performance analog signals. In the feedback module of the bidirectional optical receiver, the uplink transmission generally uses a quantum well laser diode as a light source.
How do Inductors Work?18 June 2020
Inductors are energy storage elements that convert electrical energy into magnetic energy for storage. It is similar to a transformer, but the inductor has only one winding. The structure of an inductor is generally composed of a skeleton, a winding, a shield, the packaging material, an iron core, and a magnetic core.
All You Need to Know About Rectifier Circuit24 April 2025
All You Need to Know About Rectifier Circuit
What is a Projector?14 October 2021
Hi, fellas. I am Rose. Welcome to the new post today. A projector is an electronic device that can display images or videos on a screen. Through various interfaces, it may be connected to PCs, VCDs, DVDs, BDs, gaming consoles, DVs, and other devices to play video signals. This article introduces the basis of projectors.
Types, Working, and Selection of DC Motor27 March 2025
A direct current motor (DC motor) is an electric motor that operates on direct current. The operation of an electric motor is based on basic electromagnetism. When a current-carrying conductor is put in an external magnetic field, it will feel a force that is equal to the current in the conductor and the frequency of the external magnetic field.
What is the Difference between an Integrated Circuit and a Chip08 September 2022
Hello everyone, I am Rose. Welcome to the new post today. Today I will introduce the difference between integrated circuit and chip to you.
Inductor Basics: Structure, Parameters, and Measurement03 June 2020
Inductors are components that can convert electrical energy into magnetic energy and store it. An inductor generally consists of a skeleton, a winding, a magnetic core, an iron core, a shielding case, and a package. Commonly used inductors are adjustable inductors and choke inductors. In the circuit, the inductor prevents the AC and allows DC to pass through.
What is FPC (Flexible Printed Circuit)?14 April 2021
Flexible Printed Circuit (FPC) is a highly reliable and excellent flexible printed circuit board made of polyimide or polyester film. It has the characteristics of high wiring density, lightweight, thin thickness, and good bendability.
What are the Testing Method and Types of Transistors?25 March 2020
A transistor is a semiconductor device that is commonly used in amplifiers or electronically controlled switches. It’s the basic building block that regulates the operation of computers, cell phones, and all other modern electronic circuits. Due to the fast response time and high accuracy, transistors can be used for a variety of digital and analog functions, including amplification, switching, voltage regulation, signal modulation, and oscillators.
How do Transistors Work?10 August 2020
A transistor is a kind of semiconductor device that controls current. Its function is to amplify the weak signal into an electrical signal with a larger amplitude value, and it is also used as a contactless switch.
Introduction to Servo System08 September 2021
Servo system is a product developed on the basis of frequency conversion technology. It is an automatic control system that takes a mechanical position or angle as the control object.
An Overview of Common Mode Chokes10 August 2020
Common mode chokes are often used in computer switching power supplies to filter common mode electromagnetic interference signals. This article helps you learn about the Features, Working Principle, Selection Method, Precautions, and Core Material of common mode chokes. Click for more.