Home > Blog

Blog

Categories

Contact Us

Tel: +8618822802390
E-mail: admin@gvda-instrument.com
WhatsApp: 8618822802390
Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen

01

Nov

2025

A Detailed Guide to Switching Power Supply Maintenance: Methods and Tips

A Detailed Guide to Switching Power Supply Maintenance: Methods and Tips Switching power supplies, which save materials, electricity, and high efficiency, have basically replaced t
31

Oct

2025

Basic Composition of High-Power Switching Power Supplies

Basic Composition of High-Power Switching Power Supplies 1. AC power input is rectified and filtered into DC; 2. By using high-frequency PWM (pulse width modulation) signals to con
31

Oct

2025

Types and Distinguishing Methods of Switching Power Supplies

Types and Distinguishing Methods of Switching Power Supplies With the development of power electronics technology, the relationship between power electronic equipment and people
31

Oct

2025

Fundamental Concepts of Switching Power Supplies

Fundamental Concepts of Switching Power Supplies With the development of power electronics technology, the relationship between power electronic equipment and people's work and
31

Oct

2025

Standard Testing Methods for Switching Power Supply Transformers

Standard Testing Methods for Switching Power Supply Transformers 1. Check for any obvious abnormalities by observing the appearance of the transformer. Whether the coil leads are b
31

Oct

2025

Radiation Test of Switching Power Supplies in the Range of 30 MHz to 1000 MHz

Radiation Test of Switching Power Supplies in the Range of 30 MHz to 1000 MHz When the EUT is placed on the test turntable, the radiation center of the equipment should be as close
31

Oct

2025

Electromagnetic Compatibility (EMC) Test Technology for Switching Power Supplies

Electromagnetic Compatibility (EMC) Test Technology for Switching Power Supplies Divide the equipment into two groups: one group refers to all industrial, scientific, and medical e
31

Oct

2025

How to Measure the Power Loss of Switching Power Supplies with an Oscilloscope

How to Measure the Power Loss of Switching Power Supplies with an Oscilloscope With the increasing demand for switch mode power supplies in many industries, measuring and analyzing
31

Oct

2025

The Impact of Cooling Methods on the Operating Temperature of Switching Power...

The Impact of Cooling Methods on the Operating Temperature of Switching Power Supplies The heat dissipation of switch mode power supplies generally adopts two methods: direct condu
31

Oct

2025

EMI Generation & Suppression in Switching Power Supplies

EMI Generation & Suppression in Switching Power Supplies The prominent drawback of switch mode power supplies is the ability to generate strong electromagnetic interference (EM
31

Oct

2025

Electronic Load Testing and Working Principle of Switching Power Supplies

Electronic Load Testing and Working Principle of Switching Power Supplies 1, The entire process of the main circuit from AC grid input to DC output, including: 1. Input filter: Its
30

Oct

2025

How to Measure Power Loss of Switching Power Supplies with a Digital Oscillos...

How to Measure Power Loss of Switching Power Supplies with a Digital Oscilloscope With the increasing demand for switch mode power supplies in many industries, measuring and analyz
30

Oct

2025

What Precautions Should Be Taken When Selecting a Switching Power Supply?

What Precautions Should Be Taken When Selecting a Switching Power Supply? In order to extend the lifespan of switch mode power supplies, it is recommended to choose models with an
30

Oct

2025

Generation Mechanisms and Suppression Technologies of Electromagnetic Interfe...

Generation Mechanisms and Suppression Technologies of Electromagnetic Interference in Switching Power Supplies Suppression of Electromagnetic Interference in Switching Power Supply
30

Oct

2025

Testing Methods for Switching Power Supply Transformers

Testing Methods for Switching Power Supply Transformers 1. Check for any obvious abnormalities by observing the appearance of the transformer. Whether the coil leads are broken, de
30

Oct

2025

Principles and Characteristics of Protection Circuits in Switching Power Supp...

Principles and Characteristics of Protection Circuits in Switching Power Supplies With the development of science and technology, the relationship between power electronic equipmen
30

Oct

2025

Practical Methods for Fault Detection in Switching Power Supplies

Practical Methods for Fault Detection in Switching Power Supplies Firstly, observe whether the power fuse is damaged. If the fuse is damaged, it cannot be replaced urgently. It is
30

Oct

2025

The First Coupling Mode: Conducted Interference Coupling

The First Coupling Mode: Conducted Interference Coupling There are two ways of interference coupling in switch mode power supplies: conduction coupling and radiation coupling. Cond
30

Oct

2025

Practical Impacts of Switching Power Supplies on Operational Amplifiers

Practical Impacts of Switching Power Supplies on Operational Amplifiers Before entering the ADC chip, analog signals generally require signal conditioning using operational amplifi
30

Oct

2025

Elaboration on External Interference of Switching Power Supplies

Elaboration on External Interference of Switching Power Supplies External interference in switch mode power supplies can exist in a "common mode" or "differential mo

First 164 165 166 167 168 169 170 Last 167/1486