What should you know before solder?

On 2019-01-12 13:20:48  in Knownlege

What should you know before solder?

This article describes some konwnledge that you should know before solder. ...

Transformer and inverter

On 2018-12-05 11:07:52  in Knownlege

Transformer and inverter

​This article writes about the different roles of transformers and inverters. ...

What is the master-slave structure RS flip-flop and JK flip-flop circuit?

On 2019-08-08 11:19:18  in Knownlege

What is the master-slave structure RS flip-flop and JK flip-flop circuit?

This article describes the characteristics of the RS flip-flop and JK triggers. ...

How to repair the reset circuit?

On 2019-05-05 14:17:25  in Knownlege

How to repair the reset circuit?

This article describes the Repair method for reset circuit failure. ...

Common electric iron type and structure

On 2019-01-27 14:56:05  in Knownlege

Common electric iron type and structure

This article describes the common electric iron type and structure ...

How to layout components when design a printed circuit board?

On 2019-01-14 13:39:47  in Knownlege

How to layout components when design a printed circuit board?

This article describes the layout design of printed circuit boards ...

What is the principle of photoelectric conversion devices?

On 2018-12-08 10:40:53  in Knownlege

What is the principle of photoelectric conversion devices?

This article describes the principle of photoelectric conversion devices ...

What is the relationship between the circuit structure and the logic function of the trigger?

On 2019-10-22 09:54:26  in Knownlege

What is the relationship between the circuit structure and the logic function of the trigger?

This article describes the characteristics of the triggers. ...

What is the working principle of ISL6545 chip?

On 2019-04-25 10:59:37  in Knownlege

What is the working principle of ISL6545 chip?

This article analyze the working principle of ISL6545 chip ...

CPU power supply circuit fault maintenance method.

On 2019-04-09 11:23:30  in Knownlege

CPU power supply circuit fault maintenance method.

This article briefly introduces the CPU power supply circuit fault maintenance method. ...

What is the definition and classification of luminescence?

On 2019-01-15 15:05:43  in Knownlege

What is the definition and classification of luminescence?

This article describes the definition and classification of luminescence. ...

What is the different of combustion method and Sol-Gel method?

On 2019-01-15 11:44:22  in Knownlege

What is the different of combustion method and Sol-Gel method?

This article writes about the different of combustion method and Sol-Gel method. ...

How to synthesize phosphor?

On 2019-01-15 11:35:30  in Knownlege

How to synthesize phosphor?

This article briefly introduces three ways to synthesize phosphors ...

What is the welding process of printed circuit board?

On 2019-01-12 11:44:44  in Knownlege

What is the welding process of printed circuit board?

This article writes about the welding process of printed circuit board ...

What is a resistor?

On 2018-12-14 13:26:07  in Knownlege

What is a resistor?

This article describes what is a resistor ...

When do you need to add an I2C isolator at design time?

On 2019-07-02 15:41:18  in Knownlege

When do you need to add an I2C isolator at design time?

This article describes at design time when need to add an I2C isolator ...

What are the ways to use the digital multimeter's conductivity block?

On 2019-03-05 11:59:40  in Knownlege

What are the ways to use the digital multimeter's conductivity block?

This article briefly introduces the ways to use the digital multimeter's conductivity block ...

What is the insertion principle of plug-in electronic components?

On 2019-01-12 10:53:22  in Knownlege

What is the insertion principle of plug-in electronic components?

This article briefly introduces the nsertion principle of plug-in electronic components ...

How to design analog switches to switch audio signals?

On 2021-03-25 10:43:32  in Knownlege

How to design analog switches to switch audio signals?

This article describes the characteristics of the switch audio signals. ...

Maintenance method for memory power supply failure.

On 2019-04-24 11:52:22  in Knownlege

Maintenance method for memory power supply failure.

This article writes about the Maintenance method for memory power supply failure. ...

Overview of how the motherboard works.

On 2019-03-21 11:05:54  in Knownlege

Overview of how the motherboard works.

This article describes the overview of how the motherboard works ...

What are the methods for detecting transistors of a multimeter?

On 2019-02-22 13:55:39  in Knownlege

 What are the methods for detecting transistors of a multimeter?

This article describes some methods for detecting transistors of a multimeter ...

What are the characteristics and shape and measuring range of digital multimeter?

On 2019-02-15 13:59:23  in Knownlege

What are the characteristics and shape and measuring range of digital multimeter?

This article briefly introduces the characteristics and shape and measuring range of digital multimeter ...

How to choose the switch of the mechanical multimeter when measuring different parameters?

On 2019-01-27 14:57:27  in Knownlege

How to choose the switch of the mechanical multimeter when measuring different parameters?

This article describes how to choose the switch of the mechanical multimeter when measuring different parameters ...

Multi-turn potentiometer and single-turn potentiometer

On 2018-12-10 11:01:32  in Knownlege

Multi-turn potentiometer and single-turn potentiometer

​ This article briefly introduces multi-turn potentiometer and single-turn potentiometer ...

The operating principle of AMD single-bridge A55 chipset motherboard boot circuit.

On 2019-04-26 10:52:17  in Knownlege

The operating principle of AMD single-bridge A55 chipset motherboard boot circuit.

This article describes the operating principle of AMD single-bridge A55 chipset motherboard boot circuit. ...

CPU power supply circuit structure.

On 2019-04-18 14:46:42  in Knownlege

CPU power supply circuit structure.

This article describes the CPU power supply circuit structure. ...

The operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit.

On 2019-04-17 17:02:11  in Knownlege

The operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit.

This article describes the operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit. ...

How to select a pointer multimeter?

On 2019-02-12 16:42:48  in Knownlege

How to select a pointer multimeter?

This article describes the selection of pointer multimeter. ...

How to measure inductance using the universal bridge meter?

On 2019-01-27 15:10:38  in Knownlege

How to measure inductance using the universal bridge meter?

This article writes about the universal bridge meter measuring inductance ...

What is a triode and how to identify its pin?

On 2019-01-21 16:50:52  in Knownlege

What is a triode and how to identify its pin?

This article describes what is a triode and how to identify its pin ...

Thermal quenching Analysis of In2(MoO4)3:Eu3

On 2019-01-14 13:49:58  in Knownlege

Thermal quenching Analysis of In2(MoO4)3:Eu3

This article briefly introduces the thermal quenching Analysis of In2(MoO4)3:Eu3 ...

What are the common reason of fault of the electromagnet?

On 2019-01-08 14:24:09  in Knownlege

What are the common reason of fault of the electromagnet?

This article introduces the common reason of fault of the electromagnet. ...

Further Promotes the Growth of the Smart Cable Protection System

On 2018-12-29 11:53:50  in Knownlege

Further Promotes the Growth of the Smart Cable Protection System

This article describes the further promotes the growth of the smart cable protection system ...

What is a three-terminal integrated voltage regulator and how to classify?

On 2018-12-14 15:01:07  in Knownlege

What is a three-terminal integrated voltage regulator and how to classify?

This article describes the role of three-terminal integrated voltage regulator and how to classify ...

Type and function of time relay

On 2018-12-08 10:45:33  in Knownlege

Type and function of time relay

​ This article briefly introduces different type and function of time relay ...

How to choose an air switch

On 2018-12-06 13:34:28  in Knownlege

How to choose an air switch

​This article briefly introduces how to choose an air switch ...

Main cell phone sensor

On 2018-12-06 10:44:40  in Knownlege

Main cell phone sensor

This article describes the role of different mobile phone sensors. ...

Resistor classification

On 2018-12-04 11:51:37  in Knownlege

Resistor classification

​ This article describes the classification of resistors ...

The difference between resistance and impedance

On 2018-12-04 11:32:41  in Knownlege

The difference between resistance and impedance

This article describes the difference between resistance and impedance ...